diff --git a/change/react-native-windows-52337040-5c5b-4959-95a9-dbf95dd45e4d.json b/change/react-native-windows-52337040-5c5b-4959-95a9-dbf95dd45e4d.json
new file mode 100644
index 00000000000..144d17a84b3
--- /dev/null
+++ b/change/react-native-windows-52337040-5c5b-4959-95a9-dbf95dd45e4d.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Delete member facebook::react::DevSettings::useWebSocketTurboModule",
+  "packageName": "react-native-windows",
+  "email": "julio.rocha@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Shared/DevSettings.h b/vnext/Shared/DevSettings.h
index adb4427ff55..3687f686698 100644
--- a/vnext/Shared/DevSettings.h
+++ b/vnext/Shared/DevSettings.h
@@ -86,9 +86,6 @@ struct DevSettings {
 
   bool enableDefaultCrashHandler{false};
 
-  // OC:8368383 - Memory leak under investigation.
-  bool useWebSocketTurboModule{false};
-
   // Enable concurrent mode by installing runtimeScheduler
   bool useRuntimeScheduler{false};
 
diff --git a/vnext/Shared/Modules/WebSocketModule.cpp b/vnext/Shared/Modules/WebSocketModule.cpp
index d4fe2e5f566..7b0f5bb12a9 100644
--- a/vnext/Shared/Modules/WebSocketModule.cpp
+++ b/vnext/Shared/Modules/WebSocketModule.cpp
@@ -4,7 +4,6 @@
 #include "pch.h"
 
 #include <Modules/WebSocketModule.h>
-#include <Modules/WebSocketTurboModule.h>
 
 #include <CreateModules.h>
 #include <Modules/CxxModuleUtilities.h>
diff --git a/vnext/Shared/Modules/WebSocketModule.h b/vnext/Shared/Modules/WebSocketModule.h
index 737fe8dbd89..1bdce325438 100644
--- a/vnext/Shared/Modules/WebSocketModule.h
+++ b/vnext/Shared/Modules/WebSocketModule.h
@@ -3,10 +3,69 @@
 
 #pragma once
 
+#include <codegen/NativeWebSocketModuleSpec.g.h>
 #include <Modules/IWebSocketModuleProxy.h>
+#include <NativeModules.h>
 #include <Networking/IWebSocketResource.h>
 
-// Windows API
-#include <winrt/Windows.Foundation.h>
+namespace Microsoft::React {
 
