diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb18701a99..515c48895e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,6 +92,12 @@ endif(WIN32)
 
 option(WITH_EXAMPLES "Whether to build examples" ON)
 
+option(WITH_METRICS_PREVIEW "Whether to build metrics preview" OFF)
+
+if(WITH_METRICS_PREVIEW)
+  add_definitions(-DENABLE_METRICS_PREVIEW)
+endif()
+
 find_package(Threads)
 
 function(install_windows_deps)
diff --git a/api/include/opentelemetry/metrics/async_instruments.h b/api/include/opentelemetry/metrics/async_instruments.h
index 24eab3467e..430618157c 100644
--- a/api/include/opentelemetry/metrics/async_instruments.h
+++ b/api/include/opentelemetry/metrics/async_instruments.h
@@ -1,7 +1,8 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "instrument.h"
-#include "observer_result.h"
+#  include "instrument.h"
+#  include "observer_result.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -81,3 +82,4 @@ class UpDownSumObserver : virtual public AsynchronousInstrument<T>
 
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/instrument.h b/api/include/opentelemetry/metrics/instrument.h
index 5d1c07a5d5..c763c61085 100644
--- a/api/include/opentelemetry/metrics/instrument.h
+++ b/api/include/opentelemetry/metrics/instrument.h
@@ -1,10 +1,11 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <iostream>
-#include "opentelemetry/common/attribute_value.h"
-#include "opentelemetry/common/key_value_iterable_view.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/nostd/string_view.h"
+#  include <iostream>
+#  include "opentelemetry/common/attribute_value.h"
+#  include "opentelemetry/common/key_value_iterable_view.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/nostd/string_view.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -202,3 +203,4 @@ class AsynchronousInstrument : virtual public Instrument
 
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/meter.h b/api/include/opentelemetry/metrics/meter.h
index 3d8c2e037d..c4f812ee6c 100644
--- a/api/include/opentelemetry/metrics/meter.h
+++ b/api/include/opentelemetry/metrics/meter.h
@@ -1,12 +1,13 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/metrics/async_instruments.h"
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/metrics/sync_instruments.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/nostd/span.h"
-#include "opentelemetry/nostd/string_view.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/metrics/async_instruments.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/metrics/sync_instruments.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/nostd/span.h"
+#  include "opentelemetry/nostd/string_view.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -281,3 +282,4 @@ class Meter
 };
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/meter_provider.h b/api/include/opentelemetry/metrics/meter_provider.h
index aa57715632..eb1c5084c9 100644
--- a/api/include/opentelemetry/metrics/meter_provider.h
+++ b/api/include/opentelemetry/metrics/meter_provider.h
@@ -1,8 +1,9 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/metrics/meter.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/nostd/string_view.h"
+#  include "opentelemetry/metrics/meter.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/nostd/string_view.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -25,3 +26,4 @@ class MeterProvider
 };
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/noop.h b/api/include/opentelemetry/metrics/noop.h
index 552e125dd0..51322c1504 100644
--- a/api/include/opentelemetry/metrics/noop.h
+++ b/api/include/opentelemetry/metrics/noop.h
@@ -1,19 +1,20 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 // Please refer to provider.h for documentation on how to obtain a Meter object.
 //
 // This file is part of the internal implementation of OpenTelemetry. Nothing in this file should be
 // used directly. Please refer to meter.h for documentation on these interfaces.
 
-#include "opentelemetry/metrics/async_instruments.h"
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/metrics/meter.h"
-#include "opentelemetry/metrics/meter_provider.h"
-#include "opentelemetry/metrics/sync_instruments.h"
-#include "opentelemetry/nostd/string_view.h"
-#include "opentelemetry/nostd/unique_ptr.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/metrics/async_instruments.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/metrics/meter.h"
+#  include "opentelemetry/metrics/meter_provider.h"
+#  include "opentelemetry/metrics/sync_instruments.h"
+#  include "opentelemetry/nostd/string_view.h"
+#  include "opentelemetry/nostd/unique_ptr.h"
+#  include "opentelemetry/version.h"
 
-#include <memory>
+#  include <memory>
 
 // TODO: Create generic short pattern for opentelemetry::common and opentelemetry::trace and others
 // as necessary
@@ -647,3 +648,4 @@ class NoopMeterProvider final : public opentelemetry::metrics::MeterProvider
 };
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/observer_result.h b/api/include/opentelemetry/metrics/observer_result.h
index c7733c75e4..5f804f9265 100644
--- a/api/include/opentelemetry/metrics/observer_result.h
+++ b/api/include/opentelemetry/metrics/observer_result.h
@@ -1,7 +1,8 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "instrument.h"
-#include "opentelemetry/nostd/shared_ptr.h"
+#  include "instrument.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -34,3 +35,4 @@ class ObserverResult
 
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/provider.h b/api/include/opentelemetry/metrics/provider.h
index 88b97fdf5f..eee1ba6405 100644
--- a/api/include/opentelemetry/metrics/provider.h
+++ b/api/include/opentelemetry/metrics/provider.h
@@ -1,11 +1,11 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <mutex>
 
-#include <mutex>
-
-#include "opentelemetry/common/spin_lock_mutex.h"
-#include "opentelemetry/metrics/meter_provider.h"
-#include "opentelemetry/metrics/noop.h"
-#include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/common/spin_lock_mutex.h"
+#  include "opentelemetry/metrics/meter_provider.h"
+#  include "opentelemetry/metrics/noop.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -53,3 +53,4 @@ class Provider
 
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/include/opentelemetry/metrics/sync_instruments.h b/api/include/opentelemetry/metrics/sync_instruments.h
index c5ab128074..05bc16a862 100644
--- a/api/include/opentelemetry/metrics/sync_instruments.h
+++ b/api/include/opentelemetry/metrics/sync_instruments.h
@@ -1,6 +1,7 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "instrument.h"
+#  include "instrument.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -174,3 +175,4 @@ class ValueRecorder : virtual public SynchronousInstrument<T>
 
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/test/CMakeLists.txt b/api/test/CMakeLists.txt
index eaf09e44e0..63f9369a1a 100644
--- a/api/test/CMakeLists.txt
+++ b/api/test/CMakeLists.txt
@@ -3,7 +3,9 @@ add_subdirectory(context)
 add_subdirectory(plugin)
 add_subdirectory(nostd)
 add_subdirectory(trace)
-add_subdirectory(metrics)
+if(WITH_METRICS_PREVIEW)
+  add_subdirectory(metrics)
+endif()
 add_subdirectory(logs)
 add_subdirectory(common)
 add_subdirectory(baggage)
diff --git a/api/test/metrics/meter_provider_test.cc b/api/test/metrics/meter_provider_test.cc
index 252cead516..3ecc7e2c7c 100644
--- a/api/test/metrics/meter_provider_test.cc
+++ b/api/test/metrics/meter_provider_test.cc
@@ -1,7 +1,7 @@
-#include "opentelemetry/metrics/provider.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-
-#include <gtest/gtest.h>
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include "opentelemetry/metrics/provider.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
 
 using opentelemetry::metrics::Meter;
 using opentelemetry::metrics::MeterProvider;
@@ -39,3 +39,4 @@ TEST(Provider, MultipleMeterProviders)
 
   ASSERT_NE(Provider::GetMeterProvider(), tf);
 }
+#endif
diff --git a/api/test/metrics/noop_instrument_test.cc b/api/test/metrics/noop_instrument_test.cc
index c6bb8c7b81..b29ea05de8 100644
--- a/api/test/metrics/noop_instrument_test.cc
+++ b/api/test/metrics/noop_instrument_test.cc
@@ -1,8 +1,10 @@
-#include <gtest/gtest.h>
-#include <cstring>
-#include <map>
-#include <string>
-#include "opentelemetry/metrics/noop.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <cstring>
+#  include <map>
+#  include <string>
+
+#  include "opentelemetry/metrics/noop.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace metrics
@@ -183,3 +185,4 @@ TEST(ValueRecorder, Record)
 
