diff --git a/src/async_wrap.cc b/src/async_wrap.cc
index ad150ff7b0ca13..42cddc52aed285 100644
--- a/src/async_wrap.cc
+++ b/src/async_wrap.cc
@@ -353,9 +353,8 @@ Local<FunctionTemplate> AsyncWrap::GetConstructorTemplate(
 }
 
 void AsyncWrap::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                           Local<FunctionTemplate> ctor) {
+                                           Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
 
   SetMethod(isolate, target, "setupHooks", SetupHooks);
   SetMethod(isolate, target, "setCallbackTrampoline", SetCallbackTrampoline);
diff --git a/src/async_wrap.h b/src/async_wrap.h
index ba0c1580db44a2..a91ab26d69bce4 100644
--- a/src/async_wrap.h
+++ b/src/async_wrap.h
@@ -149,8 +149,8 @@ class AsyncWrap : public BaseObject {
                                          v8::Local<v8::Value> unused,
                                          v8::Local<v8::Context> context,
                                          void* priv);
-  static void CreatePerIsolateProperties(
-      IsolateData* isolate_data, v8::Local<v8::FunctionTemplate> target);
+  static void CreatePerIsolateProperties(IsolateData* isolate_data,
+                                         v8::Local<v8::ObjectTemplate> target);
 
   static void GetAsyncId(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void PushAsyncContext(const v8::FunctionCallbackInfo<v8::Value>& args);
diff --git a/src/encoding_binding.cc b/src/encoding_binding.cc
index 38cb63d8a75643..0cf588295405ac 100644
--- a/src/encoding_binding.cc
+++ b/src/encoding_binding.cc
@@ -16,7 +16,6 @@ using v8::ArrayBuffer;
 using v8::BackingStore;
 using v8::Context;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::Isolate;
 using v8::Local;
 using v8::MaybeLocal;
@@ -219,9 +218,8 @@ void BindingData::ToUnicode(const v8::FunctionCallbackInfo<v8::Value>& args) {
 }
 
 void BindingData::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                             Local<FunctionTemplate> ctor) {
+                                             Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
   SetMethod(isolate, target, "encodeInto", EncodeInto);
   SetMethodNoSideEffect(isolate, target, "encodeUtf8String", EncodeUtf8String);
   SetMethodNoSideEffect(isolate, target, "decodeUTF8", DecodeUTF8);
diff --git a/src/encoding_binding.h b/src/encoding_binding.h
index 437aa9c5587918..2690cb74f8a05b 100644
--- a/src/encoding_binding.h
+++ b/src/encoding_binding.h
@@ -36,7 +36,7 @@ class BindingData : public SnapshotableObject {
   static void ToUnicode(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                         v8::Local<v8::FunctionTemplate> ctor);
+                                         v8::Local<v8::ObjectTemplate> target);
   static void CreatePerContextProperties(v8::Local<v8::Object> target,
                                          v8::Local<v8::Value> unused,
                                          v8::Local<v8::Context> context,
diff --git a/src/env-inl.h b/src/env-inl.h
index 7b135c7b83293a..43fc11217133c2 100644
--- a/src/env-inl.h
+++ b/src/env-inl.h
@@ -807,7 +807,7 @@ void Environment::set_process_exit_handler(
 #undef VY
 #undef VP
 
-#define VM(PropertyName) V(PropertyName##_binding, v8::FunctionTemplate)
+#define VM(PropertyName) V(PropertyName##_binding_template, v8::ObjectTemplate)
 #define V(PropertyName, TypeName)                                              \
   inline v8::Local<TypeName> IsolateData::PropertyName() const {               \
     return PropertyName##_.Get(isolate_);                                      \
diff --git a/src/env.cc b/src/env.cc
index ff8d3952cf20a3..61e334bb984a57 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -38,7 +38,6 @@ using v8::Context;
 using v8::EmbedderGraph;
 using v8::EscapableHandleScope;
 using v8::Function;
-using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::HeapProfiler;
 using v8::HeapSpaceStatistics;
@@ -49,6 +48,7 @@ using v8::MaybeLocal;
 using v8::NewStringType;
 using v8::Number;
 using v8::Object;
+using v8::ObjectTemplate;
 using v8::Private;
 using v8::Script;
 using v8::SnapshotCreator;
@@ -326,7 +326,7 @@ IsolateDataSerializeInfo IsolateData::Serialize(SnapshotCreator* creator) {
     info.primitive_values.push_back(creator->AddData(async_wrap_provider(i)));
 
