diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 95672f3..25909ac 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -107,8 +107,6 @@
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.launcher3.taskbar.TaskbarUIController;
-import com.android.launcher3.tracing.InputConsumerProto;
-import com.android.launcher3.tracing.SwipeHandlerProto;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
 import com.android.launcher3.util.DisplayController;
@@ -126,7 +124,6 @@
 import com.android.quickstep.util.InputConsumerProxy;
 import com.android.quickstep.util.InputProxyHandlerFactory;
 import com.android.quickstep.util.MotionPauseDetector;
-import com.android.quickstep.util.ProtoTracer;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.StaggeredWorkspaceAnim;
@@ -2426,7 +2423,6 @@
                 taskViewSimulator.apply(remoteHandle.getTransformParams());
             }
         }
-        ProtoTracer.INSTANCE.get(mContext).scheduleFrameUpdate();
     }
 
     // Scaling of RecentsView during quick switch based on amount of recents scroll
@@ -2496,26 +2492,6 @@
                 mRecentsAnimationTargets.nonApps, shown, null /* animatorHandler */);
     }
 
-    /**
-     * Used for winscope tracing, see launcher_trace.proto
-     * @see com.android.systemui.shared.tracing.ProtoTraceable#writeToProto
-     * @param inputConsumerProto The parent of this proto message.
-     */
-    public void writeToProto(InputConsumerProto.Builder inputConsumerProto) {
-        SwipeHandlerProto.Builder swipeHandlerProto = SwipeHandlerProto.newBuilder();
-
-        mGestureState.writeToProto(swipeHandlerProto);
-
-        swipeHandlerProto.setIsRecentsAttachedToAppWindow(
-                mAnimationFactory.isRecentsAttachedToAppWindow());
-        swipeHandlerProto.setScrollOffset(mRecentsView == null
-                ? 0
-                : mRecentsView.getScrollOffset());
-        swipeHandlerProto.setAppToOverviewProgress(mCurrentShift.value);
-
-        inputConsumerProto.setSwipeHandler(swipeHandlerProto);
-    }
-
     public interface Factory {
         AbsSwipeUpHandler newHandler(GestureState gestureState, long touchTimeMs);
     }
diff --git a/quickstep/src/com/android/quickstep/GestureState.java b/quickstep/src/com/android/quickstep/GestureState.java
index 3d0f6d5..c7df18f 100644
--- a/quickstep/src/com/android/quickstep/GestureState.java
+++ b/quickstep/src/com/android/quickstep/GestureState.java
@@ -37,8 +37,6 @@
 
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StatefulActivity;
-import com.android.launcher3.tracing.GestureStateProto;
-import com.android.launcher3.tracing.SwipeHandlerProto;
 import com.android.quickstep.TopTaskTracker.CachedTaskInfo;
 import com.android.quickstep.util.ActiveGestureErrorDetector;
 import com.android.quickstep.util.ActiveGestureLog;
@@ -62,24 +60,21 @@
      * Defines the end targets of a gesture and the associated state.
      */
     public enum GestureEndTarget {
-        HOME(true, LAUNCHER_STATE_HOME, false, GestureStateProto.GestureEndTarget.HOME),
+        HOME(true, LAUNCHER_STATE_HOME, false),
 
-        RECENTS(true, LAUNCHER_STATE_OVERVIEW, true, GestureStateProto.GestureEndTarget.RECENTS),
+        RECENTS(true, LAUNCHER_STATE_OVERVIEW, true),
 
-        NEW_TASK(false, LAUNCHER_STATE_BACKGROUND, true,
-                GestureStateProto.GestureEndTarget.NEW_TASK),
+        NEW_TASK(false, LAUNCHER_STATE_BACKGROUND, true),
 
-        LAST_TASK(false, LAUNCHER_STATE_BACKGROUND, true,
-                GestureStateProto.GestureEndTarget.LAST_TASK),
+        LAST_TASK(false, LAUNCHER_STATE_BACKGROUND, true),
 