 }  // namespace metrics
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/api/test/metrics/noop_metrics_test.cc b/api/test/metrics/noop_metrics_test.cc
index 8e43f78180..fc740cf282 100644
--- a/api/test/metrics/noop_metrics_test.cc
+++ b/api/test/metrics/noop_metrics_test.cc
@@ -1,11 +1,12 @@
-#include <gtest/gtest.h>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/metrics/noop.h"
-#include "opentelemetry/metrics/observer_result.h"
-#include "opentelemetry/metrics/sync_instruments.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/metrics/noop.h"
+#  include "opentelemetry/metrics/observer_result.h"
+#  include "opentelemetry/metrics/sync_instruments.h"
 
-#include <array>
-#include <memory>
+#  include <array>
+#  include <memory>
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 
@@ -76,3 +77,4 @@ TEST(NoopMeter, RecordBatch)
   m->RecordDoubleBatch(labelkv, dsp, dval);
 }
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/ci/do_ci.sh b/ci/do_ci.sh
index 04dadac177..ba19f94269 100755
--- a/ci/do_ci.sh
+++ b/ci/do_ci.sh
@@ -32,6 +32,7 @@ if [[ "$1" == "cmake.test" ]]; then
         -DWITH_PROMETHEUS=ON \
         -DWITH_ZIPKIN=ON \
         -DWITH_ELASTICSEARCH=ON \
+        -DWITH_METRICS_PREVIEW=ON \
         -DCMAKE_CXX_FLAGS="-Werror" \
         "${SRC_DIR}"
   make
@@ -107,7 +108,7 @@ EOF
   examples/plugin/load/load_plugin_example ${PLUGIN_DIR}/libexample_plugin.so /dev/null
   exit 0
 elif [[ "$1" == "bazel.test" ]]; then
-  bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS //...
+  bazel $BAZEL_STARTUP_OPTIONS build --copt=-DENABLE_METRICS_PREVIEW $BAZEL_OPTIONS //...
   bazel $BAZEL_STARTUP_OPTIONS test $BAZEL_TEST_OPTIONS //...
   exit 0
 elif [[ "$1" == "bazel.legacy.test" ]]; then
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 56dc51b2d6..e0689f9a78 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -7,7 +7,9 @@ endif()
 add_subdirectory(plugin)
 add_subdirectory(simple)
 add_subdirectory(batch)
-add_subdirectory(metrics_simple)
+if(WITH_METRICS_PREVIEW)
+  add_subdirectory(metrics_simple)
+endif()
 add_subdirectory(multithreaded)
 add_subdirectory(multi_processor)
 add_subdirectory(http)
diff --git a/examples/metrics_simple/main.cc b/examples/metrics_simple/main.cc
index ca8bb2bda3..57fe7390bc 100644
--- a/examples/metrics_simple/main.cc
+++ b/examples/metrics_simple/main.cc
@@ -1,9 +1,10 @@
-#include "opentelemetry/exporters/ostream/metrics_exporter.h"
-#include "opentelemetry/metrics/provider.h"
-#include "opentelemetry/sdk/metrics/controller.h"
-#include "opentelemetry/sdk/metrics/meter.h"
-#include "opentelemetry/sdk/metrics/meter_provider.h"
-#include "opentelemetry/sdk/metrics/ungrouped_processor.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/exporters/ostream/metrics_exporter.h"
+#  include "opentelemetry/metrics/provider.h"
+#  include "opentelemetry/sdk/metrics/controller.h"
+#  include "opentelemetry/sdk/metrics/meter.h"
+#  include "opentelemetry/sdk/metrics/meter_provider.h"
+#  include "opentelemetry/sdk/metrics/ungrouped_processor.h"
 
 namespace sdkmetrics = opentelemetry::sdk::metrics;
 namespace nostd      = opentelemetry::nostd;
@@ -105,3 +106,9 @@ int main()
   }
   ControllerStateful.stop();
 }
+#else
+int main()
+{
+  // empty
+}
+#endif
diff --git a/exporters/CMakeLists.txt b/exporters/CMakeLists.txt
index 4ab469b7c2..f48b3bedb7 100644
--- a/exporters/CMakeLists.txt
+++ b/exporters/CMakeLists.txt
@@ -19,7 +19,7 @@ endif()
 add_subdirectory(ostream)
 add_subdirectory(memory)
 
-if(WITH_PROMETHEUS)
+if(WITH_PROMETHEUS AND WITH_METRICS_PREVIEW)
   add_subdirectory(prometheus)
 endif()
 
diff --git a/exporters/ostream/CMakeLists.txt b/exporters/ostream/CMakeLists.txt
index b9797b2974..9fff15d288 100644
--- a/exporters/ostream/CMakeLists.txt
+++ b/exporters/ostream/CMakeLists.txt
@@ -1,13 +1,9 @@
 add_library(opentelemetry_exporter_ostream_logs src/log_exporter.cc)
-add_library(opentelemetry_exporter_ostream_metrics src/metrics_exporter.cc)
 add_library(opentelemetry_exporter_ostream_span src/span_exporter.cc)
 
 set_target_properties(opentelemetry_exporter_ostream_logs
                       PROPERTIES EXPORT_NAME ostream_log_exporter)
 
-set_target_properties(opentelemetry_exporter_ostream_metrics
-                      PROPERTIES EXPORT_NAME ostream_metrics_exporter)
-
 set_target_properties(opentelemetry_exporter_ostream_span
                       PROPERTIES EXPORT_NAME ostream_span_exporter)
 
@@ -15,10 +11,6 @@ target_include_directories(
   opentelemetry_exporter_ostream_logs
   PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
 
-target_include_directories(
-  opentelemetry_exporter_ostream_metrics
-  PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
-
 target_include_directories(
   opentelemetry_exporter_ostream_span
   PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
@@ -26,15 +18,11 @@ target_include_directories(
 target_link_libraries(opentelemetry_exporter_ostream_logs
                       PUBLIC opentelemetry_logs)
 
-target_link_libraries(opentelemetry_exporter_ostream_metrics
-                      PUBLIC opentelemetry_metrics)
-
 target_link_libraries(opentelemetry_exporter_ostream_span
                       PUBLIC opentelemetry_trace)
 
 install(
   TARGETS opentelemetry_exporter_ostream_logs
-          opentelemetry_exporter_ostream_metrics
           opentelemetry_exporter_ostream_span
   EXPORT "${PROJECT_NAME}-target"
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
@@ -45,19 +33,15 @@ install(
   DIRECTORY include/opentelemetry/exporters/ostream
   DESTINATION include/opentelemetry/exporters/
   FILES_MATCHING
-  PATTERN "*.h")
+  PATTERN "metrics_exporter.h" EXCLUDE)
 
 if(BUILD_TESTING)
-  add_executable(ostream_metrics_test test/ostream_metrics_test.cc)
   add_executable(ostream_span_test test/ostream_span_test.cc)
   add_executable(ostream_log_test test/ostream_log_test.cc)
 
   target_link_libraries(ostream_span_test ${GTEST_BOTH_LIBRARIES}
                         opentelemetry_exporter_ostream_span)
 
-  target_link_libraries(ostream_metrics_test ${GTEST_BOTH_LIBRARIES}
-                        opentelemetry_exporter_ostream_metrics)
-
   target_link_libraries(ostream_log_test ${GTEST_BOTH_LIBRARIES}
                         opentelemetry_exporter_ostream_logs)
 
@@ -66,14 +50,40 @@ if(BUILD_TESTING)
     TEST_PREFIX exporter.
     TEST_LIST ostream_log_test)
 