   uint32_t id = 0;
-#define VM(PropertyName) V(PropertyName##_binding, FunctionTemplate)
+#define VM(PropertyName) V(PropertyName##_binding_template, ObjectTemplate)
 #define V(PropertyName, TypeName)                                              \
   do {                                                                         \
     Local<TypeName> field = PropertyName();                                    \
@@ -390,7 +390,7 @@ void IsolateData::DeserializeProperties(const IsolateDataSerializeInfo* info) {
   const std::vector<PropInfo>& values = info->template_values;
   i = 0;  // index to the array
   uint32_t id = 0;
-#define VM(PropertyName) V(PropertyName##_binding, FunctionTemplate)
+#define VM(PropertyName) V(PropertyName##_binding_template, ObjectTemplate)
 #define V(PropertyName, TypeName)                                              \
   do {                                                                         \
     if (values.size() > i && id == values[i].id) {                             \
@@ -491,10 +491,9 @@ void IsolateData::CreateProperties() {
   NODE_ASYNC_PROVIDER_TYPES(V)
 #undef V
 
-  Local<FunctionTemplate> templ = FunctionTemplate::New(isolate());
-  templ->InstanceTemplate()->SetInternalFieldCount(
-      BaseObject::kInternalFieldCount);
-  set_binding_data_ctor_template(templ);
+  Local<ObjectTemplate> templ = ObjectTemplate::New(isolate());
+  templ->SetInternalFieldCount(BaseObject::kInternalFieldCount);
+  set_binding_data_default_template(templ);
   binding::CreateInternalBindingTemplates(this);
 
   contextify::ContextifyContext::InitializeGlobalTemplates(this);
diff --git a/src/env.h b/src/env.h
index 354d0bf414c55a..b31cd12dfe2ec3 100644
--- a/src/env.h
+++ b/src/env.h
@@ -166,7 +166,7 @@ class NODE_EXTERN_PRIVATE IsolateData : public MemoryRetainer {
 #undef VS
 #undef VP
 
-#define VM(PropertyName) V(PropertyName##_binding, v8::FunctionTemplate)
+#define VM(PropertyName) V(PropertyName##_binding_template, v8::ObjectTemplate)
 #define V(PropertyName, TypeName)                                              \
   inline v8::Local<TypeName> PropertyName() const;                             \
   inline void set_##PropertyName(v8::Local<TypeName> value);
@@ -194,7 +194,7 @@ class NODE_EXTERN_PRIVATE IsolateData : public MemoryRetainer {
 #define VY(PropertyName, StringValue) V(v8::Symbol, PropertyName)
 #define VS(PropertyName, StringValue) V(v8::String, PropertyName)
 #define VR(PropertyName, TypeName) V(v8::Private, per_realm_##PropertyName)
-#define VM(PropertyName) V(v8::FunctionTemplate, PropertyName##_binding)
+#define VM(PropertyName) V(v8::ObjectTemplate, PropertyName##_binding_template)
 #define VT(PropertyName, TypeName) V(TypeName, PropertyName)
 #define V(TypeName, PropertyName)                                             \
   v8::Eternal<TypeName> PropertyName ## _;
diff --git a/src/env_properties.h b/src/env_properties.h
index 320d08d22577c8..c1160015e724a3 100644
--- a/src/env_properties.h
+++ b/src/env_properties.h
@@ -331,7 +331,7 @@
 #define PER_ISOLATE_TEMPLATE_PROPERTIES(V)                                     \
   V(async_wrap_ctor_template, v8::FunctionTemplate)                            \
   V(async_wrap_object_ctor_template, v8::FunctionTemplate)                     \
-  V(binding_data_ctor_template, v8::FunctionTemplate)                          \
+  V(binding_data_default_template, v8::ObjectTemplate)                         \
   V(blob_constructor_template, v8::FunctionTemplate)                           \
   V(blob_reader_constructor_template, v8::FunctionTemplate)                    \
   V(blocklist_constructor_template, v8::FunctionTemplate)                      \
diff --git a/src/node_binding.cc b/src/node_binding.cc
index cb27a497a3b6d1..e365bf1dbac5b4 100644
--- a/src/node_binding.cc
+++ b/src/node_binding.cc
@@ -101,7 +101,7 @@ NODE_BUILTIN_BINDINGS(V)
 
