diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
index f0516ac..482348f 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
@@ -21,7 +21,7 @@
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
-import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
+import static com.android.launcher3.config.FeatureFlags.UNSTABLE_SPRINGS;
 import static com.android.launcher3.util.DefaultDisplay.getSingleFrameMs;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_OVERVIEW;
 import static com.android.quickstep.GestureState.GestureEndTarget.HOME;
@@ -972,7 +972,7 @@
         }
         mLauncherTransitionController.getAnimationPlayer().setDuration(Math.max(0, duration));
 
-        if (QUICKSTEP_SPRINGS.get()) {
+        if (UNSTABLE_SPRINGS.get()) {
             mLauncherTransitionController.dispatchOnStartWithVelocity(end, velocityPxPerMs.y);
         }
         mLauncherTransitionController.getAnimationPlayer().start();
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
index a538fff..34b2bdb 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -82,11 +82,6 @@
 
     @Override
     protected boolean isLauncherInitialized() {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                    "isLauncherInitialized.TouchInteractionService.isInitialized=" +
-                            TouchInteractionService.isInitialized());
-        }
         return super.isLauncherInitialized() && TouchInteractionService.isInitialized();
     }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index edaef30..b0cb35a 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -136,9 +136,6 @@
                 TouchInteractionService.this.initInputMonitor();
                 preloadOverview(true /* fromInit */);
             });
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "TIS initialized");
-            }
             sIsInitialized = true;
         }
 
@@ -397,9 +394,6 @@
 
     @Override
     public void onDestroy() {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "TIS destroyed");
-        }
         sIsInitialized = false;
         if (mDeviceState.isUserUnlocked()) {
             mInputConsumer.unregisterInputConsumer();
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
index 99b2a81..d5ce734 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
@@ -25,7 +25,7 @@
 import static com.android.launcher3.anim.Interpolators.ACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
-import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
+import static com.android.launcher3.config.FeatureFlags.UNSTABLE_SPRINGS;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 
 import android.animation.TimeInterpolator;
@@ -277,7 +277,7 @@
     private void handleFirstSwipeToOverview(final ValueAnimator animator,
             final long expectedDuration, final LauncherState targetState, final float velocity,
             final boolean isFling) {
-        if (QUICKSTEP_SPRINGS.get() && mFromState == OVERVIEW && mToState == ALL_APPS
+        if (UNSTABLE_SPRINGS.get() && mFromState == OVERVIEW && mToState == ALL_APPS
                 && targetState == OVERVIEW) {
             mFinishFastOnSecondTouch = true;
         } else  if (mFromState == NORMAL && mToState == OVERVIEW && targetState == OVERVIEW) {
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index efe85c7..bb6c330 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -96,10 +96,6 @@
     private boolean mModelLoaded;
     public boolean isModelLoaded() {
         synchronized (mLock) {
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                        "isModelLoaded: " + mModelLoaded + ", " + mLoaderTask);
-            }
             return mModelLoaded && mLoaderTask == null;
         }
     }
@@ -372,9 +368,6 @@
     public boolean stopLoader() {
         synchronized (mLock) {
             LoaderTask oldTask = mLoaderTask;
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "LauncherModel.stopLoader");
-            }
             mLoaderTask = null;
             if (oldTask != null) {
                 oldTask.stopLocked();
@@ -388,10 +381,6 @@
         synchronized (mLock) {
             stopLoader();
             mLoaderTask = new LoaderTask(mApp, mBgAllAppsList, mBgDataModel, results);
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                        "LauncherModel.startLoaderForResults " + mLoaderTask);
-            }
 
             // Always post the loader task, instead of running directly (even on same thread) so
             // that we exit any nested synchronized blocks
@@ -493,10 +482,6 @@
         public void close() {
             synchronized (mLock) {
                 // If we are still the last one to be scheduled, remove ourselves.
-                if (TestProtocol.sDebugTracing) {
-                    Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                            "LauncherModel.close " + mLoaderTask + ", " + mTask);
-                }
                 if (mLoaderTask == mTask) {
                     mLoaderTask = null;
                 }
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 1bde138..93bdac9 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -11,7 +11,7 @@
 import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.PropertySetter.NO_ANIM_PROPERTY_SETTER;
-import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
+import static com.android.launcher3.config.FeatureFlags.UNSTABLE_SPRINGS;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_ALL_APPS;
 
 import android.animation.Animator;
@@ -185,7 +185,7 @@
     }
 
     public Animator createSpringAnimation(float... progressValues) {
-        if (QUICKSTEP_SPRINGS.get()) {
+        if (UNSTABLE_SPRINGS.get()) {
             return new SpringObjectAnimator<>(this, ALL_APPS_PROGRESS, 1f / mShiftRange,
                     SPRING_DAMPING_RATIO, SPRING_STIFFNESS, progressValues);
         }
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 8dc7a3a..4f61a2a 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -167,32 +167,15 @@
     }
 
     public void run() {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                    "LoaderTask1 " + this);
-        }
         synchronized (this) {
             // Skip fast if we are already stopped.
             if (mStopped) {
                 return;
             }
         }
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                    "LoaderTask2 " + this);
-        }
 