-  gtest_add_tests(
-    TARGET ostream_metrics_test
-    TEST_PREFIX exporter.
-    TEST_LIST ostream_metrics_test)
-
   gtest_add_tests(
     TARGET ostream_span_test
     TEST_PREFIX exporter.
     TEST_LIST ostream_span_test)
 
 endif() # BUILD_TESTING
+
+if(WITH_METRICS_PREVIEW)
+  add_library(opentelemetry_exporter_ostream_metrics src/metrics_exporter.cc)
+  set_target_properties(opentelemetry_exporter_ostream_metrics
+                        PROPERTIES EXPORT_NAME ostream_metrics_exporter)
+  target_include_directories(
+    opentelemetry_exporter_ostream_metrics
+    PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
+  target_link_libraries(opentelemetry_exporter_ostream_metrics
+                        PUBLIC opentelemetry_metrics)
+  install(
+    TARGETS opentelemetry_exporter_ostream_metrics
+    EXPORT "${PROJECT_NAME}-target"
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+  install(
+    DIRECTORY include/opentelemetry/exporters/ostream
+    DESTINATION include/opentelemetry/exporters/
+    FILES_MATCHING
+    PATTERN "metrics_exporter.h")
+  if(BUILD_TESTING)
+    add_executable(ostream_metrics_test test/ostream_metrics_test.cc)
+    target_link_libraries(ostream_metrics_test ${GTEST_BOTH_LIBRARIES}
+                          opentelemetry_exporter_ostream_metrics)
+    gtest_add_tests(
+      TARGET ostream_metrics_test
+      TEST_PREFIX exporter.
+      TEST_LIST ostream_metrics_test)
+  endif()
+endif()
diff --git a/exporters/ostream/include/opentelemetry/exporters/ostream/metrics_exporter.h b/exporters/ostream/include/opentelemetry/exporters/ostream/metrics_exporter.h
index 1a97682dfe..630ab4268b 100644
--- a/exporters/ostream/include/opentelemetry/exporters/ostream/metrics_exporter.h
+++ b/exporters/ostream/include/opentelemetry/exporters/ostream/metrics_exporter.h
@@ -1,12 +1,13 @@
-#pragma once
+#ifdef ENABLE_METRICS_PREVIEW
+#  pragma once
 
-#include <iostream>
-#include <string>
-#include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
-#include "opentelemetry/sdk/metrics/exporter.h"
-#include "opentelemetry/sdk/metrics/record.h"
+#  include <iostream>
+#  include <string>
+#  include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
+#  include "opentelemetry/sdk/metrics/exporter.h"
+#  include "opentelemetry/sdk/metrics/record.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdkmetrics = opentelemetry::sdk::metrics;
@@ -161,3 +162,4 @@ class OStreamMetricsExporter final : public sdkmetrics::MetricsExporter
 }  // namespace metrics
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/ostream/src/metrics_exporter.cc b/exporters/ostream/src/metrics_exporter.cc
index 7ebaa7e386..943ec3c98f 100644
--- a/exporters/ostream/src/metrics_exporter.cc
+++ b/exporters/ostream/src/metrics_exporter.cc
@@ -1,4 +1,5 @@
-#include "opentelemetry/exporters/ostream/metrics_exporter.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/exporters/ostream/metrics_exporter.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace exporter
@@ -48,3 +49,4 @@ sdk::common::ExportResult OStreamMetricsExporter::Export(
 }  // namespace metrics
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/ostream/test/ostream_metrics_test.cc b/exporters/ostream/test/ostream_metrics_test.cc
index 07313ae2d1..53b58401a6 100644
--- a/exporters/ostream/test/ostream_metrics_test.cc
+++ b/exporters/ostream/test/ostream_metrics_test.cc
@@ -1,14 +1,16 @@
-#include "opentelemetry/exporters/ostream/metrics_exporter.h"
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
-#include "opentelemetry/sdk/metrics/exporter.h"
-#include "opentelemetry/sdk/metrics/record.h"
-
 #include <gtest/gtest.h>
-#include <iostream>
+#ifdef ENABLE_METRICS_PREVIEW
+
+#  include "opentelemetry/exporters/ostream/metrics_exporter.h"
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
+#  include "opentelemetry/sdk/metrics/exporter.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+
+#  include <iostream>
 
 namespace sdkmetrics  = opentelemetry::sdk::metrics;
 namespace metrics_api = opentelemetry::metrics;
@@ -288,3 +290,9 @@ TEST(OStreamMetricsExporter, PrintSketch)
 
   ASSERT_EQ(stdoutOutput.str(), expectedOutput);
 }
+#else
+TEST(OStreamMetricsExporter, DummyTest)
+{
+  // empty
+}
+#endif
diff --git a/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_collector.h b/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_collector.h
index 93184edc02..ebf1e2d548 100644
--- a/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_collector.h
+++ b/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_collector.h
@@ -13,17 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <memory>
-#include <mutex>
-#include <vector>
+#  include <memory>
+#  include <mutex>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/record.h"
-#include "prometheus/collectable.h"
-#include "prometheus/metric_family.h"
-#include "prometheus_exporter_utils.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "prometheus/collectable.h"
+#  include "prometheus/metric_family.h"
+#  include "prometheus_exporter_utils.h"
 
 namespace prometheus_client = ::prometheus;
 namespace metric_sdk        = opentelemetry::sdk::metrics;
@@ -98,3 +98,4 @@ class PrometheusCollector : public prometheus_client::Collectable
 }  // namespace prometheus
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_exporter_utils.h b/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_exporter_utils.h
index de63b4d88e..cf7636d431 100644
--- a/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_exporter_utils.h
+++ b/exporters/prometheus/include/opentelemetry/exporters/prometheus/prometheus_exporter_utils.h
@@ -13,14 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <string>
-#include <vector>
+#  include <string>
+#  include <vector>
 
-#include "opentelemetry/sdk/metrics/record.h"
-#include "prometheus/metric_family.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "prometheus/metric_family.h"
 
 namespace metric_sdk = opentelemetry::sdk::metrics;
 
@@ -180,3 +180,4 @@ class PrometheusExporterUtils
 }  // namespace prometheus
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/prometheus/src/prometheus_collector.cc b/exporters/prometheus/src/prometheus_collector.cc
index b0c8330135..23e727f2ab 100644
--- a/exporters/prometheus/src/prometheus_collector.cc
+++ b/exporters/prometheus/src/prometheus_collector.cc
@@ -13,10 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <iostream>
 
-#include <iostream>
-
-#include "opentelemetry/exporters/prometheus/prometheus_collector.h"
+#  include "opentelemetry/exporters/prometheus/prometheus_collector.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace exporter
@@ -173,3 +173,4 @@ int PrometheusCollector::GetMaxCollectionSize() const
 }  // namespace prometheus
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/prometheus/src/prometheus_exporter_utils.cc b/exporters/prometheus/src/prometheus_exporter_utils.cc
index 1a887b302d..303153499c 100644
--- a/exporters/prometheus/src/prometheus_exporter_utils.cc
+++ b/exporters/prometheus/src/prometheus_exporter_utils.cc
@@ -14,14 +14,15 @@
  * limitations under the License.
  */
 
-#include <iostream>
-#include <sstream>
-#include <utility>
-#include <vector>
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <iostream>
+#  include <sstream>
+#  include <utility>
+#  include <vector>
 
-#include "opentelemetry/exporters/prometheus/prometheus_exporter_utils.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "prometheus/metric_type.h"
+#  include "opentelemetry/exporters/prometheus/prometheus_exporter_utils.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "prometheus/metric_type.h"
 
 namespace prometheus_client = ::prometheus;
 
@@ -454,3 +455,4 @@ void PrometheusExporterUtils::SetValue(std::vector<T> values,
 }  // namespace prometheus
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/prometheus/test/prometheus_collector_test.cc b/exporters/prometheus/test/prometheus_collector_test.cc
index e80852eb41..8270bb3a2d 100644
--- a/exporters/prometheus/test/prometheus_collector_test.cc
+++ b/exporters/prometheus/test/prometheus_collector_test.cc
@@ -14,22 +14,23 @@
  * limitations under the License.
  */
 
-#include <gtest/gtest.h>
-#include <future>
-#include <map>
-#include <thread>
-
-#include "opentelemetry/exporters/prometheus/prometheus_collector.h"
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
-#include "opentelemetry/sdk/metrics/record.h"
-#include "opentelemetry/version.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <future>
+#  include <map>
+#  include <thread>
+
+#  include "opentelemetry/exporters/prometheus/prometheus_collector.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "opentelemetry/version.h"
 
 using opentelemetry::exporter::prometheus::PrometheusCollector;
 