 #define V(modname)                                                             \
   void _register_isolate_##modname(node::IsolateData* isolate_data,            \
-                                   v8::Local<v8::FunctionTemplate> target);
+                                   v8::Local<v8::ObjectTemplate> target);
 NODE_BINDINGS_WITH_PER_ISOLATE_INIT(V)
 #undef V
 
@@ -235,11 +235,11 @@ using v8::Context;
 using v8::EscapableHandleScope;
 using v8::Exception;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::Isolate;
 using v8::Local;
 using v8::Object;
+using v8::ObjectTemplate;
 using v8::String;
 using v8::Value;
 
@@ -572,12 +572,11 @@ inline struct node_module* FindModule(struct node_module* list,
 void CreateInternalBindingTemplates(IsolateData* isolate_data) {
 #define V(modname)                                                             \
   do {                                                                         \
-    Local<FunctionTemplate> templ =                                            \
-        FunctionTemplate::New(isolate_data->isolate());                        \
-    templ->InstanceTemplate()->SetInternalFieldCount(                          \
-        BaseObject::kInternalFieldCount);                                      \
+    Local<ObjectTemplate> templ =                                              \
+        ObjectTemplate::New(isolate_data->isolate());                          \
+    templ->SetInternalFieldCount(BaseObject::kInternalFieldCount);             \
     _register_isolate_##modname(isolate_data, templ);                          \
-    isolate_data->set_##modname##_binding(templ);                              \
+    isolate_data->set_##modname##_binding_template(templ);                     \
   } while (0);
   NODE_BINDINGS_WITH_PER_ISOLATE_INIT(V)
 #undef V
@@ -586,21 +585,20 @@ void CreateInternalBindingTemplates(IsolateData* isolate_data) {
 static Local<Object> GetInternalBindingExportObject(IsolateData* isolate_data,
                                                     const char* mod_name,
                                                     Local<Context> context) {
-  Local<FunctionTemplate> ctor;
+  Local<ObjectTemplate> templ;
+
 #define V(name)                                                                \
   if (strcmp(mod_name, #name) == 0) {                                          \
-    ctor = isolate_data->name##_binding();                                     \
+    templ = isolate_data->name##_binding_template();                           \
   } else  // NOLINT(readability/braces)
   NODE_BINDINGS_WITH_PER_ISOLATE_INIT(V)
 #undef V
   {
-    ctor = isolate_data->binding_data_ctor_template();
+    // Default template.
+    templ = isolate_data->binding_data_default_template();
   }
 
-  Local<Object> obj = ctor->GetFunction(context)
-                          .ToLocalChecked()
-                          ->NewInstance(context)
-                          .ToLocalChecked();
+  Local<Object> obj = templ->NewInstance(context).ToLocalChecked();
   return obj;
 }
 
diff --git a/src/node_binding.h b/src/node_binding.h
index dd7667899e5a7f..9f0692ca4e190b 100644
--- a/src/node_binding.h
+++ b/src/node_binding.h
@@ -84,7 +84,7 @@ namespace node {
 // list.
 #define NODE_BINDING_PER_ISOLATE_INIT(modname, per_isolate_func)               \
   void _register_isolate_##modname(node::IsolateData* isolate_data,            \
-                                   v8::Local<v8::FunctionTemplate> target) {   \
+                                   v8::Local<v8::ObjectTemplate> target) {     \
     per_isolate_func(isolate_data, target);                                    \
   }
 
diff --git a/src/node_blob.cc b/src/node_blob.cc
index a7b83f088f0777..6130360cacc537 100644
--- a/src/node_blob.cc
+++ b/src/node_blob.cc
@@ -109,9 +109,8 @@ void BlobFromFilePath(const FunctionCallbackInfo<Value>& args) {
 }  // namespace
 
 void Blob::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                      Local<FunctionTemplate> ctor) {
+                                      Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
 
