diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index ddb20a1..9254803 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -110,7 +110,6 @@
 import com.android.quickstep.RemoteAnimationTargets;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskViewUtils;
-import com.android.quickstep.util.AppCloseConfig;
 import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.RemoteAnimationProvider;
@@ -1338,12 +1337,11 @@
 
             RectFSpringAnim.OnUpdateListener runner = new SpringAnimRunner(targets, targetRect) {
                 @Override
-                public void onUpdate(@Nullable AppCloseConfig values, RectF currentRectF,
-                        float progress) {
+                public void onUpdate(RectF currentRectF, float progress) {
                     finalFloatingIconView.update(1f, 255 /* fgAlpha */, currentRectF, progress,
                             windowAlphaThreshold, getCornerRadius(progress), false);
 
-                    super.onUpdate(values, currentRectF, progress);
+                    super.onUpdate(currentRectF, progress);
                 }
             };
             anim.addOnUpdateListener(runner);
@@ -1356,8 +1354,7 @@
             FloatingWidgetView finalFloatingWidget = floatingWidget;
             RectFSpringAnim.OnUpdateListener  runner = new SpringAnimRunner(targets, targetRect) {
                 @Override
-                public void onUpdate(@Nullable AppCloseConfig values, RectF currentRectF,
-                        float progress) {
+                public void onUpdate(RectF currentRectF, float progress) {
                     final float fallbackBackgroundAlpha =
                             1 - mapBoundToRange(progress, 0.8f, 1, 0, 1, EXAGGERATED_EASE);
                     final float foregroundAlpha =
@@ -1365,7 +1362,7 @@
                     finalFloatingWidget.update(currentRectF, floatingWidgetAlpha, foregroundAlpha,
                             fallbackBackgroundAlpha, 1 - progress);
 
-                    super.onUpdate(values, currentRectF, progress);
+                    super.onUpdate(currentRectF, progress);
                 }
             };
             anim.addOnUpdateListener(runner);
@@ -1776,7 +1773,7 @@
         }
 
         @Override
-        public void onUpdate(@Nullable AppCloseConfig values, RectF currentRectF, float progress) {
+        public void onUpdate(RectF currentRectF, float progress) {
             SurfaceParams[] params = new SurfaceParams[mAppTargets.length];
             for (int i = mAppTargets.length - 1; i >= 0; i--) {
                 RemoteAnimationTargetCompat target = mAppTargets[i];
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 3ab73bb..58320cb 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -1443,7 +1443,7 @@
     }
 
     private void setupWindowAnimation(RectFSpringAnim[] anims) {
-        anims[0].addOnUpdateListener((v, r, p) -> {
+        anims[0].addOnUpdateListener((r, p) -> {
             updateSysUiFlags(Math.max(p, mCurrentShift.value));
         });
         anims[0].addAnimatorListener(new AnimationSuccessListener() {
diff --git a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
index c1b45e0..fed5ae5 100644
--- a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -50,7 +50,6 @@
 import android.view.SurfaceControl.Transaction;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
@@ -59,7 +58,6 @@
 import com.android.launcher3.anim.SpringAnimationBuilder;
 import com.android.quickstep.fallback.FallbackRecentsView;
 import com.android.quickstep.fallback.RecentsState;
-import com.android.quickstep.util.AppCloseConfig;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.TransformParams.BuilderProxy;
@@ -317,8 +315,7 @@
         }
 
         @Override
-        public void update(@Nullable AppCloseConfig config, RectF currentRect, float progress,
-                 float radius) {
+        public void update(RectF currentRect, float progress, float radius) {
             if (mSurfaceControl != null) {
                 currentRect.roundOut(mTempRect);
                 Transaction t = new Transaction();
diff --git a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
index 0181cd7..8a30aad 100644
--- a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
+++ b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
@@ -18,18 +18,14 @@
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.LauncherState.NORMAL;
-import static com.android.launcher3.Utilities.boundToRange;
 import static com.android.launcher3.Utilities.dpToPx;
 import static com.android.launcher3.Utilities.mapBoundToRange;
 import static com.android.launcher3.anim.Interpolators.EXAGGERATED_EASE;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
-import static com.android.launcher3.config.FeatureFlags.PROTOTYPE_APP_CLOSE;
 import static com.android.launcher3.model.data.ItemInfo.NO_MATCHING_ID;
 import static com.android.launcher3.views.FloatingIconView.SHAPE_PROGRESS_DURATION;
 import static com.android.launcher3.views.FloatingIconView.getFloatingIconView;
 
-import static java.lang.Math.round;
-
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
@@ -59,10 +55,8 @@
 import com.android.launcher3.views.FloatingIconView;
 import com.android.launcher3.views.FloatingView;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
-import com.android.quickstep.util.AppCloseConfig;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.StaggeredWorkspaceAnim;
-import com.android.quickstep.util.WorkspaceRevealAnim;
 import com.android.quickstep.views.FloatingWidgetView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
@@ -167,15 +161,9 @@
             }
 