@@ -765,3 +766,4 @@ TEST(PrometheusCollector, ConcurrentlyAddingAndConcurrentlyCollecting)
 }
 
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/exporters/prometheus/test/prometheus_exporter_utils_test.cc b/exporters/prometheus/test/prometheus_exporter_utils_test.cc
index 5bf9664b2d..e6725d81cd 100644
--- a/exporters/prometheus/test/prometheus_exporter_utils_test.cc
+++ b/exporters/prometheus/test/prometheus_exporter_utils_test.cc
@@ -14,20 +14,21 @@
  * limitations under the License.
  */
 
-#include <map>
-#include <numeric>
-#include <string>
-#include <typeinfo>
-
-#include <gtest/gtest.h>
-#include <opentelemetry/version.h>
-#include "opentelemetry/exporters/prometheus/prometheus_exporter_utils.h"
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <map>
+#  include <numeric>
+#  include <string>
+#  include <typeinfo>
+
+#  include <opentelemetry/version.h>
+#  include "opentelemetry/exporters/prometheus/prometheus_exporter_utils.h"
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
 
 using opentelemetry::exporter::prometheus::PrometheusExporterUtils;
 namespace metric_sdk        = opentelemetry::sdk::metrics;
@@ -469,3 +470,4 @@ TEST(PrometheusExporterUtils, TranslateToPrometheusMultipleAggregators)
                prometheus_client::MetricType::Gauge, 1, vals);
 }
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/aggregator.h
index d3e878d785..7a950fe44c 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/aggregator.h
@@ -1,10 +1,11 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <mutex>
-#include <vector>
-#include "opentelemetry/common/timestamp.h"
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/version.h"
+#  include <mutex>
+#  include <vector>
+#  include "opentelemetry/common/timestamp.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -151,3 +152,4 @@ class Aggregator
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/counter_aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/counter_aggregator.h
index e744d9b150..f53a5d600f 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/counter_aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/counter_aggregator.h
@@ -1,10 +1,11 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <mutex>
-#include <vector>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/version.h"
+#  include <mutex>
+#  include <vector>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -75,11 +76,11 @@ class CounterAggregator final : public Aggregator<T>
     }
     else
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Aggregators of different types cannot be merged.");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
   }
 
@@ -103,3 +104,4 @@ class CounterAggregator final : public Aggregator<T>
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/exact_aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/exact_aggregator.h
index b34bfd0643..2e2d36d23a 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/exact_aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/exact_aggregator.h
@@ -1,13 +1,14 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/version.h"
 
-#include <cmath>
-#include <memory>
-#include <mutex>
-#include <vector>
+#  include <cmath>
+#  include <memory>
+#  include <mutex>
+#  include <vector>
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -120,20 +121,20 @@ class ExactAggregator : public Aggregator<T>
     if (!quant_estimation_)
     {
 // Log error
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::domain_error("Exact aggregator is not in quantile estimation mode!");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     if (this->checkpoint_.size() == 0 || q < 0 || q > 1)
     {
 // Log error
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Arg 'q' must be between 0 and 1, inclusive");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     else if (q == 0 || this->checkpoint_.size() == 1)
     {
@@ -164,3 +165,4 @@ class ExactAggregator : public Aggregator<T>
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h
index fa36f07981..403c2ec1db 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h
@@ -1,13 +1,14 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/common/timestamp.h"
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/common/timestamp.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/version.h"
 
-#include <memory>
-#include <mutex>
-#include <vector>
+#  include <memory>
+#  include <mutex>
+#  include <vector>
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -141,3 +142,4 @@ class GaugeAggregator : public Aggregator<T>
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h
index 6cd417f650..191cbf60e6 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h
@@ -1,12 +1,13 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <algorithm>
-#include <mutex>
-#include <stdexcept>
-#include <vector>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/version.h"
+#  include <algorithm>
+#  include <mutex>
+#  include <stdexcept>
+#  include <vector>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -32,11 +33,11 @@ class HistogramAggregator final : public Aggregator<T>
   {
     if (!std::is_sorted(boundaries.begin(), boundaries.end()))
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Histogram boundaries must be monotonic.");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     this->kind_        = kind;
     this->agg_kind_    = AggregatorKind::Histogram;
@@ -119,20 +120,20 @@ class HistogramAggregator final : public Aggregator<T>
     // Ensure that incorrect types are not merged
     if (this->agg_kind_ != other.agg_kind_)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Aggregators of different types cannot be merged.");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
       // Reject histogram merges with differing boundary vectors
     }
     else if (other.boundaries_ != this->boundaries_)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Histogram boundaries do not match.");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
 
     this->values_[0] += other.values_[0];
@@ -202,3 +203,4 @@ class HistogramAggregator final : public Aggregator<T>
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h
index 08c57c998d..db3a8b5e53 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h
@@ -1,12 +1,13 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/version.h"
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/version.h"
 
-#include <memory>
-#include <mutex>
-#include <vector>
+#  include <memory>
+#  include <mutex>
+#  include <vector>
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -154,3 +155,4 @@ class MinMaxSumCountAggregator : public Aggregator<T>
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h b/sdk/include/opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h
index 4de4174df2..4956e9a7b0 100644
--- a/sdk/include/opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h
+++ b/sdk/include/opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h
@@ -1,15 +1,16 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <algorithm>
-#include <cmath>
-#include <limits>
-#include <map>
-#include <mutex>
-#include <stdexcept>
-#include <vector>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/version.h"
+#  include <algorithm>
+#  include <cmath>
+#  include <limits>
+#  include <map>
+#  include <mutex>
+#  include <stdexcept>
+#  include <vector>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -102,11 +103,11 @@ class SketchAggregator final : public Aggregator<T>
   {
     if (q < 0 || q > 1)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Quantile values must fall between 0 and 1");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     auto iter = checkpoint_raw_.begin();
     int idx   = iter->first;
@@ -152,19 +153,19 @@ class SketchAggregator final : public Aggregator<T>
   {
     if (gamma != other.gamma)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Aggregators must have identical error tolerance");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     else if (max_buckets_ != other.max_buckets_)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Aggregators must have the same maximum bucket allowance");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
 
     this->mu_.lock();
@@ -275,3 +276,4 @@ class SketchAggregator final : public Aggregator<T>
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/async_instruments.h b/sdk/include/opentelemetry/sdk/metrics/async_instruments.h
index 850d798ac5..644ccb937c 100644
--- a/sdk/include/opentelemetry/sdk/metrics/async_instruments.h
+++ b/sdk/include/opentelemetry/sdk/metrics/async_instruments.h
@@ -1,15 +1,16 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <map>
-#include <memory>
-#include <sstream>
-#include <stdexcept>
-#include <vector>
-#include "opentelemetry/metrics/async_instruments.h"
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
-#include "opentelemetry/sdk/metrics/instrument.h"
-#include "opentelemetry/version.h"
+#  include <map>
+#  include <memory>
+#  include <sstream>
+#  include <stdexcept>
+#  include <vector>
+#  include "opentelemetry/metrics/async_instruments.h"
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/instrument.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -19,10 +20,10 @@ namespace sdk
 namespace metrics
 {
 
-#if defined(_MSC_VER)
-#  pragma warning(push)
-#  pragma warning(disable : 4250)  // inheriting methods via dominance
-#endif
+#  if defined(_MSC_VER)
+#    pragma warning(push)
+#    pragma warning(disable : 4250)  // inheriting methods via dominance
+#  endif
 
 template <class T>
 class ValueObserver : public AsynchronousInstrument<T>, virtual public metrics_api::ValueObserver<T>
@@ -136,11 +137,11 @@ class SumObserver : public AsynchronousInstrument<T>, virtual public metrics_api
       boundAggregators_.insert(std::make_pair(labelset, sp1));
       if (value < 0)
       {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
         throw std::invalid_argument("Counter instrument updates must be non-negative.");
-#else
+#  else
         std::terminate();
-#endif
+#  endif
       }
       else
       {
@@ -151,11 +152,11 @@ class SumObserver : public AsynchronousInstrument<T>, virtual public metrics_api
     {
       if (value < 0)
       {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
         throw std::invalid_argument("Counter instrument updates must be non-negative.");
-#else
+#  else
         std::terminate();
-#endif
+#  endif
       }
       else
       {
@@ -272,10 +273,11 @@ class UpDownSumObserver : public AsynchronousInstrument<T>,
   std::unordered_map<std::string, std::shared_ptr<Aggregator<T>>> boundAggregators_;
 };
 
