diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
index 750495f..8b1b51d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
@@ -52,8 +52,6 @@
 import com.android.launcher3.util.TouchController;
 import com.android.quickstep.views.RecentsView;
 
-import java.io.PrintWriter;
-
 /**
  * Handles swiping up on the nav bar to go home from launcher, e.g. overview or all apps.
  */
@@ -226,7 +224,4 @@
                 mEndState.containerType,
                 mLauncher.getWorkspace().getCurrentPage());
     }
-
-    @Override
-    public void dump(String prefix, PrintWriter writer) { }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
index 87f1f7e..8b4aa07 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
@@ -42,8 +42,6 @@
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 
-import java.io.PrintWriter;
-
 /**
  * Touch controller for handling task view card swipes
  */
@@ -307,7 +305,4 @@
             mPendingAnimation = null;
         }
     }
-
-    @Override
-    public void dump(String prefix, PrintWriter writer) { }
 }
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index bd58499..d6f992f 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -41,7 +41,6 @@
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
 
-import java.io.PrintWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
@@ -252,7 +251,4 @@
             @FloatingViewType int type) {
         return getOpenView(activity, type);
     }
-
-    @Override
-    public void dump(String prefix, PrintWriter writer) { }
 }
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index 5c3d4fb..7210759 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -46,7 +46,6 @@
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.util.UiThreadHelper;
 
-import java.io.PrintWriter;
 import java.util.ArrayList;
 
 /**
@@ -697,8 +696,4 @@
     public void removeDropTarget(DropTarget target) {
         mDropTargets.remove(target);
     }
-
-    @Override
-    public void dump(String prefix, PrintWriter writer) { }
-
 }
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index 5f40dce..0274de3 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -50,8 +50,6 @@
 import com.android.launcher3.util.PendingAnimation;
 import com.android.launcher3.util.TouchController;
 
-import java.io.PrintWriter;
-
 /**
  * TouchController for handling state changes
  */
@@ -583,7 +581,4 @@
             this.endTime = duration + SystemClock.elapsedRealtime();
         }
     }
-
-    @Override
-    public void dump(String prefix, PrintWriter writer) { }
 }
diff --git a/src/com/android/launcher3/util/TouchController.java b/src/com/android/launcher3/util/TouchController.java
index ac6a5bd..fc1d819 100644
--- a/src/com/android/launcher3/util/TouchController.java
+++ b/src/com/android/launcher3/util/TouchController.java
@@ -32,5 +32,5 @@
      */
     boolean onControllerInterceptTouchEvent(MotionEvent ev);
 
-    void dump(String prefix, PrintWriter writer);
+    default void dump(String prefix, PrintWriter writer) { }
 }