diff --git a/packages/react-native/Libraries/AppDelegate/RCTAppDelegate.mm b/packages/react-native/Libraries/AppDelegate/RCTAppDelegate.mm
index 924664e6cd6a40..13aee73117cb1f 100644
--- a/packages/react-native/Libraries/AppDelegate/RCTAppDelegate.mm
+++ b/packages/react-native/Libraries/AppDelegate/RCTAppDelegate.mm
@@ -81,7 +81,6 @@ - (instancetype)init
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
   BOOL enableTM = self.turboModuleEnabled;
-  ;
   BOOL enableBridgeless = self.bridgelessEnabled;
   BOOL fabricEnabled = self.fabricEnabled;
 
@@ -112,14 +111,14 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     if (!self.bridge) {
       self.bridge = [self createBridgeWithDelegate:self launchOptions:launchOptions];
     }
-#if RCT_NEW_ARCH_ENABLED
-    self.bridgeAdapter = [[RCTSurfacePresenterBridgeAdapter alloc] initWithBridge:self.bridge
-                                                                 contextContainer:_contextContainer];
-    self.bridge.surfacePresenter = self.bridgeAdapter.surfacePresenter;
+    if ([self newArchEnabled]) {
+      self.bridgeAdapter = [[RCTSurfacePresenterBridgeAdapter alloc] initWithBridge:self.bridge
+                                                                   contextContainer:_contextContainer];
+      self.bridge.surfacePresenter = self.bridgeAdapter.surfacePresenter;
 
-    [self unstable_registerLegacyComponents];
-    [RCTComponentViewFactory currentComponentViewFactory].thirdPartyFabricComponentsProvider = self;
-#endif
+      [self unstable_registerLegacyComponents];
+      [RCTComponentViewFactory currentComponentViewFactory].thirdPartyFabricComponentsProvider = self;
+    }
 
     rootView = [self createRootViewWithBridge:self.bridge moduleName:self.moduleName initProps:initProps];
   }
@@ -190,38 +189,39 @@ - (void)windowScene:(UIWindowScene *)windowScene
 - (std::unique_ptr<facebook::react::JSExecutorFactory>)jsExecutorFactoryForBridge:(RCTBridge *)bridge
 {
   _runtimeScheduler = std::make_shared<facebook::react::RuntimeScheduler>(RCTRuntimeExecutorFromBridge(bridge));
-#if RCT_NEW_ARCH_ENABLED
-  std::shared_ptr<facebook::react::CallInvoker> callInvoker =
-      std::make_shared<facebook::react::RuntimeSchedulerCallInvoker>(_runtimeScheduler);
-  RCTTurboModuleManager *turboModuleManager = [[RCTTurboModuleManager alloc] initWithBridge:bridge
-                                                                                   delegate:self
-                                                                                  jsInvoker:callInvoker];
-  _contextContainer->erase("RuntimeScheduler");
-  _contextContainer->insert("RuntimeScheduler", _runtimeScheduler);
-  return RCTAppSetupDefaultJsExecutorFactory(bridge, turboModuleManager, _runtimeScheduler);
-#else
-  return RCTAppSetupJsExecutorFactoryForOldArch(bridge, _runtimeScheduler);
-#endif
+  if ([self newArchEnabled]) {
+    std::shared_ptr<facebook::react::CallInvoker> callInvoker =
+        std::make_shared<facebook::react::RuntimeSchedulerCallInvoker>(_runtimeScheduler);
+    RCTTurboModuleManager *turboModuleManager = [[RCTTurboModuleManager alloc] initWithBridge:bridge
+                                                                                     delegate:self
+                                                                                    jsInvoker:callInvoker];
+    _contextContainer->erase("RuntimeScheduler");
+    _contextContainer->insert("RuntimeScheduler", _runtimeScheduler);
+    return RCTAppSetupDefaultJsExecutorFactory(bridge, turboModuleManager, _runtimeScheduler);
+  } else {
+    return RCTAppSetupJsExecutorFactoryForOldArch(bridge, _runtimeScheduler);
+  }
 }
 
 #pragma mark - New Arch Enabled settings
 
-- (BOOL)turboModuleEnabled
+- (BOOL)newArchEnabled
 {
-#if RCT_NEW_ARCH_ENABLED
+#if USE_NEW_ARCH
   return YES;
 #else
   return NO;
 #endif
 }
 
+- (BOOL)turboModuleEnabled
+{
+  return [self newArchEnabled];
+}
+
 - (BOOL)fabricEnabled
 {
-#if RCT_NEW_ARCH_ENABLED
-  return YES;
-#else
-  return NO;
-#endif
+  return [self newArchEnabled];
 }
 
 - (BOOL)bridgelessEnabled
diff --git a/packages/react-native/Libraries/AppDelegate/React-RCTAppDelegate.podspec b/packages/react-native/Libraries/AppDelegate/React-RCTAppDelegate.podspec
index ad7fee87cfe967..fe4a4bbd021528 100644
--- a/packages/react-native/Libraries/AppDelegate/React-RCTAppDelegate.podspec
+++ b/packages/react-native/Libraries/AppDelegate/React-RCTAppDelegate.podspec
@@ -19,10 +19,10 @@ end
 folly_flags = ' -DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -DFOLLY_CFG_NO_COROUTINES=1 -DFOLLY_HAVE_CLOCK_GETTIME=1'
 folly_compiler_flags = folly_flags + ' ' + '-Wno-comma -Wno-shorten-64-to-32'
 
-is_new_arch_enabled = ENV["RCT_NEW_ARCH_ENABLED"] == "1"
+is_new_arch_enabled = ENV["USE_NEW_ARCH"] == "1"
 use_hermes =  ENV['USE_HERMES'] == nil || ENV['USE_HERMES'] == '1'
 
-new_arch_enabled_flag = (is_new_arch_enabled ? " -DRCT_NEW_ARCH_ENABLED" : "")
+new_arch_enabled_flag = (is_new_arch_enabled ? " -DUSE_NEW_ARCH" : "")
 is_fabric_enabled = is_new_arch_enabled || ENV["RCT_FABRIC_ENABLED"]
 hermes_flag = (use_hermes ? " -DUSE_HERMES" : "")
 other_cflags = "$(inherited)" + folly_flags + new_arch_enabled_flag + hermes_flag
diff --git a/packages/react-native/scripts/react_native_pods.rb b/packages/react-native/scripts/react_native_pods.rb
index f0a0ba120cfcba..a2a6e1d23e7305 100644
--- a/packages/react-native/scripts/react_native_pods.rb
+++ b/packages/react-native/scripts/react_native_pods.rb
@@ -93,9 +93,10 @@ def use_react_native! (
   # Better to rely and enable this environment flag if the new architecture is turned on using flags.
   relative_path_from_current = Pod::Config.instance.installation_root.relative_path_from(Pathname.pwd)
   react_native_version = NewArchitectureHelper.extract_react_native_version(File.join(relative_path_from_current, path))
-  ENV['RCT_NEW_ARCH_ENABLED'] = NewArchitectureHelper.compute_new_arch_enabled(new_arch_enabled, react_native_version)
-
+  ENV['USE_NEW_ARCH'] = NewArchitectureHelper.compute_new_arch_enabled(new_arch_enabled, react_native_version)
   fabric_enabled = fabric_enabled || NewArchitectureHelper.new_arch_enabled
+
+  ENV['RCT_NEW_ARCH_ENABLED'] = "1"
   ENV['RCT_FABRIC_ENABLED'] = fabric_enabled ? "1" : "0"
   ENV['USE_HERMES'] = hermes_enabled ? "1" : "0"