-        ALL_APPS(true, LAUNCHER_STATE_ALLAPPS, false, GestureStateProto.GestureEndTarget.ALL_APPS);
+        ALL_APPS(true, LAUNCHER_STATE_ALLAPPS, false);
 
-        GestureEndTarget(boolean isLauncher, int containerType, boolean recentsAttachedToAppWindow,
-                GestureStateProto.GestureEndTarget protoEndTarget) {
+        GestureEndTarget(boolean isLauncher, int containerType,
+                boolean recentsAttachedToAppWindow) {
             this.isLauncher = isLauncher;
             this.containerType = containerType;
             this.recentsAttachedToAppWindow = recentsAttachedToAppWindow;
-            this.protoEndTarget = protoEndTarget;
         }
 
         /** Whether the target is in the launcher activity. Implicitly, if the end target is going
@@ -89,8 +84,6 @@
         public final int containerType;
         /** Whether RecentsView should be attached to the window as we animate to this target */
         public final boolean recentsAttachedToAppWindow;
-        /** The GestureStateProto enum value, used for winscope tracing. See launcher_trace.proto */
-        public final GestureStateProto.GestureEndTarget protoEndTarget;
     }
 
     private static final String TAG = "GestureState";
@@ -489,17 +482,4 @@
         pw.println("  lastStartedTaskId=" + mLastStartedTaskId);
         pw.println("  isRecentsAnimationRunning=" + isRecentsAnimationRunning());
     }
-
-    /**
-     * Used for winscope tracing, see launcher_trace.proto
-     * @see com.android.systemui.shared.tracing.ProtoTraceable#writeToProto
-     * @param swipeHandlerProto The parent of this proto message.
-     */
-    public void writeToProto(SwipeHandlerProto.Builder swipeHandlerProto) {
-        GestureStateProto.Builder gestureStateProto = GestureStateProto.newBuilder();
-        gestureStateProto.setEndTarget(mEndTarget == null
-                ? GestureStateProto.GestureEndTarget.UNSET
-                : mEndTarget.protoEndTarget);
-        swipeHandlerProto.setGestureState(gestureStateProto);
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/InputConsumer.java b/quickstep/src/com/android/quickstep/InputConsumer.java
index 2071103..23def14 100644
--- a/quickstep/src/com/android/quickstep/InputConsumer.java
+++ b/quickstep/src/com/android/quickstep/InputConsumer.java
@@ -21,9 +21,6 @@
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 
-import com.android.launcher3.tracing.InputConsumerProto;
-import com.android.launcher3.tracing.TouchInteractionServiceProto;
-
 @TargetApi(Build.VERSION_CODES.O)
 public interface InputConsumer {
 
@@ -129,21 +126,4 @@
         }
         return name.toString();
     }
-
-    /**
-     * Used for winscope tracing, see launcher_trace.proto
-     * @see com.android.systemui.shared.tracing.ProtoTraceable#writeToProto
-     * @param serviceProto The parent of this proto message.
-     */
-    default void writeToProto(TouchInteractionServiceProto.Builder serviceProto) {
-        InputConsumerProto.Builder inputConsumerProto = InputConsumerProto.newBuilder();
-        inputConsumerProto.setName(getName());
-        writeToProtoInternal(inputConsumerProto);
-        serviceProto.setInputConsumer(inputConsumerProto);
-    }
-
-    /**
-     * @see #writeToProto - allows subclasses to write additional info to the proto.
-     */
-    default void writeToProtoInternal(InputConsumerProto.Builder inputConsumerProto) {}
 }
diff --git a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
index a8f3c3a..60713cf 100644
--- a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
+++ b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
@@ -38,8 +38,6 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.R;
-import com.android.launcher3.tracing.OverviewComponentObserverProto;
-import com.android.launcher3.tracing.TouchInteractionServiceProto;
 import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.systemui.shared.system.PackageManagerWrapper;
 