-#if defined(_MSC_VER)
-#  pragma warning(pop)
-#endif
+#  if defined(_MSC_VER)
+#    pragma warning(pop)
+#  endif
 
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/controller.h b/sdk/include/opentelemetry/sdk/metrics/controller.h
index c36d789e72..fc90ce9dd2 100644
--- a/sdk/include/opentelemetry/sdk/metrics/controller.h
+++ b/sdk/include/opentelemetry/sdk/metrics/controller.h
@@ -1,17 +1,18 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <atomic>
-#include <iostream>
-#include <sstream>
-#include <thread>
-#include <vector>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/nostd/unique_ptr.h"
-#include "opentelemetry/sdk/metrics/exporter.h"
-#include "opentelemetry/sdk/metrics/meter.h"
-#include "opentelemetry/sdk/metrics/processor.h"
-#include "opentelemetry/sdk/metrics/record.h"
-#include "opentelemetry/version.h"
+#  include <atomic>
+#  include <iostream>
+#  include <sstream>
+#  include <thread>
+#  include <vector>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/nostd/unique_ptr.h"
+#  include "opentelemetry/sdk/metrics/exporter.h"
+#  include "opentelemetry/sdk/metrics/meter.h"
+#  include "opentelemetry/sdk/metrics/processor.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -140,3 +141,4 @@ class PushController
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/exporter.h b/sdk/include/opentelemetry/sdk/metrics/exporter.h
index 55d5221ac8..1888eb27ac 100644
--- a/sdk/include/opentelemetry/sdk/metrics/exporter.h
+++ b/sdk/include/opentelemetry/sdk/metrics/exporter.h
@@ -13,12 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <memory>
-#include "opentelemetry/sdk/common/exporter_utils.h"
-#include "opentelemetry/sdk/metrics/record.h"
+#  include <memory>
+#  include "opentelemetry/sdk/common/exporter_utils.h"
+#  include "opentelemetry/sdk/metrics/record.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
@@ -44,3 +44,4 @@ class MetricsExporter
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/instrument.h b/sdk/include/opentelemetry/sdk/metrics/instrument.h
index aa54909339..754abfd941 100644
--- a/sdk/include/opentelemetry/sdk/metrics/instrument.h
+++ b/sdk/include/opentelemetry/sdk/metrics/instrument.h
@@ -1,16 +1,17 @@
 #pragma once
-
-#include <iostream>
-#include <map>
-#include <memory>
-#include <sstream>
-#include <string>
-#include <unordered_map>
-#include <vector>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
-#include "opentelemetry/sdk/metrics/record.h"
-#include "opentelemetry/version.h"
+#ifdef ENABLE_METRICS_PREVIEW
+
+#  include <iostream>
+#  include <map>
+#  include <memory>
+#  include <sstream>
+#  include <string>
+#  include <unordered_map>
+#  include <vector>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "opentelemetry/version.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -20,10 +21,10 @@ namespace sdk
 namespace metrics
 {
 
-#if defined(_MSC_VER)
-#  pragma warning(push)
-#  pragma warning(disable : 4250)  // inheriting methods via dominance
-#endif
+#  if defined(_MSC_VER)
+#    pragma warning(push)
+#    pragma warning(disable : 4250)  // inheriting methods via dominance
+#  endif
 
 class Instrument : virtual public metrics_api::Instrument
 {
@@ -253,11 +254,11 @@ inline void print_value(std::stringstream &ss,
 
       break;
     default:
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Labels must be strings");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
       break;
   }
 };
@@ -299,10 +300,11 @@ inline std::string KvToString(const opentelemetry::common::KeyValueIterable &kv)
   return ss.str();
 }
 
-#if defined(_MSC_VER)
-#  pragma warning(pop)
-#endif
+#  if defined(_MSC_VER)
+#    pragma warning(pop)
+#  endif
 
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/meter.h b/sdk/include/opentelemetry/sdk/metrics/meter.h
index 860d89eeea..591b6ef0c8 100644
--- a/sdk/include/opentelemetry/sdk/metrics/meter.h
+++ b/sdk/include/opentelemetry/sdk/metrics/meter.h
@@ -1,14 +1,15 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/metrics/meter.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/sdk/metrics/async_instruments.h"
-#include "opentelemetry/sdk/metrics/instrument.h"
-#include "opentelemetry/sdk/metrics/record.h"
-#include "opentelemetry/sdk/metrics/sync_instruments.h"
+#  include "opentelemetry/metrics/meter.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/sdk/metrics/async_instruments.h"
+#  include "opentelemetry/sdk/metrics/instrument.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "opentelemetry/sdk/metrics/sync_instruments.h"
 
-#include <unordered_set>
-#include <vector>
+#  include <unordered_set>
+#  include <vector>
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
@@ -373,3 +374,4 @@ class Meter : public metrics_api::Meter
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/meter_provider.h b/sdk/include/opentelemetry/sdk/metrics/meter_provider.h
index 4112d14b8f..9d75613077 100644
--- a/sdk/include/opentelemetry/sdk/metrics/meter_provider.h
+++ b/sdk/include/opentelemetry/sdk/metrics/meter_provider.h
@@ -1,11 +1,12 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include "opentelemetry/metrics/meter_provider.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/sdk/metrics/meter.h"
+#  include "opentelemetry/metrics/meter_provider.h"
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/sdk/metrics/meter.h"
 
-#include <memory>
-#include <string>
+#  include <memory>
+#  include <string>
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
@@ -30,3 +31,4 @@ class MeterProvider final : public opentelemetry::metrics::MeterProvider
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/processor.h b/sdk/include/opentelemetry/sdk/metrics/processor.h
index 38324aadba..f60831944c 100644
--- a/sdk/include/opentelemetry/sdk/metrics/processor.h
+++ b/sdk/include/opentelemetry/sdk/metrics/processor.h
@@ -1,12 +1,13 @@
 #pragma once
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/nostd/string_view.h"
-#include "opentelemetry/sdk/metrics/record.h"
-#include "opentelemetry/version.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/nostd/string_view.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "opentelemetry/version.h"
 
-#include <iostream>
-#include <string>
-#include <unordered_map>
+#  include <iostream>
+#  include <string>
+#  include <unordered_map>
 
 namespace sdkmetrics = opentelemetry::sdk::metrics;
 
@@ -33,3 +34,4 @@ class MetricsProcessor
 }  // namespace sdk
 
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/record.h b/sdk/include/opentelemetry/sdk/metrics/record.h
index 1c646faf2e..bc868169b2 100644
--- a/sdk/include/opentelemetry/sdk/metrics/record.h
+++ b/sdk/include/opentelemetry/sdk/metrics/record.h
@@ -1,9 +1,10 @@
 #pragma once
+#ifdef ENABLE_METRICS_PREVIEW
 
-#include <memory>
-#include "opentelemetry/metrics/instrument.h"
-#include "opentelemetry/nostd/variant.h"
-#include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
+#  include <memory>
+#  include "opentelemetry/metrics/instrument.h"
+#  include "opentelemetry/nostd/variant.h"
+#  include "opentelemetry/sdk/metrics/aggregator/aggregator.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 
@@ -45,3 +46,4 @@ class Record
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/sync_instruments.h b/sdk/include/opentelemetry/sdk/metrics/sync_instruments.h
index 3893680cbe..6a774e3a5f 100644
--- a/sdk/include/opentelemetry/sdk/metrics/sync_instruments.h
+++ b/sdk/include/opentelemetry/sdk/metrics/sync_instruments.h
@@ -1,14 +1,15 @@
 #pragma once
-
-#include <map>
-#include <memory>
-#include <sstream>
-#include <stdexcept>
-#include <vector>
-#include "opentelemetry/metrics/sync_instruments.h"
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
-#include "opentelemetry/sdk/metrics/instrument.h"
+#ifdef ENABLE_METRICS_PREVIEW
+
+#  include <map>
+#  include <memory>
+#  include <sstream>
+#  include <stdexcept>
+#  include <vector>
+#  include "opentelemetry/metrics/sync_instruments.h"
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/instrument.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -18,10 +19,10 @@ namespace sdk
 namespace metrics
 {
 
