diff --git a/packages/react-native/ReactCommon/reactperflogger/fusebox/FuseboxTracer.h b/packages/react-native/ReactCommon/reactperflogger/fusebox/FuseboxTracer.h
index 7a96303cd9f9..baef0fbcd5aa 100644
--- a/packages/react-native/ReactCommon/reactperflogger/fusebox/FuseboxTracer.h
+++ b/packages/react-native/ReactCommon/reactperflogger/fusebox/FuseboxTracer.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/FrameworksGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #include "folly/json/dynamic.h"
 
diff --git a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/BridgeNativeModulePerfLogger.h b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/BridgeNativeModulePerfLogger.h
index d7efdb700c01..4ab1e1d763c8 100644
--- a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/BridgeNativeModulePerfLogger.h
+++ b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/BridgeNativeModulePerfLogger.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/FrameworksGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #include <memory>
 #include "NativeModulePerfLogger.h"
diff --git a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/FuseboxPerfettoDataSource.h b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/FuseboxPerfettoDataSource.h
index 1614b7361df3..2f715423ed44 100644
--- a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/FuseboxPerfettoDataSource.h
+++ b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/FuseboxPerfettoDataSource.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/FrameworksGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #ifdef WITH_PERFETTO
 
diff --git a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/HermesPerfettoDataSource.h b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/HermesPerfettoDataSource.h
index 080b00f191c2..69482daeb26d 100644
--- a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/HermesPerfettoDataSource.h
+++ b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/HermesPerfettoDataSource.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/FrameworksGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #ifdef WITH_PERFETTO
 
diff --git a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfetto.h b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfetto.h
index 8b2b4ed35dc7..03bab9103bf7 100644
--- a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfetto.h
+++ b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfetto.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/FrameworksGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #ifdef WITH_PERFETTO
 
diff --git a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfettoLogger.h b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfettoLogger.h
index 90029f541e4f..4a2f47fef990 100644
--- a/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfettoLogger.h
+++ b/packages/react-native/ReactCommon/reactperflogger/reactperflogger/ReactPerfettoLogger.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/FrameworksGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #include <React/Timing.h>
 #include <reactperflogger/ReactPerfettoCategories.h>
diff --git a/packages/react-native/ReactCommon/runtimeexecutor/React/RuntimeExecutor.h b/packages/react-native/ReactCommon/runtimeexecutor/React/RuntimeExecutor.h
index 7638f577a4ec..4741093c85aa 100644
--- a/packages/react-native/ReactCommon/runtimeexecutor/React/RuntimeExecutor.h
+++ b/packages/react-native/ReactCommon/runtimeexecutor/React/RuntimeExecutor.h
@@ -31,7 +31,6 @@
 #define RN_UMBRELLA_CONTEXT 1
 
 #include <ReactCommon/RuntimeExecutor.h>
-#include <ReactCommon/RuntimeExecutorSyncUIThreadUtils.h>
 
 #undef RN_UMBRELLA_CONTEXT
 #pragma pop_macro("RN_UMBRELLA_CONTEXT")
diff --git a/packages/react-native/ReactCommon/runtimeexecutor/platform/cxx/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h b/packages/react-native/ReactCommon/runtimeexecutor/platform/cxx/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h
index b00947293146..b9fd4122b16f 100644
--- a/packages/react-native/ReactCommon/runtimeexecutor/platform/cxx/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h
+++ b/packages/react-native/ReactCommon/runtimeexecutor/platform/cxx/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/UmbrellaGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #include <ReactCommon/RuntimeExecutor.h>
 
diff --git a/packages/react-native/ReactCommon/runtimeexecutor/platform/ios/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h b/packages/react-native/ReactCommon/runtimeexecutor/platform/ios/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h
index e4b5f5e2744b..cf0d18335661 100644
--- a/packages/react-native/ReactCommon/runtimeexecutor/platform/ios/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h
+++ b/packages/react-native/ReactCommon/runtimeexecutor/platform/ios/ReactCommon/RuntimeExecutorSyncUIThreadUtils.h
@@ -7,7 +7,7 @@
 
 #pragma once
 
-#include <react/cxxstableapi/UmbrellaGuard.h>
+#include <react/cxxstableapi/PrivateGuard.h>
 