@@ -276,19 +274,6 @@
     }
 
     /**
-     * Used for winscope tracing, see launcher_trace.proto
-     * @see com.android.systemui.shared.tracing.ProtoTraceable#writeToProto
-     * @param serviceProto The parent of this proto message.
-     */
-    public void writeToProto(TouchInteractionServiceProto.Builder serviceProto) {
-        OverviewComponentObserverProto.Builder overviewComponentObserver =
-                OverviewComponentObserverProto.newBuilder();
-        overviewComponentObserver.setOverviewActivityStarted(mActivityInterface.isStarted());
-        overviewComponentObserver.setOverviewActivityResumed(mActivityInterface.isResumed());
-        serviceProto.setOverviewComponentObvserver(overviewComponentObserver);
-    }
-
-    /**
      * Starts the intent for the current home activity.
      */
     public static void startHomeIntentSafely(@NonNull Context context, @Nullable Bundle options) {
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index b5c0f7d..a1ecaeb 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -92,8 +92,6 @@
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.ResourceUtils;
 import com.android.launcher3.testing.shared.TestProtocol;
-import com.android.launcher3.tracing.LauncherTraceProto;
-import com.android.launcher3.tracing.TouchInteractionServiceProto;
 import com.android.launcher3.uioverrides.flags.FlagsFactory;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.DisplayController;
@@ -117,7 +115,6 @@
 import com.android.quickstep.inputconsumers.TrackpadStatusBarInputConsumer;
 import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.ActiveGestureLog.CompoundString;
-import com.android.quickstep.util.ProtoTracer;
 import com.android.quickstep.util.ProxyScreenStatusProvider;
 import com.android.systemui.shared.recents.IOverviewProxy;
 import com.android.systemui.shared.recents.ISystemUiProxy;
@@ -126,7 +123,6 @@
 import com.android.systemui.shared.system.InputConsumerController;
 import com.android.systemui.shared.system.InputMonitorCompat;
 import com.android.systemui.shared.system.smartspace.ISysuiUnlockAnimationController;
-import com.android.systemui.shared.tracing.ProtoTraceable;
 import com.android.systemui.unfold.progress.IUnfoldAnimation;
 import com.android.wm.shell.back.IBackAnimation;
 import com.android.wm.shell.bubbles.IBubbles;
@@ -149,8 +145,7 @@
  * Service connected by system-UI for handling touch interaction.
  */
 @TargetApi(Build.VERSION_CODES.R)
-public class TouchInteractionService extends Service
-        implements ProtoTraceable<LauncherTraceProto.Builder> {
+public class TouchInteractionService extends Service {
 
     private static final String SUBSTRING_PREFIX = "; ";
     private static final String NEWLINE_PREFIX = "\n\t\t\t-> ";
@@ -491,8 +486,6 @@
         LockedUserState.get(this).runOnUserUnlocked(this::onUserUnlocked);
         LockedUserState.get(this).runOnUserUnlocked(mTaskbarManager::onUserUnlocked);
         mDeviceState.addNavigationModeChangedCallback(this::onNavigationModeChanged);
-
-        ProtoTracer.INSTANCE.get(this).add(this);
         sConnected = true;
     }
 
@@ -617,19 +610,6 @@
                 // overview.
                 mTaskAnimationManager.endLiveTile();
             }
-
-            if ((lastSysUIFlags & SYSUI_STATE_TRACING_ENABLED) !=
-                    (systemUiStateFlags & SYSUI_STATE_TRACING_ENABLED)) {
-                // Update the tracing state
-                if ((systemUiStateFlags & SYSUI_STATE_TRACING_ENABLED) != 0) {
-                    Log.d(TAG, "Starting tracing.");
-                    ProtoTracer.INSTANCE.get(this).start();
-                } else {
-                    Log.d(TAG, "Stopping tracing. Dumping to file="
-                            + ProtoTracer.INSTANCE.get(this).getTraceFile());
-                    ProtoTracer.INSTANCE.get(this).stop();
-                }
-            }
         }
     }
 