   SetMethod(isolate, target, "createBlob", New);
   SetMethod(isolate, target, "storeDataObject", StoreDataObject);
diff --git a/src/node_blob.h b/src/node_blob.h
index 96468534916e22..c601015d9af47b 100644
--- a/src/node_blob.h
+++ b/src/node_blob.h
@@ -27,7 +27,7 @@ class Blob : public BaseObject {
       ExternalReferenceRegistry* registry);
 
   static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                         v8::Local<v8::FunctionTemplate> ctor);
+                                         v8::Local<v8::ObjectTemplate> target);
   static void CreatePerContextProperties(v8::Local<v8::Object> target,
                                          v8::Local<v8::Value> unused,
                                          v8::Local<v8::Context> context,
diff --git a/src/node_builtins.cc b/src/node_builtins.cc
index fb4d53e0ce3ddb..8673142d1e5dfd 100644
--- a/src/node_builtins.cc
+++ b/src/node_builtins.cc
@@ -15,7 +15,6 @@ using v8::DEFAULT;
 using v8::EscapableHandleScope;
 using v8::Function;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::IntegrityLevel;
 using v8::Isolate;
 using v8::Local;
@@ -663,38 +662,37 @@ void BuiltinLoader::CopySourceAndCodeCacheReferenceFrom(
 }
 
 void BuiltinLoader::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                               Local<FunctionTemplate> target) {
+                                               Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> proto = target->PrototypeTemplate();
-
-  proto->SetAccessor(isolate_data->config_string(),
-                     ConfigStringGetter,
-                     nullptr,
-                     Local<Value>(),
-                     DEFAULT,
-                     None,
-                     SideEffectType::kHasNoSideEffect);
-
-  proto->SetAccessor(FIXED_ONE_BYTE_STRING(isolate, "builtinIds"),
-                     BuiltinIdsGetter,
-                     nullptr,
-                     Local<Value>(),
-                     DEFAULT,
-                     None,
-                     SideEffectType::kHasNoSideEffect);
-
-  proto->SetAccessor(FIXED_ONE_BYTE_STRING(isolate, "builtinCategories"),
-                     GetBuiltinCategories,
-                     nullptr,
-                     Local<Value>(),
-                     DEFAULT,
-                     None,
-                     SideEffectType::kHasNoSideEffect);
-
-  SetMethod(isolate, proto, "getCacheUsage", BuiltinLoader::GetCacheUsage);
-  SetMethod(isolate, proto, "compileFunction", BuiltinLoader::CompileFunction);
-  SetMethod(isolate, proto, "hasCachedBuiltins", HasCachedBuiltins);
-  SetMethod(isolate, proto, "setInternalLoaders", SetInternalLoaders);
+
+  target->SetAccessor(isolate_data->config_string(),
+                      ConfigStringGetter,
+                      nullptr,
+                      Local<Value>(),
+                      DEFAULT,
+                      None,
+                      SideEffectType::kHasNoSideEffect);
+
+  target->SetAccessor(FIXED_ONE_BYTE_STRING(isolate, "builtinIds"),
+                      BuiltinIdsGetter,
+                      nullptr,
+                      Local<Value>(),
+                      DEFAULT,
+                      None,
+                      SideEffectType::kHasNoSideEffect);
+
+  target->SetAccessor(FIXED_ONE_BYTE_STRING(isolate, "builtinCategories"),
+                      GetBuiltinCategories,
+                      nullptr,
+                      Local<Value>(),
+                      DEFAULT,
+                      None,
+                      SideEffectType::kHasNoSideEffect);
+
+  SetMethod(isolate, target, "getCacheUsage", BuiltinLoader::GetCacheUsage);
+  SetMethod(isolate, target, "compileFunction", BuiltinLoader::CompileFunction);
+  SetMethod(isolate, target, "hasCachedBuiltins", HasCachedBuiltins);
+  SetMethod(isolate, target, "setInternalLoaders", SetInternalLoaders);
 }
 
 void BuiltinLoader::CreatePerContextProperties(Local<Object> target,
diff --git a/src/node_builtins.h b/src/node_builtins.h
index 11af941780be90..3cfdf552a31b9a 100644
--- a/src/node_builtins.h
+++ b/src/node_builtins.h
@@ -84,8 +84,8 @@ class NODE_EXTERN_PRIVATE BuiltinLoader {
   BuiltinLoader& operator=(const BuiltinLoader&) = delete;
 
   static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
-  static void CreatePerIsolateProperties(
-      IsolateData* isolate_data, v8::Local<v8::FunctionTemplate> target);
+  static void CreatePerIsolateProperties(IsolateData* isolate_data,
+                                         v8::Local<v8::ObjectTemplate> target);
   static void CreatePerContextProperties(v8::Local<v8::Object> target,
                                          v8::Local<v8::Value> unused,
                                          v8::Local<v8::Context> context,
diff --git a/src/node_contextify.cc b/src/node_contextify.cc
index eb84d35985f769..75cb88fce8e8d3 100644
--- a/src/node_contextify.cc
+++ b/src/node_contextify.cc
@@ -1393,9 +1393,9 @@ void MicrotaskQueueWrap::RegisterExternalReferences(
 }
 