-#if defined(_MSC_VER)
-#  pragma warning(push)
-#  pragma warning(disable : 4250)  // inheriting methods via dominance
-#endif
+#  if defined(_MSC_VER)
+#    pragma warning(push)
+#    pragma warning(disable : 4250)  // inheriting methods via dominance
+#  endif
 
 template <class T>
 class BoundCounter final : public BoundSynchronousInstrument<T>, public metrics_api::BoundCounter<T>
@@ -55,11 +56,11 @@ class BoundCounter final : public BoundSynchronousInstrument<T>, public metrics_
   {
     if (value < 0)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Counter instrument updates must be non-negative.");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     else
     {
@@ -128,11 +129,11 @@ class Counter final : public SynchronousInstrument<T>, public metrics_api::Count
   {
     if (value < 0)
     {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
       throw std::invalid_argument("Counter instrument updates must be non-negative.");
-#else
+#  else
       std::terminate();
-#endif
+#  endif
     }
     else
     {
@@ -436,10 +437,11 @@ class ValueRecorder final : public SynchronousInstrument<T>, public metrics_api:
       boundInstruments_;
 };
 
-#if defined(_MSC_VER)
-#  pragma warning(pop)
-#endif
+#  if defined(_MSC_VER)
+#    pragma warning(pop)
+#  endif
 
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/include/opentelemetry/sdk/metrics/ungrouped_processor.h b/sdk/include/opentelemetry/sdk/metrics/ungrouped_processor.h
index f0449be0ba..a1bf68d57e 100644
--- a/sdk/include/opentelemetry/sdk/metrics/ungrouped_processor.h
+++ b/sdk/include/opentelemetry/sdk/metrics/ungrouped_processor.h
@@ -1,15 +1,16 @@
 #pragma once
-
-#include <map>
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
-#include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
-#include "opentelemetry/sdk/metrics/processor.h"
-#include "opentelemetry/sdk/metrics/record.h"
-#include "opentelemetry/version.h"
+#ifdef ENABLE_METRICS_PREVIEW
+
+#  include <map>
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
+#  include "opentelemetry/sdk/metrics/processor.h"
+#  include "opentelemetry/sdk/metrics/record.h"
+#  include "opentelemetry/version.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 
@@ -283,3 +284,4 @@ class UngroupedMetricsProcessor : public MetricsProcessor
 }  // namespace sdk
 
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/src/CMakeLists.txt b/sdk/src/CMakeLists.txt
index 56adec57d5..47f76ac170 100644
--- a/sdk/src/CMakeLists.txt
+++ b/sdk/src/CMakeLists.txt
@@ -1,6 +1,8 @@
 add_subdirectory(common)
 add_subdirectory(trace)
-add_subdirectory(metrics)
+if(WITH_METRICS_PREVIEW)
+  add_subdirectory(metrics)
+endif()
 add_subdirectory(logs)
 add_subdirectory(version)
 add_subdirectory(resource)
diff --git a/sdk/src/metrics/meter.cc b/sdk/src/metrics/meter.cc
index 29a769628f..636a0880ef 100644
--- a/sdk/src/metrics/meter.cc
+++ b/sdk/src/metrics/meter.cc
@@ -1,4 +1,5 @@
-#include "opentelemetry/sdk/metrics/meter.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/meter.h"
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
 {
@@ -12,11 +13,11 @@ nostd::shared_ptr<metrics_api::Counter<short>> Meter::NewShortCounter(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto counter = new Counter<short>(name, description, unit, enabled);
   auto ptr     = std::shared_ptr<metrics_api::Counter<short>>(counter);
@@ -33,11 +34,11 @@ nostd::shared_ptr<metrics_api::Counter<int>> Meter::NewIntCounter(nostd::string_
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto counter = new Counter<int>(name, description, unit, enabled);
   auto ptr     = std::shared_ptr<metrics_api::Counter<int>>(counter);
@@ -55,11 +56,11 @@ nostd::shared_ptr<metrics_api::Counter<float>> Meter::NewFloatCounter(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto counter = new Counter<float>(name, description, unit, enabled);
   auto ptr     = std::shared_ptr<metrics_api::Counter<float>>(counter);
@@ -77,11 +78,11 @@ nostd::shared_ptr<metrics_api::Counter<double>> Meter::NewDoubleCounter(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto counter = new Counter<double>(name, description, unit, enabled);
   auto ptr     = std::shared_ptr<metrics_api::Counter<double>>(counter);
@@ -99,11 +100,11 @@ nostd::shared_ptr<metrics_api::UpDownCounter<short>> Meter::NewShortUpDownCounte
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto udcounter = new UpDownCounter<short>(name, description, unit, enabled);
   auto ptr       = std::shared_ptr<metrics_api::UpDownCounter<short>>(udcounter);
@@ -121,11 +122,11 @@ nostd::shared_ptr<metrics_api::UpDownCounter<int>> Meter::NewIntUpDownCounter(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto udcounter = new UpDownCounter<int>(name, description, unit, enabled);
   auto ptr       = std::shared_ptr<metrics_api::UpDownCounter<int>>(udcounter);
@@ -143,11 +144,11 @@ nostd::shared_ptr<metrics_api::UpDownCounter<float>> Meter::NewFloatUpDownCounte
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto udcounter = new UpDownCounter<float>(name, description, unit, enabled);
   auto ptr       = std::shared_ptr<metrics_api::UpDownCounter<float>>(udcounter);
@@ -165,11 +166,11 @@ nostd::shared_ptr<metrics_api::UpDownCounter<double>> Meter::NewDoubleUpDownCoun
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto udcounter = new UpDownCounter<double>(name, description, unit, enabled);
   auto ptr       = std::shared_ptr<metrics_api::UpDownCounter<double>>(udcounter);
@@ -187,11 +188,11 @@ nostd::shared_ptr<metrics_api::ValueRecorder<short>> Meter::NewShortValueRecorde
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto recorder = new ValueRecorder<short>(name, description, unit, enabled);
   auto ptr      = std::shared_ptr<metrics_api::ValueRecorder<short>>(recorder);
@@ -209,11 +210,11 @@ nostd::shared_ptr<metrics_api::ValueRecorder<int>> Meter::NewIntValueRecorder(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto recorder = new ValueRecorder<int>(name, description, unit, enabled);
   auto ptr      = std::shared_ptr<metrics_api::ValueRecorder<int>>(recorder);
@@ -231,11 +232,11 @@ nostd::shared_ptr<metrics_api::ValueRecorder<float>> Meter::NewFloatValueRecorde
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto recorder = new ValueRecorder<float>(name, description, unit, enabled);
   auto ptr      = std::shared_ptr<metrics_api::ValueRecorder<float>>(recorder);
@@ -253,11 +254,11 @@ nostd::shared_ptr<metrics_api::ValueRecorder<double>> Meter::NewDoubleValueRecor
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto recorder = new ValueRecorder<double>(name, description, unit, enabled);
   auto ptr      = std::shared_ptr<metrics_api::ValueRecorder<double>>(recorder);
@@ -276,11 +277,11 @@ nostd::shared_ptr<metrics_api::SumObserver<short>> Meter::NewShortSumObserver(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new SumObserver<short>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::SumObserver<short>>(sumobs);
@@ -299,11 +300,11 @@ nostd::shared_ptr<metrics_api::SumObserver<int>> Meter::NewIntSumObserver(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new SumObserver<int>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::SumObserver<int>>(sumobs);
@@ -322,11 +323,11 @@ nostd::shared_ptr<metrics_api::SumObserver<float>> Meter::NewFloatSumObserver(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new SumObserver<float>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::SumObserver<float>>(sumobs);
@@ -345,11 +346,11 @@ nostd::shared_ptr<metrics_api::SumObserver<double>> Meter::NewDoubleSumObserver(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new SumObserver<double>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::SumObserver<double>>(sumobs);
@@ -368,11 +369,11 @@ nostd::shared_ptr<metrics_api::UpDownSumObserver<short>> Meter::NewShortUpDownSu
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new UpDownSumObserver<short>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::UpDownSumObserver<short>>(sumobs);
@@ -391,11 +392,11 @@ nostd::shared_ptr<metrics_api::UpDownSumObserver<int>> Meter::NewIntUpDownSumObs
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new UpDownSumObserver<int>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::UpDownSumObserver<int>>(sumobs);
@@ -414,11 +415,11 @@ nostd::shared_ptr<metrics_api::UpDownSumObserver<float>> Meter::NewFloatUpDownSu
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new UpDownSumObserver<float>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::UpDownSumObserver<float>>(sumobs);
@@ -437,11 +438,11 @@ nostd::shared_ptr<metrics_api::UpDownSumObserver<double>> Meter::NewDoubleUpDown
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new UpDownSumObserver<double>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::UpDownSumObserver<double>>(sumobs);
@@ -460,11 +461,11 @@ nostd::shared_ptr<metrics_api::ValueObserver<short>> Meter::NewShortValueObserve
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new ValueObserver<short>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::ValueObserver<short>>(sumobs);
@@ -483,11 +484,11 @@ nostd::shared_ptr<metrics_api::ValueObserver<int>> Meter::NewIntValueObserver(
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new ValueObserver<int>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::ValueObserver<int>>(sumobs);
@@ -506,11 +507,11 @@ nostd::shared_ptr<metrics_api::ValueObserver<float>> Meter::NewFloatValueObserve
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new ValueObserver<float>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::ValueObserver<float>>(sumobs);
@@ -529,11 +530,11 @@ nostd::shared_ptr<metrics_api::ValueObserver<double>> Meter::NewDoubleValueObser
 {
   if (!IsValidName(name) || NameAlreadyUsed(name))
   {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
     throw std::invalid_argument("Invalid Name");
-#else
+#  else
     std::terminate();
-#endif
+#  endif
   }
   auto sumobs = new ValueObserver<double>(name, description, unit, enabled, callback);
   auto ptr    = std::shared_ptr<metrics_api::ValueObserver<double>>(sumobs);
@@ -762,3 +763,4 @@ bool Meter::NameAlreadyUsed(nostd::string_view name)
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/src/metrics/meter_provider.cc b/sdk/src/metrics/meter_provider.cc
index 7c009a7bab..7da48c36b1 100644
--- a/sdk/src/metrics/meter_provider.cc
+++ b/sdk/src/metrics/meter_provider.cc
@@ -1,4 +1,5 @@
-#include "opentelemetry/sdk/metrics/meter_provider.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/meter_provider.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 namespace sdk
@@ -19,3 +20,4 @@ opentelemetry::nostd::shared_ptr<opentelemetry::metrics::Meter> MeterProvider::G
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/src/metrics/ungrouped_processor.cc b/sdk/src/metrics/ungrouped_processor.cc
index 4c5be0e220..414ed28cdb 100644
--- a/sdk/src/metrics/ungrouped_processor.cc
+++ b/sdk/src/metrics/ungrouped_processor.cc
@@ -1,4 +1,5 @@
-#include "opentelemetry/sdk/metrics/ungrouped_processor.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/ungrouped_processor.h"
 