 #include <ReactCommon/RuntimeExecutor.h>
 
diff --git a/scripts/cxx-api/api-snapshots/ReactAndroidFrameworksCxx.api b/scripts/cxx-api/api-snapshots/ReactAndroidFrameworksCxx.api
index c43062b40357..673786861aff 100644
--- a/scripts/cxx-api/api-snapshots/ReactAndroidFrameworksCxx.api
+++ b/scripts/cxx-api/api-snapshots/ReactAndroidFrameworksCxx.api
@@ -1987,16 +1987,6 @@ class facebook::react::FocusOrderingHelper {
   public static void traverseAndUpdateNextFocusableElement(const std::shared_ptr<const facebook::react::ShadowNode>& parentShadowNode, const std::shared_ptr<const facebook::react::ShadowNode>& focusedShadowNode, const std::shared_ptr<const facebook::react::ShadowNode>& currNode, facebook::react::FocusDirection focusDirection, const facebook::react::UIManager& uimanager, facebook::react::Rect sourceRect, std::optional<facebook::react::Rect>& nextRect, std::shared_ptr<const facebook::react::ShadowNode>& nextNode);
 }
 
-class facebook::react::FuseboxTracer {
-  public FuseboxTracer(const facebook::react::FuseboxTracer&) = delete;
-  public bool isTracing();
-  public bool startTracing();
-  public bool stopTracing(const std::function<void(const folly::dynamic& eventsChunk)>& resultCallback);
-  public bool stopTracingAndWriteToFile(const std::string& path);
-  public static facebook::react::FuseboxTracer& getFuseboxTracer();
-  public void addEvent(const std::string_view& name, uint64_t start, uint64_t end, const std::optional<std::string_view>& track);
-}
-
 class facebook::react::HermesInstance {
   public static std::unique_ptr<JSRuntime> createJSRuntime(std::shared_ptr<hermes::vm::CrashManager> crashManager, std::shared_ptr<facebook::react::MessageQueueThread> msgQueueThread, bool allocInOldGenBeforeTTI) noexcept;
 }
@@ -3392,12 +3382,6 @@ struct facebook::react::ReactInstance::JSRuntimeFlags {
   public const std::string runtimeDiagnosticFlags;
 }
 
-class facebook::react::ReactPerfettoLogger {
-  public static bool isTracing();
-  public static void mark(const std::string_view& eventName, facebook::react::HighResTimeStamp startTime, const std::optional<std::string_view>& trackName = std::nullopt, const std::optional<std::string_view>& trackGroup = std::nullopt);
-  public static void measure(const std::string_view& eventName, facebook::react::HighResTimeStamp startTime, facebook::react::HighResTimeStamp endTime, const std::optional<std::string_view>& trackName = std::nullopt, const std::optional<std::string_view>& trackGroup = std::nullopt);
-}
-
 class facebook::react::ReadableNativeArray : public jni::HybridClass<facebook::react::ReadableNativeArray, facebook::react::NativeArray> {
   protected friend HybridBase;
   public bool equals(jni::alias_ref<ReadableNativeArray::javaobject> other);
@@ -5755,13 +5739,6 @@ struct facebook::react::Bridging<void> {
   public static void fromJs(facebook::jsi::Runtime&, const facebook::jsi::Value&);
 }
 
-struct facebook::react::BufferEvent {
-  public std::string name;
-  public std::string track;
-  public uint64_t end;
-  public uint64_t start;
-}
-
 struct facebook::react::BundleHeader {
   public BundleHeader();
   public facebook::react::Magic32 magic32;
@@ -10049,49 +10026,6 @@ struct facebook::react::ReactMarker::ReactMarkerEvent {
 }
 
 
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallBatchPreprocessEnd(int batchSize);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallBatchPreprocessStart();
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallDispatch(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionArgConversionEnd(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionArgConversionStart(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionEnd(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionFail(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionStart(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallFail(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::disableLogging();
-void facebook::react::BridgeNativeModulePerfLogger::enableLogging(std::unique_ptr<facebook::react::NativeModulePerfLogger>&& logger);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateCacheHit(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateConstructEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateConstructStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateFail(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateSetUpEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateSetUpStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleDataCreateEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleDataCreateStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningCacheHit(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningEnd(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningFail(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningStart(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingEnd(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingFail(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingStart(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallExecutionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallExecutionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallFail(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallReturnConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallReturnConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallStart(const char* moduleName, const char* methodName);
-
-
 void facebook::react::LowPriorityExecutor::execute(std::function<void()>&& workItem);
 