             @Override
-            public void update(@Nullable AppCloseConfig config, RectF currentRect,
-                    float progress, float radius) {
-                super.update(config, currentRect, progress, radius);
-                int fgAlpha = 255;
-                if (config != null && PROTOTYPE_APP_CLOSE.get()) {
-                    progress = config.getInterpolatedProgress();
-                    fgAlpha = config.getFgAlpha();
-                }
-                floatingIconView.update(1f, fgAlpha, currentRect, progress,
+            public void update(RectF currentRect, float progress, float radius) {
+                super.update(currentRect, progress, radius);
+                floatingIconView.update(1f /* alpha */, 255 /* fgAlpha */, currentRect, progress,
                         windowAlphaThreshold, radius, false);
             }
         };
@@ -232,9 +220,8 @@
             }
 
             @Override
-            public void update(@Nullable AppCloseConfig config, RectF currentRect, float progress,
-                    float radius) {
-                super.update(config, currentRect, progress, radius);
+            public void update(RectF currentRect, float progress, float radius) {
+                super.update(currentRect, progress, radius);
                 final float fallbackBackgroundAlpha =
                         1 - mapBoundToRange(progress, 0.8f, 1, 0, 1, EXAGGERATED_EASE);
                 final float foregroundAlpha =
@@ -293,27 +280,12 @@
         private final float mTransY;
         private final FloatingView mFloatingView;
         private ValueAnimator mBounceBackAnimator;
-        private final AnimatorSet mWorkspaceReveal;
 
         FloatingViewHomeAnimationFactory(FloatingView floatingView) {
             mFloatingView = floatingView;
 
             ResourceProvider rp = DynamicResource.provider(mActivity);
             mTransY = dpToPx(rp.getFloat(R.dimen.swipe_up_trans_y_dp));
-
-            mWorkspaceReveal = PROTOTYPE_APP_CLOSE.get()
-                    ? new WorkspaceRevealAnim(mActivity, true /* animateScrim */).getAnimators()
-                    : null;
-        }
-
-        @Override
-        public @NonNull RectF getWindowTargetRect() {
-            if (PROTOTYPE_APP_CLOSE.get()) {
-                // We want the target rect to be at this offset position, so that all
-                // launcher content can spring back upwards.
-                mFloatingView.setPositionOffsetY(mTransY);
-            }
-            return super.getWindowTargetRect();
         }
 
         @Override
@@ -321,20 +293,6 @@
             return false;
         }
 
-        @Override
-        public void update(@Nullable AppCloseConfig config, RectF currentRect, float progress,
-                float radius) {
-            if (config != null && PROTOTYPE_APP_CLOSE.get()) {
-                DragLayer dl = mActivity.getDragLayer();
-                float translationY = config.getWorkspaceTransY();
-                dl.setTranslationY(translationY);
-
-                long duration = mWorkspaceReveal.getDuration();
-                long playTime = boundToRange(round(duration * progress), 0, duration);
-                mWorkspaceReveal.setCurrentPlayTime(playTime);
-            }
-        }
-
         protected void bounceBackToRestingPosition() {
             final float startValue = mTransY;
             final float endValue = 0;
@@ -369,31 +327,6 @@
         }
 
         @Override
-        public void setAnimation(RectFSpringAnim anim) {
-            if (PROTOTYPE_APP_CLOSE.get()) {
-                // Use a spring to put drag layer translation back to 0.
-                anim.addAnimatorListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        mFloatingView.setPositionOffsetY(0);
-                        bounceBackToRestingPosition();
-                    }
-                });
-
-                // Will be updated manually below so that the two animations are in sync.
-                mWorkspaceReveal.start();
-                mWorkspaceReveal.pause();
-
-                anim.addAnimatorListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        mWorkspaceReveal.end();
-                    }
-                });
-            }
-        }
-
-        @Override
         public void onCancel() {
             mFloatingView.fastFinish();
             if (mBounceBackAnimator != null) {
@@ -425,13 +358,9 @@
 
         @Override
         public void playAtomicAnimation(float velocity) {
-            if (!PROTOTYPE_APP_CLOSE.get()) {
-                new StaggeredWorkspaceAnim(mActivity, velocity, true /* animateOverviewScrim */,
-                        getViewIgnoredInWorkspaceRevealAnimation())
-                        .start();
-            } else if (shouldPlayAtomicWorkspaceReveal()) {
-                new WorkspaceRevealAnim(mActivity, true).start();
-            }
+            new StaggeredWorkspaceAnim(mActivity, velocity, true /* animateOverviewScrim */,
+                    getViewIgnoredInWorkspaceRevealAnimation())
+                    .start();
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index f64d506..b36cb0a 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -18,7 +18,6 @@
 import static com.android.launcher3.anim.Interpolators.ACCEL_1_5;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_SELECT;
-import static com.android.launcher3.config.FeatureFlags.PROTOTYPE_APP_CLOSE;
 