 OPENTELEMETRY_BEGIN_NAMESPACE
 
@@ -161,3 +162,4 @@ void UngroupedMetricsProcessor::process(sdkmetrics::Record record) noexcept
 }  // namespace sdk
 
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/CMakeLists.txt b/sdk/test/CMakeLists.txt
index 77047165d9..f574b688fb 100644
--- a/sdk/test/CMakeLists.txt
+++ b/sdk/test/CMakeLists.txt
@@ -1,6 +1,8 @@
 add_subdirectory(common)
 add_subdirectory(trace)
-add_subdirectory(metrics)
+if(WITH_METRICS_PREVIEW)
+  add_subdirectory(metrics)
+endif()
 add_subdirectory(logs)
 add_subdirectory(resource)
 add_subdirectory(instrumentationlibrary)
diff --git a/sdk/test/metrics/controller_test.cc b/sdk/test/metrics/controller_test.cc
index 078d4330c5..51749bb7df 100644
--- a/sdk/test/metrics/controller_test.cc
+++ b/sdk/test/metrics/controller_test.cc
@@ -1,10 +1,11 @@
-#include "opentelemetry/sdk/metrics/controller.h"
-#include "opentelemetry/sdk/metrics/meter.h"
-#include "opentelemetry/sdk/metrics/ungrouped_processor.h"
-
-#include <gtest/gtest.h>
-#include <numeric>
-#include <thread>
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/controller.h"
+#  include "opentelemetry/sdk/metrics/meter.h"
+#  include "opentelemetry/sdk/metrics/ungrouped_processor.h"
+
+#  include <gtest/gtest.h>
+#  include <numeric>
+#  include <thread>
 // #include <chrono>
 
 namespace metrics_api = opentelemetry::metrics;
@@ -49,3 +50,4 @@ TEST(Controller, Constructor)
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/metrics/counter_aggregator_test.cc b/sdk/test/metrics/counter_aggregator_test.cc
index 09d146b15f..188faa2843 100644
--- a/sdk/test/metrics/counter_aggregator_test.cc
+++ b/sdk/test/metrics/counter_aggregator_test.cc
@@ -1,8 +1,9 @@
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
 
-#include <gtest/gtest.h>
-#include <numeric>
-#include <thread>
+#  include <gtest/gtest.h>
+#  include <numeric>
+#  include <thread>
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -113,3 +114,4 @@ TEST(CounterAggregator, Merge)
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/metrics/exact_aggregator_test.cc b/sdk/test/metrics/exact_aggregator_test.cc
index be32b87704..ee31fda1a3 100644
--- a/sdk/test/metrics/exact_aggregator_test.cc
+++ b/sdk/test/metrics/exact_aggregator_test.cc
@@ -1,7 +1,9 @@
 #include <gtest/gtest.h>
-#include <thread>
 
-#include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <thread>
+
+#  include "opentelemetry/sdk/metrics/aggregator/exact_aggregator.h"
 
 using namespace opentelemetry::sdk::metrics;
 
@@ -179,10 +181,10 @@ TEST(ExactAggregatorInOrder, Quantile)
     agg.update(i);
   }
   agg.checkpoint();
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
   ASSERT_THROW(agg.get_quantiles(0.5), std::domain_error);
-#else
-#endif
+#  else
+#  endif
 }
 
 void callback(ExactAggregator<int> &agg)
@@ -214,4 +216,10 @@ TEST(ExactAggregatorQuant, Concurrency)
   agg.checkpoint();
 
   ASSERT_EQ(agg.get_checkpoint(), correct);
-}
\ No newline at end of file
+}
+#else
+TEST(ExactAggregatorQuant, DummyTest)
+{
+  // empty
+}
+#endif
diff --git a/sdk/test/metrics/gauge_aggregator_test.cc b/sdk/test/metrics/gauge_aggregator_test.cc
index 7370d78f70..7d0438cbe7 100644
--- a/sdk/test/metrics/gauge_aggregator_test.cc
+++ b/sdk/test/metrics/gauge_aggregator_test.cc
@@ -1,7 +1,9 @@
-#include <gtest/gtest.h>
-#include <thread>
 
-#include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <thread>
+
+#  include "opentelemetry/sdk/metrics/aggregator/gauge_aggregator.h"
 
 using namespace opentelemetry::sdk::metrics;
 
@@ -124,4 +126,5 @@ TEST(GaugeAggregator, Concurrency)
   second.join();
 
   ASSERT_EQ(agg.get_values()[0], 10000);
-}
\ No newline at end of file
+}
+#endif
diff --git a/sdk/test/metrics/histogram_aggregator_test.cc b/sdk/test/metrics/histogram_aggregator_test.cc
index 146c552bb0..74961d9890 100644
--- a/sdk/test/metrics/histogram_aggregator_test.cc
+++ b/sdk/test/metrics/histogram_aggregator_test.cc
@@ -1,9 +1,11 @@
-#include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/aggregator/histogram_aggregator.h"
+
+#  include <gtest/gtest.h>
+#  include <iostream>
+#  include <numeric>
+#  include <thread>
 