 
diff --git a/scripts/cxx-api/api-snapshots/ReactAppleDebugCxx.api b/scripts/cxx-api/api-snapshots/ReactAppleDebugCxx.api
index b2cee85173bf..6d9c54f5efde 100644
--- a/scripts/cxx-api/api-snapshots/ReactAppleDebugCxx.api
+++ b/scripts/cxx-api/api-snapshots/ReactAppleDebugCxx.api
@@ -3383,7 +3383,6 @@ uint8_t facebook::react::blueFromColor(facebook::react::SharedColor color) noexc
 uint8_t facebook::react::greenFromColor(facebook::react::SharedColor color) noexcept;
 uint8_t facebook::react::redFromColor(facebook::react::SharedColor color) noexcept;
 void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(std::shared_ptr<const facebook::react::ComponentDescriptorProviderRegistry> registry);
-void facebook::react::executeSynchronouslyOnSameThread_CAN_DEADLOCK(const facebook::react::RuntimeExecutor& runtimeExecutor, std::function<void(facebook::jsi::Runtime&)>&& runtimeWork);
 void facebook::react::fromRawValue(const facebook::react::ContextContainer& contextContainer, int32_t surfaceId, const facebook::react::RawValue& value, facebook::react::SharedColor& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, YGValue& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, facebook::react::AccessibilityAction& result);
@@ -3437,7 +3436,6 @@ void facebook::react::serializeTransformAxis(const facebook::react::TransformOpe
 void facebook::react::serializeTransformOperationValue(const std::string& operationName, const facebook::react::ValueUnit& valueUnit, folly::dynamic& resultArray);
 void facebook::react::setDefaultColorSpace(facebook::react::ColorSpace newColorSpace);
 void facebook::react::setTouchPayloadOnObject(facebook::jsi::Object& object, facebook::jsi::Runtime& runtime, const facebook::react::BaseTouch& touch);
-void facebook::react::unsafeExecuteOnMainThreadSync(std::function<void()> work);
 void facebook::react::updateTransformProps(const facebook::react::Transform& transform, const facebook::react::TransformOperation& operation, folly::dynamic& resultTranslateArray);
 bool facebook::react::operator==(const facebook::react::LayoutConstraints& lhs, const facebook::react::LayoutConstraints& rhs);
 bool facebook::react::operator==(const facebook::react::LayoutContext& lhs, const facebook::react::LayoutContext& rhs);
diff --git a/scripts/cxx-api/api-snapshots/ReactAppleFrameworksCxx.api b/scripts/cxx-api/api-snapshots/ReactAppleFrameworksCxx.api
index a3bfd7f91a8a..5249d52cba13 100644
--- a/scripts/cxx-api/api-snapshots/ReactAppleFrameworksCxx.api
+++ b/scripts/cxx-api/api-snapshots/ReactAppleFrameworksCxx.api
@@ -3674,7 +3674,6 @@ void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(
 void facebook::react::bindNativeLogger(facebook::jsi::Runtime& runtime, facebook::react::Logger logger);
 void facebook::react::bindNativePerformanceNow(facebook::jsi::Runtime& runtime);
 void facebook::react::cloneProp(facebook::react::BaseViewProps& viewProps, const facebook::react::AnimatedPropBase& animatedProp);
-void facebook::react::executeSynchronouslyOnSameThread_CAN_DEADLOCK(const facebook::react::RuntimeExecutor& runtimeExecutor, std::function<void(facebook::jsi::Runtime&)>&& runtimeWork);
 void facebook::react::fromRawValue(const facebook::react::ContextContainer& contextContainer, int32_t surfaceId, const facebook::react::RawValue& value, facebook::react::SharedColor& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, YGValue& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, facebook::react::AccessibilityAction& result);
@@ -3763,7 +3762,6 @@ void facebook::react::serializeTransformAxis(const facebook::react::TransformOpe
 void facebook::react::serializeTransformOperationValue(const std::string& operationName, const facebook::react::ValueUnit& valueUnit, folly::dynamic& resultArray);
 void facebook::react::setDefaultColorSpace(facebook::react::ColorSpace newColorSpace);
 void facebook::react::setTouchPayloadOnObject(facebook::jsi::Object& object, facebook::jsi::Runtime& runtime, const facebook::react::BaseTouch& touch);
-void facebook::react::unsafeExecuteOnMainThreadSync(std::function<void()> work);
 void facebook::react::updateTransformProps(const facebook::react::Transform& transform, const facebook::react::TransformOperation& operation, folly::dynamic& resultTranslateArray);
 bool facebook::react::operator==(const facebook::react::AttributedStringBox& lhs, const facebook::react::AttributedStringBox& rhs);
 bool facebook::react::operator==(const facebook::react::LayoutConstraints& lhs, const facebook::react::LayoutConstraints& rhs);
@@ -4460,16 +4458,6 @@ class facebook::react::EventTarget {
   public void setEnabled(bool enabled);
 }
 
