diff --git a/ReactAndroid/src/main/java/com/facebook/react/flat/FlatViewManager.java b/ReactAndroid/src/main/java/com/facebook/react/flat/FlatViewManager.java
index ab92cf740..dd807c80a 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/flat/FlatViewManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/flat/FlatViewManager.java
@@ -10,9 +10,9 @@
 package com.facebook.react.flat;
 
 import com.facebook.react.uimanager.ThemedReactContext;
-import com.facebook.react.uimanager.BaseViewManager;
+import com.facebook.react.uimanager.ViewGroupManager;
 
-abstract class FlatViewManager<C extends FlatShadowNode> extends BaseViewManager<FlatViewGroup, C> {
+abstract class FlatViewManager extends ViewGroupManager<FlatViewGroup> {
 
   @Override
   protected FlatViewGroup createViewInstance(ThemedReactContext reactContext) {
@@ -23,8 +23,4 @@ abstract class FlatViewManager<C extends FlatShadowNode> extends BaseViewManager
   public void setBackgroundColor(FlatViewGroup view, int backgroundColor) {
     // suppress
   }
-
-  @Override
-  public void updateExtraData(FlatViewGroup root, Object extraData) {
-  }
 }
diff --git a/ReactAndroid/src/main/java/com/facebook/react/flat/RCTImageViewManager.java b/ReactAndroid/src/main/java/com/facebook/react/flat/RCTImageViewManager.java
index 82c121165..eb7a38e22 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/flat/RCTImageViewManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/flat/RCTImageViewManager.java
@@ -9,7 +9,7 @@
 
 package com.facebook.react.flat;
 
-/* package */ final class RCTImageViewManager extends FlatViewManager<RCTImageView> {
+/* package */ final class RCTImageViewManager extends FlatViewManager {
 
   @Override
   public String getName() {
diff --git a/ReactAndroid/src/main/java/com/facebook/react/flat/RCTTextManager.java b/ReactAndroid/src/main/java/com/facebook/react/flat/RCTTextManager.java
index b1794980f..feb5240d0 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/flat/RCTTextManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/flat/RCTTextManager.java
@@ -12,7 +12,7 @@ package com.facebook.react.flat;
 /**
  * ViewManager that creates instances of RCTText.
  */
-/* package */ final class RCTTextManager extends FlatViewManager<RCTText> {
+/* package */ final class RCTTextManager extends FlatViewManager {
 
   @Override
   public String getName() {
diff --git a/ReactAndroid/src/main/java/com/facebook/react/flat/RCTViewManager.java b/ReactAndroid/src/main/java/com/facebook/react/flat/RCTViewManager.java
index 3644eef90..c6a285031 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/flat/RCTViewManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/flat/RCTViewManager.java
@@ -12,7 +12,7 @@ package com.facebook.react.flat;
 /**
  * ViewManager that creates instances of RCTView.
  */
-/* package */ final class RCTViewManager extends FlatViewManager<RCTView> {
+/* package */ final class RCTViewManager extends FlatViewManager {
 
   @Override
   public String getName() {