diff --git a/Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js b/Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js
index c83c52047a4a99..ba5fa68fc9bdf4 100644
--- a/Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js
+++ b/Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js
@@ -220,7 +220,7 @@ function setUpCollections(): void {
 function setUpDevTools(): void {
   if (__DEV__) {
     // not when debugging in chrome
-    if (!window.document) {
+    if (!window.document && require('Platform').OS === 'ios') {
       const setupDevtools = require('setupDevtools');
       setupDevtools();
     }
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/testing/FakeWebSocketModule.java b/ReactAndroid/src/androidTest/java/com/facebook/react/testing/FakeWebSocketModule.java
deleted file mode 100644
index 76c9edb2345a93..00000000000000
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/testing/FakeWebSocketModule.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/**
- * Copyright (c) 2014-present, Facebook, Inc.
- * All rights reserved.
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
-
-package com.facebook.react.testing;
-
-import javax.annotation.Nullable;
-
-import com.facebook.react.bridge.Arguments;
-import com.facebook.react.bridge.BaseJavaModule;
-import com.facebook.react.bridge.ReactMethod;
-import com.facebook.react.bridge.ReadableArray;
-import com.facebook.react.bridge.ReadableMap;
-import com.facebook.react.bridge.WritableMap;
-
-/**
- * Dummy implementation of storage module, used for testing
- */
-public final class FakeWebSocketModule extends BaseJavaModule {
-
-  private static WritableMap errorMessage;
-  static {
-    errorMessage = Arguments.createMap();
-    errorMessage.putString("message", "Fake Fake Web Socke tModule");
-  }
-
-  @Override
-  public String getName() {
-    return "WebSocketModule";
-  }
-
-  @Override
-  public boolean canOverrideExistingModule() {
-    return true;
-  }
-
-  @ReactMethod
-  public void connect(
-    final String url,
-    @Nullable final ReadableArray protocols,
-    @Nullable final ReadableMap headers,
-    final int id) {
-  }
-
-  @ReactMethod
-  public void close(int code, String reason, int id) {
-  }
-
-  @ReactMethod
-  public void send(String message, int id) {
-  }
-
-  @ReactMethod
-  public void sendBinary(String base64String, int id) {
-  }
-}
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactInstanceSpecForTest.java b/ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactInstanceSpecForTest.java
index bf179010b18312..b9de7a1e7726fa 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactInstanceSpecForTest.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/testing/ReactInstanceSpecForTest.java
@@ -9,7 +9,6 @@
 package com.facebook.react.testing;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
 import android.annotation.SuppressLint;
@@ -27,8 +26,7 @@
 @SuppressLint("JavatestsIncorrectFolder")
 public class ReactInstanceSpecForTest {
 
-  private final List<NativeModule> mNativeModules =
-    new ArrayList<NativeModule>(Arrays.asList(new FakeWebSocketModule()));
+  private final List<NativeModule> mNativeModules = new ArrayList<>();
   private final List<Class<? extends JavaScriptModule>> mJSModuleSpecs = new ArrayList<>();
   private final List<ViewManager> mViewManagers = new ArrayList<>();
   private ReactPackage mReactPackage = null;
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJSToJavaParametersTestCase.java b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJSToJavaParametersTestCase.java
index 06ff91a0cfa626..f6130be3aaec7f 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJSToJavaParametersTestCase.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJSToJavaParametersTestCase.java
@@ -30,7 +30,6 @@
 import com.facebook.react.bridge.WritableMap;
 import com.facebook.react.bridge.WritableNativeMap;
 import com.facebook.react.modules.systeminfo.AndroidInfoModule;
-import com.facebook.react.testing.FakeWebSocketModule;
 import com.facebook.react.testing.ReactIntegrationTestCase;
 import com.facebook.react.testing.ReactTestHelper;
 import com.facebook.react.uimanager.UIImplementation;
@@ -38,6 +37,8 @@
 import com.facebook.react.uimanager.ViewManager;
 import com.facebook.react.views.view.ReactViewManager;
 
+import org.junit.Ignore;
+
 /**
  * Integration test to verify passing various types of parameters from JS to Java works
  */
@@ -73,7 +74,7 @@ private interface TestJSToJavaParametersModule extends JavaScriptModule {
   @Override
   protected void setUp() throws Exception {
     super.setUp();
-
+    
     List<ViewManager> viewManagers = Arrays.<ViewManager>asList(
         new ReactViewManager());
     final UIManagerModule mUIManager = new UIManagerModule(
@@ -93,7 +94,6 @@ public void run() {
     mCatalystInstance = ReactTestHelper.catalystInstanceBuilder(this)
         .addNativeModule(mRecordingTestModule)
         .addNativeModule(new AndroidInfoModule())
-        .addNativeModule(new FakeWebSocketModule())
         .addNativeModule(mUIManager)
         .addJSModule(TestJSToJavaParametersModule.class)
         .build();
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJavaToJSArgumentsTestCase.java b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJavaToJSArgumentsTestCase.java
index 587f99121860ea..fd6b1d779b2d68 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJavaToJSArgumentsTestCase.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/CatalystNativeJavaToJSArgumentsTestCase.java
@@ -20,7 +20,6 @@
 import com.facebook.react.bridge.WritableNativeMap;
 import com.facebook.react.bridge.UiThreadUtil;
 import com.facebook.react.testing.AssertModule;
-import com.facebook.react.testing.FakeWebSocketModule;
 import com.facebook.react.testing.ReactIntegrationTestCase;
 import com.facebook.react.testing.ReactTestHelper;
 import com.facebook.react.uimanager.UIImplementation;
@@ -76,7 +75,6 @@ public void run() {
 