-class facebook::react::FuseboxTracer {
-  public FuseboxTracer(const facebook::react::FuseboxTracer&) = delete;
-  public bool isTracing();
-  public bool startTracing();
-  public bool stopTracing(const std::function<void(const folly::dynamic& eventsChunk)>& resultCallback);
-  public bool stopTracingAndWriteToFile(const std::string& path);
-  public static facebook::react::FuseboxTracer& getFuseboxTracer();
-  public void addEvent(const std::string_view& name, uint64_t start, uint64_t end, const std::optional<std::string_view>& track);
-}
-
 class facebook::react::HermesInstance {
   public static std::unique_ptr<facebook::react::JSRuntime> createJSRuntime(std::shared_ptr<hermes::vm::CrashManager> crashManager, std::shared_ptr<facebook::react::MessageQueueThread> msgQueueThread, bool allocInOldGenBeforeTTI) noexcept;
 }
@@ -5630,12 +5618,6 @@ struct facebook::react::ReactInstance::JSRuntimeFlags {
   public const std::string runtimeDiagnosticFlags;
 }
 
-class facebook::react::ReactPerfettoLogger {
-  public static bool isTracing();
-  public static void mark(const std::string_view& eventName, facebook::react::HighResTimeStamp startTime, const std::optional<std::string_view>& trackName = std::nullopt, const std::optional<std::string_view>& trackGroup = std::nullopt);
-  public static void measure(const std::string_view& eventName, facebook::react::HighResTimeStamp startTime, facebook::react::HighResTimeStamp endTime, const std::optional<std::string_view>& trackName = std::nullopt, const std::optional<std::string_view>& trackGroup = std::nullopt);
-}
-
 class facebook::react::RootProps : public facebook::react::HostPlatformViewProps {
   public RootProps() = default;
   public RootProps(const facebook::react::PropsParserContext& context, const facebook::react::RootProps& sourceProps, const facebook::react::LayoutConstraints& layoutConstraints, const facebook::react::LayoutContext& layoutContext);
@@ -7954,13 +7936,6 @@ struct facebook::react::Bridging<void> {
   public static void fromJs(facebook::jsi::Runtime&, const facebook::jsi::Value&);
 }
 
-struct facebook::react::BufferEvent {
-  public std::string name;
-  public std::string track;
-  public uint64_t end;
-  public uint64_t start;
-}
-
 struct facebook::react::BundleHeader {
   public BundleHeader();
   public facebook::react::Magic32 magic32;
@@ -11908,49 +11883,6 @@ struct facebook::react::ReactMarker::ReactMarkerEvent {
 }
 
 
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallBatchPreprocessEnd(int batchSize);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallBatchPreprocessStart();
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallDispatch(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionArgConversionEnd(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionArgConversionStart(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionEnd(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionFail(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionStart(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallFail(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::disableLogging();
-void facebook::react::BridgeNativeModulePerfLogger::enableLogging(std::unique_ptr<facebook::react::NativeModulePerfLogger>&& logger);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateCacheHit(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateConstructEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateConstructStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateFail(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateSetUpEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateSetUpStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleDataCreateEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleDataCreateStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningCacheHit(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningEnd(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningFail(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningStart(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingEnd(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingFail(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingStart(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallExecutionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallExecutionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallFail(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallReturnConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallReturnConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallStart(const char* moduleName, const char* methodName);
-
-
 void facebook::react::LowPriorityExecutor::execute(std::function<void()>&& workItem);
 
