diff --git a/api/include/opentelemetry/trace/experimental_semantic_conventions.h b/api/include/opentelemetry/trace/experimental_semantic_conventions.h
index d6d6bb7b95..a3eed553f2 100644
--- a/api/include/opentelemetry/trace/experimental_semantic_conventions.h
+++ b/api/include/opentelemetry/trace/experimental_semantic_conventions.h
@@ -7,7 +7,7 @@
 // https://github.com/open-telemetry/opentelemetry-specification/tree/v1.0.0/specification/trace/semantic_conventions
 // and MAY will change in future.
 
-#warning "This file is deprecated. Use opentelemetry/trace/semantic_conventions.h"
+// "This file is deprecated. Use opentelemetry/trace/semantic_conventions.h"
 
 #pragma once
 
diff --git a/sdk/include/opentelemetry/sdk/resource/experimental_semantic_conventions.h b/sdk/include/opentelemetry/sdk/resource/experimental_semantic_conventions.h
index f745cbda62..93f0f4e384 100644
--- a/sdk/include/opentelemetry/sdk/resource/experimental_semantic_conventions.h
+++ b/sdk/include/opentelemetry/sdk/resource/experimental_semantic_conventions.h
@@ -7,7 +7,7 @@
 // https://github.com/open-telemetry/opentelemetry-specification/tree/v1.0.0/specification/resource/semantic_conventions
 // and MAY will change in future.
 
-#warning "This file is deprecated. Use opentelemetry/sdk/resource/semantic_conventions.h"
+// "This file is deprecated. Use opentelemetry/sdk/resource/semantic_conventions.h"
 
 #pragma once