     mInstance = ReactTestHelper.catalystInstanceBuilder(this)
         .addNativeModule(mAssertModule)
-        .addNativeModule(new FakeWebSocketModule())
         .addJSModule(TestJavaToJSArgumentsModule.class)
         .addNativeModule(mUIManager)
         .build();
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/InitialPropsTestCase.java b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/InitialPropsTestCase.java
index 951c593533e453..6f532e15ce411c 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/InitialPropsTestCase.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/InitialPropsTestCase.java
@@ -12,7 +12,6 @@
 import android.test.ActivityInstrumentationTestCase2;
 
 import com.facebook.react.bridge.BaseJavaModule;
-import com.facebook.react.testing.FakeWebSocketModule;
 import com.facebook.react.testing.ReactInstanceSpecForTest;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.ReadableArray;
@@ -71,7 +70,6 @@ public void testInitialProps() throws Throwable {
           @Override
           public void run() {
             ReactInstanceSpecForTest catalystInstanceSpec = new ReactInstanceSpecForTest();
-            catalystInstanceSpec.addNativeModule(new FakeWebSocketModule());
             catalystInstanceSpec.addNativeModule(mRecordingModule);
             Bundle props = new Bundle();
             props.putString("key1", "string");
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/JSLocaleTest.java b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/JSLocaleTest.java
index d20b72fb47c613..370f353c322cf9 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/JSLocaleTest.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/JSLocaleTest.java
@@ -11,7 +11,6 @@
 import java.util.Arrays;
 import java.util.List;
 
-import com.facebook.react.testing.FakeWebSocketModule;
 import com.facebook.react.testing.ReactIntegrationTestCase;
 import com.facebook.react.testing.ReactTestHelper;
 import com.facebook.react.testing.StringRecordingModule;
@@ -60,9 +59,9 @@ public void run() {
     mInstance = ReactTestHelper.catalystInstanceBuilder(this)
         .addNativeModule(mStringRecordingModule)
         .addNativeModule(mUIManager)
-        .addNativeModule(new FakeWebSocketModule())
         .addJSModule(TestJSLocaleModule.class)
         .build();
+
   }
 
   public void testToUpper() {
@@ -101,4 +100,6 @@ public void testToLower() {
     assertEquals("γαζίες καὶ μυρτιὲς δὲν θὰ βρῶ πιὰ στὸ χρυσαφὶ ξέφωτο", answers[3]);
     assertEquals("chinese: 幓 厏吪吙 鈊釿閍 碞碠粻 曮禷", answers[4]);
   }
+
+
 }
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ProgressBarTestCase.java b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ProgressBarTestCase.java
index 0886f20fa4b0f5..b3282629bd11ce 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ProgressBarTestCase.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ProgressBarTestCase.java
@@ -30,7 +30,6 @@
 import com.facebook.react.uimanager.ViewManager;
 import com.facebook.react.views.progressbar.ReactProgressBarViewManager;
 import com.facebook.react.views.view.ReactViewManager;
-import com.facebook.react.testing.FakeWebSocketModule;
 import com.facebook.react.testing.ReactIntegrationTestCase;
 import com.facebook.react.testing.ReactTestHelper;
 
@@ -84,7 +83,6 @@ public void run() {
     mInstance = ReactTestHelper.catalystInstanceBuilder(this)
         .addNativeModule(mUIManager)
         .addNativeModule(new AndroidInfoModule())
-        .addNativeModule(new FakeWebSocketModule())
         .addJSModule(ProgressBarTestModule.class)
         .build();
 
diff --git a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ViewRenderingTestCase.java b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ViewRenderingTestCase.java
index 38fff46acd7dc7..f4f817c2b30482 100644
--- a/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ViewRenderingTestCase.java
+++ b/ReactAndroid/src/androidTest/java/com/facebook/react/tests/ViewRenderingTestCase.java
@@ -26,7 +26,6 @@
 import com.facebook.react.uimanager.ViewManager;
 import com.facebook.react.views.view.ReactViewGroup;
 import com.facebook.react.views.view.ReactViewManager;
-import com.facebook.react.testing.FakeWebSocketModule;
 import com.facebook.react.testing.ReactIntegrationTestCase;
 import com.facebook.react.testing.ReactTestHelper;
 
@@ -65,7 +64,6 @@ public void run() {
     mCatalystInstance = ReactTestHelper.catalystInstanceBuilder(this)
         .addNativeModule(uiManager)
         .addNativeModule(new AndroidInfoModule())
-        .addNativeModule(new FakeWebSocketModule())
         .addJSModule(ViewRenderingTestModule.class)
         .build();