diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
index e16cb596ee0e81..b0788f87da4990 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
@@ -55,8 +55,6 @@
 import com.facebook.react.bridge.CatalystInstanceImpl;
 import com.facebook.react.bridge.JSBundleLoader;
 import com.facebook.react.bridge.JSExceptionHandler;
-import com.facebook.react.bridge.JSIModulePackage;
-import com.facebook.react.bridge.JSIModuleType;
 import com.facebook.react.bridge.JavaJSExecutor;
 import com.facebook.react.bridge.JavaScriptExecutor;
 import com.facebook.react.bridge.JavaScriptExecutorFactory;
@@ -186,7 +184,6 @@ public interface ReactInstanceEventListener
   private volatile Boolean mHasStartedDestroying = false;
   private final MemoryPressureRouter mMemoryPressureRouter;
   private final @Nullable JSExceptionHandler mJSExceptionHandler;
-  private final @Nullable JSIModulePackage mJSIModulePackage;
   private final @Nullable UIManagerProvider mUIManagerProvider;
   private final @Nullable ReactPackageTurboModuleManagerDelegate.Builder mTMMDelegateBuilder;
   private List<ViewManager> mViewManagers;
@@ -235,7 +232,6 @@ public static ReactInstanceManagerBuilder builder() {
       @Nullable DevBundleDownloadListener devBundleDownloadListener,
       int minNumShakes,
       int minTimeLeftInFrameForNonBatchedOperationMs,
-      @Nullable JSIModulePackage jsiModulePackage,
       @Nullable UIManagerProvider uIManagerProvider,
       @Nullable Map<String, RequestHandler> customPackagerCommandHandlers,
       @Nullable ReactPackageTurboModuleManagerDelegate.Builder tmmDelegateBuilder,
@@ -296,7 +292,6 @@ public void invokeDefaultOnBackPressed() {
       }
       mPackages.addAll(packages);
     }
-    mJSIModulePackage = jsiModulePackage;
     mUIManagerProvider = uIManagerProvider;
 
     // Instantiate ReactChoreographer in UI thread.
@@ -1401,19 +1396,15 @@ private ReactApplicationContext createReactContext(
       }
     }
 
-    if (mJSIModulePackage != null) {
-      catalystInstance.addJSIModules(
-          mJSIModulePackage.getJSIModules(
-              reactContext, catalystInstance.getJavaScriptContextHolder()));
-    }
     if (mUIManagerProvider != null) {
       UIManager uiManager = mUIManagerProvider.createUIManager(reactContext);
       if (uiManager != null) {
+        catalystInstance.setFabricUIManager(uiManager);
+
+        // Initialize the UIManager
         uiManager.initialize();
         catalystInstance.setFabricUIManager(uiManager);
       }
-    } else if (ReactFeatureFlags.enableFabricRenderer) {
-      catalystInstance.getJSIModule(JSIModuleType.UIManager);
     }
     if (mBridgeIdleDebugListener != null) {
       catalystInstance.addBridgeIdleDebugListener(mBridgeIdleDebugListener);
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
index 3ae051fbfefad0..d467ab93d0a124 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
@@ -20,7 +20,6 @@
 import com.facebook.infer.annotation.Assertions;
 import com.facebook.react.bridge.JSBundleLoader;
 import com.facebook.react.bridge.JSExceptionHandler;
-import com.facebook.react.bridge.JSIModulePackage;
 import com.facebook.react.bridge.JavaScriptExecutorFactory;
 import com.facebook.react.bridge.NotThreadSafeBridgeIdleDebugListener;
 import com.facebook.react.bridge.UIManagerProvider;
@@ -68,7 +67,6 @@ public class ReactInstanceManagerBuilder {
   private @Nullable JavaScriptExecutorFactory mJavaScriptExecutorFactory;
   private int mMinNumShakes = 1;
   private int mMinTimeLeftInFrameForNonBatchedOperationMs = -1;
-  private @Nullable JSIModulePackage mJSIModulesPackage;
   private @Nullable UIManagerProvider mUIManagerProvider;
   private @Nullable Map<String, RequestHandler> mCustomPackagerCommandHandlers;
   private @Nullable ReactPackageTurboModuleManagerDelegate.Builder mTMMDelegateBuilder;
@@ -79,12 +77,6 @@ public class ReactInstanceManagerBuilder {
 
   /* package protected */ ReactInstanceManagerBuilder() {}
 
-  public ReactInstanceManagerBuilder setJSIModulesPackage(
-      @Nullable JSIModulePackage jsiModulePackage) {
-    mJSIModulesPackage = jsiModulePackage;
-    return this;
-  }
-
   /** Factory for desired implementation of JavaScriptExecutor. */
   public ReactInstanceManagerBuilder setJavaScriptExecutorFactory(
       @Nullable JavaScriptExecutorFactory javaScriptExecutorFactory) {
@@ -361,7 +353,6 @@ public ReactInstanceManager build() {
         mDevBundleDownloadListener,
         mMinNumShakes,
         mMinTimeLeftInFrameForNonBatchedOperationMs,
-        mJSIModulesPackage,
         mUIManagerProvider,
         mCustomPackagerCommandHandlers,
         mTMMDelegateBuilder,
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactNativeHost.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactNativeHost.java
index 3f1fb6f9462045..6551937866f7ed 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactNativeHost.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactNativeHost.java
@@ -10,7 +10,6 @@
 import android.app.Application;
 import androidx.annotation.Nullable;
 import com.facebook.infer.annotation.Assertions;
-import com.facebook.react.bridge.JSIModulePackage;
 import com.facebook.react.bridge.JavaScriptExecutorFactory;
 import com.facebook.react.bridge.ReactMarker;
 import com.facebook.react.bridge.ReactMarkerConstants;
@@ -85,7 +84,6 @@ protected ReactInstanceManager createReactInstanceManager() {
             .setLazyViewManagersEnabled(getLazyViewManagersEnabled())
             .setRedBoxHandler(getRedBoxHandler())
             .setJavaScriptExecutorFactory(getJavaScriptExecutorFactory())
-            .setJSIModulesPackage(getJSIModulePackage())
             .setUIManagerProvider(getUIManagerProvider())
             .setInitialLifecycleState(LifecycleState.BEFORE_CREATE)
             .setReactPackageTurboModuleManagerDelegateBuilder(
@@ -127,10 +125,6 @@ protected final Application getApplication() {
     return mApplication;
   }
 
-  protected @Nullable JSIModulePackage getJSIModulePackage() {
-    return null;
-  }
-
   protected @Nullable UIManagerProvider getUIManagerProvider() {
     return reactApplicationContext -> null;
   }