 void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                Local<FunctionTemplate> ctor) {
+                                Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
+
   ContextifyContext::CreatePerIsolateProperties(isolate_data, target);
   ContextifyScript::CreatePerIsolateProperties(isolate_data, target);
   MicrotaskQueueWrap::CreatePerIsolateProperties(isolate_data, target);
diff --git a/src/node_file.cc b/src/node_file.cc
index 9c69cdfc7ed821..5a92432019dbb1 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -2827,9 +2827,8 @@ InternalFieldInfoBase* BindingData::Serialize(int index) {
 }
 
 static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                       Local<FunctionTemplate> ctor) {
+                                       Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
 
   SetMethod(isolate, target, "access", Access);
   SetMethod(isolate, target, "close", Close);
@@ -2873,7 +2872,7 @@ static void CreatePerIsolateProperties(IsolateData* isolate_data,
 
   SetMethod(isolate, target, "mkdtemp", Mkdtemp);
 
-  StatWatcher::CreatePerIsolateProperties(isolate_data, ctor);
+  StatWatcher::CreatePerIsolateProperties(isolate_data, target);
 
   target->Set(
       FIXED_ONE_BYTE_STRING(isolate, "kFsStatsFieldsNumber"),
diff --git a/src/node_i18n.cc b/src/node_i18n.cc
index e60b58b57185ff..372df8d029fc4f 100644
--- a/src/node_i18n.cc
+++ b/src/node_i18n.cc
@@ -860,17 +860,16 @@ static void GetStringWidth(const FunctionCallbackInfo<Value>& args) {
 }
 
 static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                       Local<FunctionTemplate> target) {
+                                       Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> proto = target->PrototypeTemplate();
 
-  SetMethod(isolate, proto, "toUnicode", ToUnicode);
-  SetMethod(isolate, proto, "toASCII", ToASCII);
-  SetMethod(isolate, proto, "getStringWidth", GetStringWidth);
+  SetMethod(isolate, target, "toUnicode", ToUnicode);
+  SetMethod(isolate, target, "toASCII", ToASCII);
+  SetMethod(isolate, target, "getStringWidth", GetStringWidth);
 
   // One-shot converters
-  SetMethod(isolate, proto, "icuErrName", ICUErrorName);
-  SetMethod(isolate, proto, "transcode", Transcode);
+  SetMethod(isolate, target, "icuErrName", ICUErrorName);
+  SetMethod(isolate, target, "transcode", Transcode);
 
   // ConverterObject
   {
@@ -883,9 +882,9 @@ static void CreatePerIsolateProperties(IsolateData* isolate_data,
     isolate_data->set_i18n_converter_template(t->InstanceTemplate());
   }
 
-  SetMethod(isolate, proto, "getConverter", ConverterObject::Create);
-  SetMethod(isolate, proto, "decode", ConverterObject::Decode);
-  SetMethod(isolate, proto, "hasConverter", ConverterObject::Has);
+  SetMethod(isolate, target, "getConverter", ConverterObject::Create);
+  SetMethod(isolate, target, "decode", ConverterObject::Decode);
+  SetMethod(isolate, target, "hasConverter", ConverterObject::Has);
 }
 
 void CreatePerContextProperties(Local<Object> target,
diff --git a/src/node_perf.cc b/src/node_perf.cc
index 94773fa9e9fed6..555a90b0a76091 100644
--- a/src/node_perf.cc
+++ b/src/node_perf.cc
@@ -18,7 +18,6 @@ using v8::Context;
 using v8::DontDelete;
 using v8::Function;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::GCCallbackFlags;
 using v8::GCType;
 using v8::Int32;
@@ -296,28 +295,27 @@ void MarkBootstrapComplete(const FunctionCallbackInfo<Value>& args) {
 }
 
 static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                       Local<FunctionTemplate> target) {
+                                       Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> proto = target->PrototypeTemplate();
 
-  HistogramBase::Initialize(isolate_data, proto);
+  HistogramBase::Initialize(isolate_data, target);
 