 
diff --git a/scripts/cxx-api/api-snapshots/ReactAppleNewarchCxx.api b/scripts/cxx-api/api-snapshots/ReactAppleNewarchCxx.api
index 14908f165160..97a071aeb942 100644
--- a/scripts/cxx-api/api-snapshots/ReactAppleNewarchCxx.api
+++ b/scripts/cxx-api/api-snapshots/ReactAppleNewarchCxx.api
@@ -3375,7 +3375,6 @@ uint8_t facebook::react::blueFromColor(facebook::react::SharedColor color) noexc
 uint8_t facebook::react::greenFromColor(facebook::react::SharedColor color) noexcept;
 uint8_t facebook::react::redFromColor(facebook::react::SharedColor color) noexcept;
 void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(std::shared_ptr<const facebook::react::ComponentDescriptorProviderRegistry> registry);
-void facebook::react::executeSynchronouslyOnSameThread_CAN_DEADLOCK(const facebook::react::RuntimeExecutor& runtimeExecutor, std::function<void(facebook::jsi::Runtime&)>&& runtimeWork);
 void facebook::react::fromRawValue(const facebook::react::ContextContainer& contextContainer, int32_t surfaceId, const facebook::react::RawValue& value, facebook::react::SharedColor& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, YGValue& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, facebook::react::AccessibilityAction& result);
@@ -3429,7 +3428,6 @@ void facebook::react::serializeTransformAxis(const facebook::react::TransformOpe
 void facebook::react::serializeTransformOperationValue(const std::string& operationName, const facebook::react::ValueUnit& valueUnit, folly::dynamic& resultArray);
 void facebook::react::setDefaultColorSpace(facebook::react::ColorSpace newColorSpace);
 void facebook::react::setTouchPayloadOnObject(facebook::jsi::Object& object, facebook::jsi::Runtime& runtime, const facebook::react::BaseTouch& touch);
-void facebook::react::unsafeExecuteOnMainThreadSync(std::function<void()> work);
 void facebook::react::updateTransformProps(const facebook::react::Transform& transform, const facebook::react::TransformOperation& operation, folly::dynamic& resultTranslateArray);
 bool facebook::react::operator==(const facebook::react::LayoutConstraints& lhs, const facebook::react::LayoutConstraints& rhs);
 bool facebook::react::operator==(const facebook::react::LayoutContext& lhs, const facebook::react::LayoutContext& rhs);
diff --git a/scripts/cxx-api/api-snapshots/ReactAppleReleaseCxx.api b/scripts/cxx-api/api-snapshots/ReactAppleReleaseCxx.api
index ea827a36dd01..56562e2ab9db 100644
--- a/scripts/cxx-api/api-snapshots/ReactAppleReleaseCxx.api
+++ b/scripts/cxx-api/api-snapshots/ReactAppleReleaseCxx.api
@@ -3383,7 +3383,6 @@ uint8_t facebook::react::blueFromColor(facebook::react::SharedColor color) noexc
 uint8_t facebook::react::greenFromColor(facebook::react::SharedColor color) noexcept;
 uint8_t facebook::react::redFromColor(facebook::react::SharedColor color) noexcept;
 void facebook::react::FBReactNativeSpec_registerComponentDescriptorsFromCodegen(std::shared_ptr<const facebook::react::ComponentDescriptorProviderRegistry> registry);
-void facebook::react::executeSynchronouslyOnSameThread_CAN_DEADLOCK(const facebook::react::RuntimeExecutor& runtimeExecutor, std::function<void(facebook::jsi::Runtime&)>&& runtimeWork);
 void facebook::react::fromRawValue(const facebook::react::ContextContainer& contextContainer, int32_t surfaceId, const facebook::react::RawValue& value, facebook::react::SharedColor& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, YGValue& result);
 void facebook::react::fromRawValue(const facebook::react::PropsParserContext& context, const facebook::react::RawValue& value, facebook::react::AccessibilityAction& result);
@@ -3437,7 +3436,6 @@ void facebook::react::serializeTransformAxis(const facebook::react::TransformOpe
 void facebook::react::serializeTransformOperationValue(const std::string& operationName, const facebook::react::ValueUnit& valueUnit, folly::dynamic& resultArray);
 void facebook::react::setDefaultColorSpace(facebook::react::ColorSpace newColorSpace);
 void facebook::react::setTouchPayloadOnObject(facebook::jsi::Object& object, facebook::jsi::Runtime& runtime, const facebook::react::BaseTouch& touch);
-void facebook::react::unsafeExecuteOnMainThreadSync(std::function<void()> work);
 void facebook::react::updateTransformProps(const facebook::react::Transform& transform, const facebook::react::TransformOperation& operation, folly::dynamic& resultTranslateArray);
 bool facebook::react::operator==(const facebook::react::LayoutConstraints& lhs, const facebook::react::LayoutConstraints& rhs);
 bool facebook::react::operator==(const facebook::react::LayoutContext& lhs, const facebook::react::LayoutContext& rhs);
diff --git a/scripts/cxx-api/api-snapshots/ReactCommonFrameworksCxx.api b/scripts/cxx-api/api-snapshots/ReactCommonFrameworksCxx.api
index cb763baece52..b06bd5429b23 100644
--- a/scripts/cxx-api/api-snapshots/ReactCommonFrameworksCxx.api
+++ b/scripts/cxx-api/api-snapshots/ReactCommonFrameworksCxx.api
@@ -1182,16 +1182,6 @@ class facebook::react::EventTarget {
   public void setEnabled(bool enabled);
 }
 