-namespace Microsoft::React {} // namespace Microsoft::React
+class WebSocketTurboModuleProxy final : public IWebSocketModuleProxy {
+  std::unordered_map<double, std::shared_ptr<Networking::IWebSocketResource>> &m_resourceMap;
+
+ public:
+  WebSocketTurboModuleProxy(
+      std::unordered_map<double, std::shared_ptr<Networking::IWebSocketResource>> &resourceMap) noexcept;
+
+#pragma region IWebSocketModuleProxy
+
+  void SendBinary(std::string &&base64String, int64_t id) noexcept override;
+
+#pragma endregion
+};
+
+REACT_MODULE(WebSocketTurboModule, L"WebSocketModule")
+struct WebSocketTurboModule {
+  using ModuleSpec = ReactNativeSpecs::WebSocketModuleSpec;
+
+  REACT_INIT(Initialize)
+  void Initialize(winrt::Microsoft::ReactNative::ReactContext const &reactContext) noexcept;
+
+  REACT_METHOD(Connect, L"connect")
+  void Connect(
+      std::string &&url,
+      std::optional<std::vector<std::string>> protocols,
+      ReactNativeSpecs::WebSocketModuleSpec_connect_options &&options,
+      double socketID) noexcept;
+
+  REACT_METHOD(Close, L"close")
+  void Close(double code, std::string &&reason, double socketID) noexcept;
+
+  REACT_METHOD(Send, L"send")
+  void Send(std::string &&message, double forSocketID) noexcept;
+
+  REACT_METHOD(SendBinary, L"sendBinary")
+  void SendBinary(std::string &&base64String, double forSocketID) noexcept;
+
+  REACT_METHOD(Ping, L"ping")
+  void Ping(double socketID) noexcept;
+
+  REACT_METHOD(AddListener, L"addListener")
+  void AddListener(std::string &&eventName) noexcept;
+
+  REACT_METHOD(RemoveListeners, L"removeListeners")
+  void RemoveListeners(double count) noexcept;
+
+ private:
+  std::shared_ptr<Networking::IWebSocketResource> CreateResource(int64_t id, std::string &&url) noexcept;
+
+  winrt::Microsoft::ReactNative::ReactContext m_context;
+  std::unordered_map<double, std::shared_ptr<Networking::IWebSocketResource>> m_resourceMap;
+
+  /// <summary>
+  /// Exposes a subset of the module's methods.
+  /// </summary>
+  std::shared_ptr<IWebSocketModuleProxy> m_proxy;
+};
+
+} // namespace Microsoft::React
diff --git a/vnext/Shared/Modules/WebSocketTurboModule.h b/vnext/Shared/Modules/WebSocketTurboModule.h
deleted file mode 100644
index 1bdce325438..00000000000
--- a/vnext/Shared/Modules/WebSocketTurboModule.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright (c) Microsoft Corporation.
-// Licensed under the MIT License.
-
-#pragma once
-
-#include <codegen/NativeWebSocketModuleSpec.g.h>
-#include <Modules/IWebSocketModuleProxy.h>
-#include <NativeModules.h>
-#include <Networking/IWebSocketResource.h>
-
-namespace Microsoft::React {
-
-class WebSocketTurboModuleProxy final : public IWebSocketModuleProxy {
-  std::unordered_map<double, std::shared_ptr<Networking::IWebSocketResource>> &m_resourceMap;
-
- public:
-  WebSocketTurboModuleProxy(
-      std::unordered_map<double, std::shared_ptr<Networking::IWebSocketResource>> &resourceMap) noexcept;
-
-#pragma region IWebSocketModuleProxy
-
-  void SendBinary(std::string &&base64String, int64_t id) noexcept override;
-
-#pragma endregion
-};
-
-REACT_MODULE(WebSocketTurboModule, L"WebSocketModule")
-struct WebSocketTurboModule {
-  using ModuleSpec = ReactNativeSpecs::WebSocketModuleSpec;
-
-  REACT_INIT(Initialize)
-  void Initialize(winrt::Microsoft::ReactNative::ReactContext const &reactContext) noexcept;
-
-  REACT_METHOD(Connect, L"connect")
-  void Connect(
-      std::string &&url,
-      std::optional<std::vector<std::string>> protocols,
-      ReactNativeSpecs::WebSocketModuleSpec_connect_options &&options,
-      double socketID) noexcept;
-
-  REACT_METHOD(Close, L"close")
-  void Close(double code, std::string &&reason, double socketID) noexcept;
-
-  REACT_METHOD(Send, L"send")
-  void Send(std::string &&message, double forSocketID) noexcept;
-
-  REACT_METHOD(SendBinary, L"sendBinary")
-  void SendBinary(std::string &&base64String, double forSocketID) noexcept;
-
-  REACT_METHOD(Ping, L"ping")
-  void Ping(double socketID) noexcept;
-
-  REACT_METHOD(AddListener, L"addListener")
-  void AddListener(std::string &&eventName) noexcept;
-
-  REACT_METHOD(RemoveListeners, L"removeListeners")
-  void RemoveListeners(double count) noexcept;
-
- private:
-  std::shared_ptr<Networking::IWebSocketResource> CreateResource(int64_t id, std::string &&url) noexcept;
-
-  winrt::Microsoft::ReactNative::ReactContext m_context;
-  std::unordered_map<double, std::shared_ptr<Networking::IWebSocketResource>> m_resourceMap;
-
-  /// <summary>
-  /// Exposes a subset of the module's methods.
-  /// </summary>
-  std::shared_ptr<IWebSocketModuleProxy> m_proxy;
-};
-
-} // namespace Microsoft::React
diff --git a/vnext/Shared/Shared.vcxitems b/vnext/Shared/Shared.vcxitems
index bfa815264f4..6e400cfd283 100644
--- a/vnext/Shared/Shared.vcxitems
+++ b/vnext/Shared/Shared.vcxitems
@@ -325,7 +325,6 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)Modules\IWebSocketModuleContentHandler.h" />
     <ClInclude Include="$(MSBuildThisFileDirectory)Modules\IWebSocketModuleProxy.h" />
     <ClInclude Include="$(MSBuildThisFileDirectory)Modules\HttpModule.h" />
-    <ClInclude Include="$(MSBuildThisFileDirectory)Modules\WebSocketTurboModule.h" />
     <ClInclude Include="$(MSBuildThisFileDirectory)Networking\DefaultBlobResource.h" />
     <ClInclude Include="$(MSBuildThisFileDirectory)Networking\IBlobResource.h" />
     <ClInclude Include="$(MSBuildThisFileDirectory)Networking\IHttpResource.h" />
@@ -451,7 +450,7 @@
     <CLCompile Include="$(ReactNativeDir)\ReactCommon\react\nativemodule\featureflags\NativeReactNativeFeatureFlags.cpp" />
     <CLCompile Include="$(ReactNativeDir)\ReactCommon\react\nativemodule\dom\NativeDOM.cpp" DisableSpecificWarnings="4715;%(DisableSpecificWarnings)" />
     <CLCompile Include="$(ReactNativeDir)\ReactCommon\react\nativemodule\idlecallbacks\NativeIdleCallbacks.cpp" />
-    <CLCompile Include="$(ReactNativeDir)\ReactCommon\react\nativemodule\webperformance\NativePerformance.cpp" />    
+    <CLCompile Include="$(ReactNativeDir)\ReactCommon\react\nativemodule\webperformance\NativePerformance.cpp" />
     <ClCompile Include="$(ReactNativeDir)\ReactCommon\react\renderer\attributedstring\AttributedString.cpp" />
     <ClCompile Include="$(ReactNativeDir)\ReactCommon\react\renderer\attributedstring\AttributedStringBox.cpp" DisableSpecificWarnings="4715;%(DisableSpecificWarnings)" />
     <ClCompile Include="$(ReactNativeDir)\ReactCommon\react\renderer\components\view\BaseViewProps.cpp" DisableSpecificWarnings="4459;4715;%(DisableSpecificWarnings)" />
diff --git a/vnext/Shared/Shared.vcxitems.filters b/vnext/Shared/Shared.vcxitems.filters
index 2fb11463145..6a8f982e528 100644
--- a/vnext/Shared/Shared.vcxitems.filters
+++ b/vnext/Shared/Shared.vcxitems.filters
@@ -726,7 +726,6 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)..\Microsoft.ReactNative\Fabric\platform\react\renderer\core\graphicsConversions.h">
       <Filter>Header Files\Fabric\platform\react\renderer\core</Filter>
     </ClInclude>
-    <ClInclude Include="$(MSBuildThisFileDirectory)Modules\WebSocketTurboModule.h">
       <Filter>Header Files\Modules</Filter>
     </ClInclude>
     <ClInclude Include="$(MSBuildThisFileDirectory)Networking\IBlobResource.h">