         Object traceToken = TraceHelper.INSTANCE.beginSection(TAG);
-        TimingLogger logger = TestProtocol.sDebugTracing ?
-                new TimingLogger(TAG, "run") {
-                    @Override
-                    public void addSplit(String splitLabel) {
-                        super.addSplit(splitLabel);
-                        Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                                "LoaderTask.addSplit " + splitLabel);
-                    }
-                }
-                : new TimingLogger(TAG, "run");
+        TimingLogger logger = new TimingLogger(TAG, "run");
         try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
             List<ShortcutInfo> allShortcuts = new ArrayList<>();
             loadWorkspace(allShortcuts);
@@ -283,10 +266,6 @@
             updateHandler.finish();
             logger.addSplit("finish icon update");
 
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                        "LoaderTask3 " + this);
-            }
             transaction.commit();
         } catch (CancellationException e) {
             // Loader stopped, ignore
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index 994912b..4e49c6e 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -189,11 +189,6 @@
     }
 
     protected boolean isLauncherInitialized() {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                    "isLauncherInitialized " + Launcher.ACTIVITY_TRACKER.getCreatedActivity() + ", "
-                            + LauncherAppState.getInstance(mContext).getModel().isModelLoaded());
-        }
         return Launcher.ACTIVITY_TRACKER.getCreatedActivity() == null
                 || LauncherAppState.getInstance(mContext).getModel().isModelLoaded();
     }
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 6e53790..7aa5140 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -91,5 +91,4 @@
 
     public static final String NO_BACKGROUND_TO_OVERVIEW_TAG = "b/138251824";
     public static final String APP_NOT_DISABLED = "b/139891609";
-    public static final String LAUNCHER_DIDNT_INITIALIZE = "b/148313079";
 }
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index 7ae0526..9df6241 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -23,7 +23,7 @@
 import static com.android.launcher3.LauncherStateManager.ATOMIC_OVERVIEW_SCALE_COMPONENT;
 import static com.android.launcher3.LauncherStateManager.NON_ATOMIC_COMPONENT;
 import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
-import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
+import static com.android.launcher3.config.FeatureFlags.UNSTABLE_SPRINGS;
 import static com.android.launcher3.util.DefaultDisplay.getSingleFrameMs;
 
 import android.animation.Animator;
@@ -435,7 +435,7 @@
         updateSwipeCompleteAnimation(anim, Math.max(duration, getRemainingAtomicDuration()),
                 targetState, velocity, fling);
         mCurrentAnimation.dispatchOnStartWithVelocity(endProgress, progressVelocity);
-        if (fling && targetState == LauncherState.ALL_APPS && !QUICKSTEP_SPRINGS.get()) {
+        if (fling && targetState == LauncherState.ALL_APPS && !UNSTABLE_SPRINGS.get()) {
             mLauncher.getAppsView().addSpringFromFlingUpdateListener(anim, velocity);
         }
         anim.start();
diff --git a/src/com/android/launcher3/util/ActivityTracker.java b/src/com/android/launcher3/util/ActivityTracker.java
index b83c8fc..499f655 100644
--- a/src/com/android/launcher3/util/ActivityTracker.java
+++ b/src/com/android/launcher3/util/ActivityTracker.java
@@ -45,13 +45,7 @@
     }
 
     public void onActivityDestroyed(T activity) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "onActivityDestroyed");
-        }
         if (mCurrentActivity.get() == activity) {
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "onActivityDestroyed: clear");
-            }
             mCurrentActivity.clear();
         }
     }
@@ -116,10 +110,6 @@
     }
 
     public boolean handleCreate(T activity) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
-                    "ActivityTracker.handleCreate " + mCurrentActivity.get() + " => " + activity);
-        }
         mCurrentActivity = new WeakReference<>(activity);
         return handleIntent(activity, activity.getIntent(), false, false);
     }