@@ -652,8 +632,6 @@
         disposeEventHandlers("TouchInteractionService onDestroy()");
         mDeviceState.destroy();
         SystemUiProxy.INSTANCE.get(this).clearProxy();
-        ProtoTracer.INSTANCE.get(this).stop();
-        ProtoTracer.INSTANCE.get(this).remove(this);
 
         getSystemService(AccessibilityManager.class)
                 .unregisterSystemAction(GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS);
@@ -781,7 +759,6 @@
             reset();
         }
         traceToken.close();
-        ProtoTracer.INSTANCE.get(this).scheduleFrameUpdate();
     }
 
     private InputConsumer tryCreateAssistantInputConsumer(
@@ -1302,8 +1279,6 @@
         pw.println("  mConsumer=" + mConsumer.getName());
         ActiveGestureLog.INSTANCE.dump("", pw);
         RecentsModel.INSTANCE.get(this).dump("", pw);
-        pw.println("ProtoTrace:");
-        pw.println("  file=" + ProtoTracer.INSTANCE.get(this).getTraceFile());
         if (createdOverviewActivity != null) {
             createdOverviewActivity.getDeviceProfile().dump(this, "", pw);
         }
@@ -1323,18 +1298,4 @@
                 gestureState, touchTimeMs, mTaskAnimationManager.isRecentsAnimationRunning(),
                 mInputConsumer);
     }
-
-    @Override
-    public void writeToProto(LauncherTraceProto.Builder proto) {
-        TouchInteractionServiceProto.Builder serviceProto =
-            TouchInteractionServiceProto.newBuilder();
-        serviceProto.setServiceConnected(true);
-
-        if (mOverviewComponentObserver != null) {
-            mOverviewComponentObserver.writeToProto(serviceProto);
-        }
-        mConsumer.writeToProto(serviceProto);
-
-        proto.setTouchInteractionService(serviceProto);
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/DelegateInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/DelegateInputConsumer.java
index 03f8eef..858999e 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/DelegateInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/DelegateInputConsumer.java
@@ -4,7 +4,6 @@
 
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.TestProtocol;
-import com.android.launcher3.tracing.InputConsumerProto;
 import com.android.quickstep.InputConsumer;
 import com.android.systemui.shared.system.InputMonitorCompat;
 
@@ -54,9 +53,4 @@
         mDelegate.onMotionEvent(event);
         event.recycle();
     }
-
-    @Override
-    public void writeToProtoInternal(InputConsumerProto.Builder inputConsumerProto) {
-        mDelegate.writeToProtoInternal(inputConsumerProto);
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
index 10c6316..2816228 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
@@ -48,7 +48,6 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.TestProtocol;
-import com.android.launcher3.tracing.InputConsumerProto;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.TraceHelper;
 import com.android.quickstep.AbsSwipeUpHandler;
@@ -509,13 +508,6 @@
         return !mPassedPilferInputSlop;
     }
 