-  SetMethod(isolate, proto, "markMilestone", MarkMilestone);
-  SetMethod(isolate, proto, "setupObservers", SetupPerformanceObservers);
+  SetMethod(isolate, target, "markMilestone", MarkMilestone);
+  SetMethod(isolate, target, "setupObservers", SetupPerformanceObservers);
   SetMethod(isolate,
-            proto,
+            target,
             "installGarbageCollectionTracking",
             InstallGarbageCollectionTracking);
   SetMethod(isolate,
-            proto,
+            target,
             "removeGarbageCollectionTracking",
             RemoveGarbageCollectionTracking);
-  SetMethod(isolate, proto, "notify", Notify);
-  SetMethod(isolate, proto, "loopIdleTime", LoopIdleTime);
-  SetMethod(isolate, proto, "getTimeOrigin", GetTimeOrigin);
-  SetMethod(isolate, proto, "getTimeOriginTimestamp", GetTimeOriginTimeStamp);
-  SetMethod(isolate, proto, "createELDHistogram", CreateELDHistogram);
-  SetMethod(isolate, proto, "markBootstrapComplete", MarkBootstrapComplete);
+  SetMethod(isolate, target, "notify", Notify);
+  SetMethod(isolate, target, "loopIdleTime", LoopIdleTime);
+  SetMethod(isolate, target, "getTimeOrigin", GetTimeOrigin);
+  SetMethod(isolate, target, "getTimeOriginTimestamp", GetTimeOriginTimeStamp);
+  SetMethod(isolate, target, "createELDHistogram", CreateELDHistogram);
+  SetMethod(isolate, target, "markBootstrapComplete", MarkBootstrapComplete);
 }
 
 void CreatePerContextProperties(Local<Object> target,
diff --git a/src/node_process_methods.cc b/src/node_process_methods.cc
index bd0ba33d7d8dd9..eca0b343baef3a 100644
--- a/src/node_process_methods.cc
+++ b/src/node_process_methods.cc
@@ -41,7 +41,6 @@ using v8::CFunction;
 using v8::Context;
 using v8::Float64Array;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::HeapStatistics;
 using v8::Integer;
 using v8::Isolate;
@@ -572,9 +571,8 @@ void BindingData::Deserialize(Local<Context> context,
 }
 
 static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                       Local<FunctionTemplate> ctor) {
+                                       Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
 
   BindingData::AddMethods(isolate, target);
   // define various internal methods
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index e5f6d0a60a3abb..9d27a7c66b2aa2 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -35,7 +35,6 @@ namespace node {
 using v8::Context;
 using v8::Function;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::Isolate;
 using v8::Local;
@@ -1325,9 +1324,8 @@ void CreatePerContextProperties(Local<Object> target,
 }
 
 void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                Local<FunctionTemplate> ctor) {
+                                Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->PrototypeTemplate();
   SetMethod(
       isolate, target, "getEmbedderEntryFunction", GetEmbedderEntryFunction);
   SetMethod(isolate, target, "compileSerializeMain", CompileSerializeMain);
diff --git a/src/node_stat_watcher.cc b/src/node_stat_watcher.cc
index 39a22eb2e1fca5..79a0b7ed9965a7 100644
--- a/src/node_stat_watcher.cc
+++ b/src/node_stat_watcher.cc
@@ -45,9 +45,8 @@ using v8::Uint32;
 using v8::Value;
 
 void StatWatcher::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                             Local<FunctionTemplate> ctor) {
+                                             Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
 
   Local<FunctionTemplate> t = NewFunctionTemplate(isolate, StatWatcher::New);
   t->InstanceTemplate()->SetInternalFieldCount(
diff --git a/src/node_stat_watcher.h b/src/node_stat_watcher.h
index cc76975ddb5653..b4341cd872439a 100644
--- a/src/node_stat_watcher.h
+++ b/src/node_stat_watcher.h
@@ -40,7 +40,7 @@ class ExternalReferenceRegistry;
 class StatWatcher : public HandleWrap {
  public:
   static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                         v8::Local<v8::FunctionTemplate> ctor);
+                                         v8::Local<v8::ObjectTemplate> ctor);
   static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
 