-#include <gtest/gtest.h>
-#include <iostream>
-#include <numeric>
-#include <thread>
 // #include <chrono>
 
 namespace metrics_api = opentelemetry::metrics;
@@ -144,7 +146,7 @@ TEST(Histogram, Concurrency)
   EXPECT_EQ(alpha.get_counts(), beta.get_counts());
 }
 
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
 
 TEST(Histogram, Errors)
 {
@@ -160,8 +162,9 @@ TEST(Histogram, Errors)
   EXPECT_ANY_THROW(beta.merge(gamma));
 }
 
-#endif
+#  endif
 
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/metrics/meter_provider_sdk_test.cc b/sdk/test/metrics/meter_provider_sdk_test.cc
index 52a00d6c58..54a545a96a 100644
--- a/sdk/test/metrics/meter_provider_sdk_test.cc
+++ b/sdk/test/metrics/meter_provider_sdk_test.cc
@@ -1,7 +1,8 @@
-#include "opentelemetry/sdk/metrics/meter.h"
-#include "opentelemetry/sdk/metrics/meter_provider.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
 
-#include <gtest/gtest.h>
+#  include "opentelemetry/sdk/metrics/meter.h"
+#  include "opentelemetry/sdk/metrics/meter_provider.h"
 
 using namespace opentelemetry::sdk::metrics;
 
@@ -19,3 +20,4 @@ TEST(MeterProvider, GetMeter)
   ASSERT_EQ(t1, t2);
   ASSERT_EQ(t1, t3);
 }
+#endif
diff --git a/sdk/test/metrics/meter_test.cc b/sdk/test/metrics/meter_test.cc
index b47b0d418a..d980050afa 100644
--- a/sdk/test/metrics/meter_test.cc
+++ b/sdk/test/metrics/meter_test.cc
@@ -1,6 +1,8 @@
-#include "opentelemetry/sdk/metrics/meter.h"
-#include <gtest/gtest.h>
-#include <future>
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <future>
+
+#  include "opentelemetry/sdk/metrics/meter.h"
 
 using namespace opentelemetry::sdk::metrics;
 namespace metrics_api = opentelemetry::metrics;
@@ -264,7 +266,7 @@ TEST(Meter, DisableCollectAsync)
 
 TEST(MeterStringUtil, IsValid)
 {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
   Meter m("Test");
   ASSERT_ANY_THROW(m.NewShortCounter("", "Empty name is invalid", " ", true));
   ASSERT_ANY_THROW(m.NewShortCounter("1a", "Can't begin with a number", " ", true));
@@ -272,18 +274,19 @@ TEST(MeterStringUtil, IsValid)
   ASSERT_ANY_THROW(m.NewShortCounter(" a", "Can't begin with space", " ", true));
   ASSERT_ANY_THROW(m.NewShortCounter(
       "te^ s=%t", "Only alphanumeric ., -, and _ characters are allowed", " ", true));
-#endif
+#  endif
 }
 
 TEST(MeterStringUtil, AlreadyExists)
 {
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
   Meter m("Test");
 
   m.NewShortCounter("a", "First instance of instrument named 'a'", "", true);
   ASSERT_ANY_THROW(m.NewShortCounter("a", "Second (illegal) instrument named 'a'", "", true));
   ASSERT_ANY_THROW(m.NewShortSumObserver("a", "Still illegal even though it is not a short counter",
                                          "", true, &ShortCallback));
-#endif
+#  endif
 }
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/metrics/metric_instrument_test.cc b/sdk/test/metrics/metric_instrument_test.cc
index 9fd1c5c5a7..741a3d819d 100644
--- a/sdk/test/metrics/metric_instrument_test.cc
+++ b/sdk/test/metrics/metric_instrument_test.cc
@@ -1,13 +1,13 @@
-
-#include <gtest/gtest.h>
-#include <cstring>
-#include <iostream>
-#include <map>
-#include <memory>
-#include <string>
-#include <thread>
-#include "opentelemetry/sdk/metrics/async_instruments.h"
-#include "opentelemetry/sdk/metrics/sync_instruments.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <cstring>
+#  include <iostream>
+#  include <map>
+#  include <memory>
+#  include <string>
+#  include <thread>
+#  include "opentelemetry/sdk/metrics/async_instruments.h"
+#  include "opentelemetry/sdk/metrics/sync_instruments.h"
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -467,3 +467,4 @@ TEST(Instruments, NoUpdateNoRecord)
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/metrics/min_max_sum_count_aggregator_test.cc b/sdk/test/metrics/min_max_sum_count_aggregator_test.cc
index 21d06ddcea..638147e856 100644
--- a/sdk/test/metrics/min_max_sum_count_aggregator_test.cc
+++ b/sdk/test/metrics/min_max_sum_count_aggregator_test.cc
@@ -1,7 +1,8 @@
-#include <gtest/gtest.h>
-#include <thread>
+#ifdef ENABLE_METRICS_PREVIEW
+#  include <gtest/gtest.h>
+#  include <thread>
 
-#include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
+#  include "opentelemetry/sdk/metrics/aggregator/min_max_sum_count_aggregator.h"
 
 using namespace opentelemetry::sdk::metrics;
 
@@ -200,4 +201,5 @@ TEST(MinMaxSumCountAggregator, Concurrency)
   ASSERT_EQ(value_set[1], 10000);
   ASSERT_EQ(value_set[2], 2 * 50005000);
   ASSERT_EQ(value_set[3], 2 * 10000);
-}
\ No newline at end of file
+}
+#endif
diff --git a/sdk/test/metrics/sketch_aggregator_test.cc b/sdk/test/metrics/sketch_aggregator_test.cc
index 7045fe393a..47c080236c 100644
--- a/sdk/test/metrics/sketch_aggregator_test.cc
+++ b/sdk/test/metrics/sketch_aggregator_test.cc
@@ -1,9 +1,10 @@
-#include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/aggregator/sketch_aggregator.h"
 
-#include <gtest/gtest.h>
-#include <iostream>
-#include <numeric>
-#include <thread>
+#  include <gtest/gtest.h>
+#  include <iostream>
+#  include <numeric>
+#  include <thread>
 
 namespace metrics_api = opentelemetry::metrics;
 
@@ -226,7 +227,7 @@ TEST(Sketch, Concurrency)
   EXPECT_EQ(alpha.get_boundaries(), beta.get_boundaries());
 }
 
-#if __EXCEPTIONS
+#  if __EXCEPTIONS
 
 TEST(Sketch, Errors)
 {
@@ -242,8 +243,9 @@ TEST(Sketch, Errors)
   EXPECT_ANY_THROW(tol1.get_quantiles(1.000001));
 }
 
-#endif
+#  endif
 
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
+#endif
diff --git a/sdk/test/metrics/ungrouped_processor_test.cc b/sdk/test/metrics/ungrouped_processor_test.cc
index 0ecff02659..2c8a368b91 100644
--- a/sdk/test/metrics/ungrouped_processor_test.cc
+++ b/sdk/test/metrics/ungrouped_processor_test.cc
@@ -1,8 +1,8 @@
-#include "opentelemetry/sdk/metrics/ungrouped_processor.h"
-#include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
-
-#include <gtest/gtest.h>
+#ifdef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/metrics/ungrouped_processor.h"
+#  include <gtest/gtest.h>
+#  include "opentelemetry/nostd/shared_ptr.h"
+#  include "opentelemetry/sdk/metrics/aggregator/counter_aggregator.h"
 
 namespace sdkmetrics  = opentelemetry::sdk::metrics;
 namespace metrics_api = opentelemetry::metrics;
@@ -620,3 +620,4 @@ TEST(UngroupedMetricsProcessor, UngroupedProcessorKeepsRecordInformationStateful
                 ->get_checkpoint(),
             test_aggregator->get_checkpoint());
 }
+#endif