-class facebook::react::FuseboxTracer {
-  public FuseboxTracer(const facebook::react::FuseboxTracer&) = delete;
-  public bool isTracing();
-  public bool startTracing();
-  public bool stopTracing(const std::function<void(const folly::dynamic& eventsChunk)>& resultCallback);
-  public bool stopTracingAndWriteToFile(const std::string& path);
-  public static facebook::react::FuseboxTracer& getFuseboxTracer();
-  public void addEvent(const std::string_view& name, uint64_t start, uint64_t end, const std::optional<std::string_view>& track);
-}
-
 class facebook::react::HermesInstance {
   public static std::unique_ptr<JSRuntime> createJSRuntime(std::shared_ptr<hermes::vm::CrashManager> crashManager, std::shared_ptr<facebook::react::MessageQueueThread> msgQueueThread, bool allocInOldGenBeforeTTI) noexcept;
 }
@@ -2005,12 +1995,6 @@ struct facebook::react::ReactInstance::JSRuntimeFlags {
   public const std::string runtimeDiagnosticFlags;
 }
 
-class facebook::react::ReactPerfettoLogger {
-  public static bool isTracing();
-  public static void mark(const std::string_view& eventName, facebook::react::HighResTimeStamp startTime, const std::optional<std::string_view>& trackName = std::nullopt, const std::optional<std::string_view>& trackGroup = std::nullopt);
-  public static void measure(const std::string_view& eventName, facebook::react::HighResTimeStamp startTime, facebook::react::HighResTimeStamp endTime, const std::optional<std::string_view>& trackName = std::nullopt, const std::optional<std::string_view>& trackGroup = std::nullopt);
-}
-
 class facebook::react::RootProps : public facebook::react::HostPlatformViewProps {
   public RootProps() = default;
   public RootProps(const facebook::react::PropsParserContext& context, const facebook::react::RootProps& sourceProps, const facebook::react::LayoutConstraints& layoutConstraints, const facebook::react::LayoutContext& layoutContext);
@@ -4112,13 +4096,6 @@ struct facebook::react::Bridging<void> {
   public static void fromJs(facebook::jsi::Runtime&, const facebook::jsi::Value&);
 }
 
-struct facebook::react::BufferEvent {
-  public std::string name;
-  public std::string track;
-  public uint64_t end;
-  public uint64_t start;
-}
-
 struct facebook::react::BundleHeader {
   public BundleHeader();
   public facebook::react::Magic32 magic32;
@@ -7206,49 +7183,6 @@ struct facebook::react::ReactMarker::ReactMarkerEvent {
 }
 
 
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallBatchPreprocessEnd(int batchSize);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallBatchPreprocessStart();
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallDispatch(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionArgConversionEnd(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionArgConversionStart(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionEnd(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionFail(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallExecutionStart(const char* moduleName, const char* methodName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallFail(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::asyncMethodCallStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::disableLogging();
-void facebook::react::BridgeNativeModulePerfLogger::enableLogging(std::unique_ptr<facebook::react::NativeModulePerfLogger>&& logger);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateCacheHit(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateConstructEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateConstructStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateFail(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateSetUpEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateSetUpStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleCreateStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleDataCreateEnd(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleDataCreateStart(const char* moduleName, int32_t id);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningCacheHit(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningEnd(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningFail(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireBeginningStart(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingEnd(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingFail(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::moduleJSRequireEndingStart(const char* moduleName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallExecutionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallExecutionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallFail(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallReturnConversionEnd(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallReturnConversionStart(const char* moduleName, const char* methodName);
-void facebook::react::BridgeNativeModulePerfLogger::syncMethodCallStart(const char* moduleName, const char* methodName);
-
-
 void facebook::react::TurboModulePerfLogger::asyncMethodCallArgConversionEnd(const char* moduleName, const char* methodName);
 void facebook::react::TurboModulePerfLogger::asyncMethodCallArgConversionStart(const char* moduleName, const char* methodName);
 void facebook::react::TurboModulePerfLogger::asyncMethodCallBatchPreprocessEnd(int batchSize);