  protected:
diff --git a/src/node_url.cc b/src/node_url.cc
index c5e1be2131fd23..ef845c612ef464 100644
--- a/src/node_url.cc
+++ b/src/node_url.cc
@@ -19,7 +19,6 @@ using v8::CFunction;
 using v8::Context;
 using v8::FastOneByteString;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::Isolate;
 using v8::Local;
@@ -318,9 +317,8 @@ void BindingData::UpdateComponents(const ada::url_components& components,
 }
 
 void BindingData::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                             Local<FunctionTemplate> ctor) {
+                                             Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
   SetMethodNoSideEffect(isolate, target, "domainToASCII", DomainToASCII);
   SetMethodNoSideEffect(isolate, target, "domainToUnicode", DomainToUnicode);
   SetMethodNoSideEffect(isolate, target, "format", Format);
diff --git a/src/node_url.h b/src/node_url.h
index 04a57a9e2c413a..dffe4b63ef11ad 100644
--- a/src/node_url.h
+++ b/src/node_url.h
@@ -57,7 +57,7 @@ class BindingData : public SnapshotableObject {
   static void Update(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                         v8::Local<v8::FunctionTemplate> ctor);
+                                         v8::Local<v8::ObjectTemplate> ctor);
   static void CreatePerContextProperties(v8::Local<v8::Object> target,
                                          v8::Local<v8::Value> unused,
                                          v8::Local<v8::Context> context,
diff --git a/src/node_worker.cc b/src/node_worker.cc
index ed966073ec7286..34feb88cdb761e 100644
--- a/src/node_worker.cc
+++ b/src/node_worker.cc
@@ -902,9 +902,8 @@ void GetEnvMessagePort(const FunctionCallbackInfo<Value>& args) {
 }
 
 void CreateWorkerPerIsolateProperties(IsolateData* isolate_data,
-                                      Local<FunctionTemplate> target) {
+                                      Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> proto = target->PrototypeTemplate();
 
   {
     Local<FunctionTemplate> w = NewFunctionTemplate(isolate, Worker::New);
@@ -923,7 +922,7 @@ void CreateWorkerPerIsolateProperties(IsolateData* isolate_data,
     SetProtoMethod(isolate, w, "loopIdleTime", Worker::LoopIdleTime);
     SetProtoMethod(isolate, w, "loopStartTime", Worker::LoopStartTime);
 
-    SetConstructorFunction(isolate, proto, "Worker", w);
+    SetConstructorFunction(isolate, target, "Worker", w);
   }
 
   {
@@ -940,7 +939,7 @@ void CreateWorkerPerIsolateProperties(IsolateData* isolate_data,
         wst->InstanceTemplate());
   }
 
-  SetMethod(isolate, proto, "getEnvMessagePort", GetEnvMessagePort);
+  SetMethod(isolate, target, "getEnvMessagePort", GetEnvMessagePort);
 }
 
 void CreateWorkerPerContextProperties(Local<Object> target,
diff --git a/src/timers.cc b/src/timers.cc
index 8318894e33cb54..59b4770fa219e8 100644
--- a/src/timers.cc
+++ b/src/timers.cc
@@ -12,7 +12,6 @@ namespace timers {
 using v8::Context;
 using v8::Function;
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::Isolate;
 using v8::Local;
 using v8::Number;
@@ -123,9 +122,8 @@ v8::CFunction BindingData::fast_toggle_immediate_ref_(
     v8::CFunction::Make(FastToggleImmediateRef));
 
 void BindingData::CreatePerIsolateProperties(IsolateData* isolate_data,
-                                             Local<FunctionTemplate> ctor) {
+                                             Local<ObjectTemplate> target) {
   Isolate* isolate = isolate_data->isolate();
-  Local<ObjectTemplate> target = ctor->InstanceTemplate();
 
   SetMethod(isolate, target, "setupTimers", SetupTimers);
   SetFastMethod(
diff --git a/src/timers.h b/src/timers.h
index 61cc5d6bf8ed43..d514a70fc25990 100644
--- a/src/timers.h
+++ b/src/timers.h
@@ -46,7 +46,7 @@ class BindingData : public SnapshotableObject {
   static void ToggleImmediateRefImpl(BindingData* data, bool ref);
 
   static void CreatePerIsolateProperties(IsolateData* isolate_data,
-                                         v8::Local<v8::FunctionTemplate> ctor);
+                                         v8::Local<v8::ObjectTemplate> target);
   static void CreatePerContextProperties(v8::Local<v8::Object> target,
                                          v8::Local<v8::Value> unused,
                                          v8::Local<v8::Context> context,