-    @Override
-    public void writeToProtoInternal(InputConsumerProto.Builder inputConsumerProto) {
-        if (mInteractionHandler != null) {
-            mInteractionHandler.writeToProto(inputConsumerProto);
-        }
-    }
-
     /**
      * A listener which just finishes the animation immediately after starting. Replaces
      * AbsSwipeUpHandler if the gesture itself finishes before the animation even starts.
diff --git a/quickstep/src/com/android/quickstep/util/ProtoTracer.java b/quickstep/src/com/android/quickstep/util/ProtoTracer.java
deleted file mode 100644
index ef9586d..0000000
--- a/quickstep/src/com/android/quickstep/util/ProtoTracer.java
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.quickstep.util;
-
-import static com.android.launcher3.tracing.LauncherTraceFileProto.MagicNumber.MAGIC_NUMBER_H_VALUE;
-import static com.android.launcher3.tracing.LauncherTraceFileProto.MagicNumber.MAGIC_NUMBER_L_VALUE;
-
-import android.content.Context;
-import android.os.SystemClock;
-
-import android.os.Trace;
-import com.android.launcher3.tracing.LauncherTraceProto;
-import com.android.launcher3.tracing.LauncherTraceEntryProto;
-import com.android.launcher3.tracing.LauncherTraceFileProto;
-import com.android.launcher3.util.MainThreadInitializedObject;
-import com.android.systemui.shared.tracing.FrameProtoTracer;
-import com.android.systemui.shared.tracing.FrameProtoTracer.ProtoTraceParams;
-import com.android.systemui.shared.tracing.ProtoTraceable;
-import com.google.protobuf.MessageLite;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Queue;
-
-
-/**
- * Controller for coordinating winscope proto tracing.
- */
-public class ProtoTracer implements ProtoTraceParams<MessageLite.Builder,
-        LauncherTraceFileProto.Builder, LauncherTraceEntryProto.Builder,
-                LauncherTraceProto.Builder> {
-
-    public static final MainThreadInitializedObject<ProtoTracer> INSTANCE =
-            new MainThreadInitializedObject<>(ProtoTracer::new);
-
-    private static final String TAG = "ProtoTracer";
-    private static final long MAGIC_NUMBER_VALUE =
-            ((long) MAGIC_NUMBER_H_VALUE << 32) | MAGIC_NUMBER_L_VALUE;
-
-    private final Context mContext;
-    private final FrameProtoTracer<MessageLite.Builder, LauncherTraceFileProto.Builder,
-        LauncherTraceEntryProto.Builder, LauncherTraceProto.Builder> mProtoTracer;
-
-    public ProtoTracer(Context context) {
-        mContext = context;
-        mProtoTracer = new FrameProtoTracer<>(this);
-    }
-
-    @Override
-    public File getTraceFile() {
-        return new File(mContext.getFilesDir(), "launcher_trace.pb");
-    }
-
-    @Override
-    public LauncherTraceFileProto.Builder getEncapsulatingTraceProto() {
-        return LauncherTraceFileProto.newBuilder();
-    }
-
-    @Override
-    public LauncherTraceEntryProto.Builder updateBufferProto(
-            LauncherTraceEntryProto.Builder reuseObj,
-            ArrayList<ProtoTraceable<LauncherTraceProto.Builder>> traceables) {
-        Trace.beginSection("ProtoTracer.updateBufferProto");
-        LauncherTraceEntryProto.Builder proto = LauncherTraceEntryProto.newBuilder();
-        proto.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
-        LauncherTraceProto.Builder launcherProto = LauncherTraceProto.newBuilder();
-        for (ProtoTraceable t : traceables) {
-            t.writeToProto(launcherProto);
-        }
-        proto.setLauncher(launcherProto);
-        Trace.endSection();
-        return proto;
-    }
-
-    @Override
-    public byte[] serializeEncapsulatingProto(LauncherTraceFileProto.Builder encapsulatingProto,
-            Queue<LauncherTraceEntryProto.Builder> buffer) {
-        Trace.beginSection("ProtoTracer.serializeEncapsulatingProto");
-        encapsulatingProto.setMagicNumber(MAGIC_NUMBER_VALUE);
-        for (LauncherTraceEntryProto.Builder entry : buffer) {
-            encapsulatingProto.addEntry(entry);
-        }
-        byte[] bytes = encapsulatingProto.build().toByteArray();
-        Trace.endSection();
-        return bytes;
-    }
-
-    @Override
-    public byte[] getProtoBytes(MessageLite.Builder proto) {
-        return proto.build().toByteArray();
-    }
-
-    @Override
-    public int getProtoSize(MessageLite.Builder proto) {
-        return proto.build().getSerializedSize();
-    }
-
-    public void start() {
-        mProtoTracer.start();
-    }
-
-    public void stop() {
-        mProtoTracer.stop();
-    }
-
-    public void add(ProtoTraceable<LauncherTraceProto.Builder> traceable) {
-        mProtoTracer.add(traceable);
-    }
-
-    public void remove(ProtoTraceable<LauncherTraceProto.Builder> traceable) {
-        mProtoTracer.remove(traceable);
-    }
-
-    public void scheduleFrameUpdate() {
-        mProtoTracer.scheduleFrameUpdate();
-    }
-
-    public void update() {
-        mProtoTracer.update();
-    }
-}