 import android.animation.Animator;
 import android.content.Context;
@@ -28,7 +27,6 @@
 import android.graphics.RectF;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.DeviceProfile;
@@ -39,10 +37,8 @@
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
-import com.android.quickstep.util.AppCloseConfig;
 import com.android.quickstep.util.LauncherSplitScreenListener;
 import com.android.quickstep.util.RectFSpringAnim;
-import com.android.quickstep.util.RectFSpringAnim2;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.TransformParams.BuilderProxy;
@@ -189,8 +185,7 @@
 
         public boolean keepWindowOpaque() { return false; }
 
-        public void update(@Nullable AppCloseConfig config, RectF currentRect, float progress,
-                float radius) { }
+        public void update(RectF currentRect, float progress, float radius) { }
 
         public void onCancel() { }
 
@@ -290,14 +285,7 @@
         homeToWindowPositionMap.invert(windowToHomePositionMap);
         windowToHomePositionMap.mapRect(startRect);
 
-        RectFSpringAnim anim;
-        if (PROTOTYPE_APP_CLOSE.get()) {
-            anim = new RectFSpringAnim2(startRect, targetRect, mContext,
-                    taskViewSimulator.getCurrentCornerRadius(),
-                    homeAnimationFactory.getEndRadius(cropRectF));
-        } else {
-            anim = new RectFSpringAnim(startRect, targetRect, mContext, mDp);
-        }
+        RectFSpringAnim anim = new RectFSpringAnim(startRect, targetRect, mContext, mDp);
         homeAnimationFactory.setAnimation(anim);
 
         SpringAnimationRunner runner = new SpringAnimationRunner(
@@ -343,17 +331,13 @@
         }
 
         @Override
-        public void onUpdate(@Nullable AppCloseConfig config, RectF currentRect, float progress) {
+        public void onUpdate(RectF currentRect, float progress) {
             mHomeAnim.setPlayFraction(progress);
             mHomeToWindowPositionMap.mapRect(mWindowCurrentRect, currentRect);
 
             mMatrix.setRectToRect(mCropRectF, mWindowCurrentRect, ScaleToFit.FILL);
             float cornerRadius = Utilities.mapRange(progress, mStartRadius, mEndRadius);
             float alpha = mAnimationFactory.getWindowAlpha(progress);
-            if (config != null && PROTOTYPE_APP_CLOSE.get()) {
-                alpha = config.getWindowAlpha();
-                cornerRadius = config.getCornerRadius();
-            }
             if (mAnimationFactory.keepWindowOpaque()) {
                 alpha = 1f;
             }
@@ -362,8 +346,7 @@
                     .setCornerRadius(cornerRadius);
             mLocalTransformParams.applySurfaceParams(mLocalTransformParams
                     .createSurfaceParams(this));
-            mAnimationFactory.update(config, currentRect, progress,
-                    mMatrix.mapRadius(cornerRadius));
+            mAnimationFactory.update(currentRect, progress, mMatrix.mapRadius(cornerRadius));
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
index a923519..90ce25c 100644
--- a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
@@ -53,7 +53,6 @@
 import com.android.quickstep.RemoteTargetGluer;
 import com.android.quickstep.SwipeUpAnimationLogic;
 import com.android.quickstep.SwipeUpAnimationLogic.RunningWindowAnim;
-import com.android.quickstep.util.AppCloseConfig;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.TransformParams;
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
@@ -328,8 +327,7 @@
                 }
 
                 @Override
-                public void update(@Nullable AppCloseConfig config, RectF rect, float progress,
-                        float radius) {
+                public void update(RectF rect, float progress, float radius) {
                     mFakeIconView.setVisibility(View.VISIBLE);
                     mFakeIconView.update(rect, progress,
                             1f - SHAPE_PROGRESS_DURATION /* shapeProgressStart */,
diff --git a/quickstep/src/com/android/quickstep/util/RectFSpringAnim.java b/quickstep/src/com/android/quickstep/util/RectFSpringAnim.java
index 158fba9..c4909de 100644
--- a/quickstep/src/com/android/quickstep/util/RectFSpringAnim.java
+++ b/quickstep/src/com/android/quickstep/util/RectFSpringAnim.java
@@ -328,7 +328,7 @@
                     break;
             }
             for (OnUpdateListener onUpdateListener : mOnUpdateListeners) {
-                onUpdateListener.onUpdate(null, mCurrentRect, mCurrentScaleProgress);
+                onUpdateListener.onUpdate(mCurrentRect, mCurrentScaleProgress);
             }
         }
     }
@@ -353,7 +353,12 @@
     }
 
     public interface OnUpdateListener {
-        void onUpdate(@Nullable AppCloseConfig values, RectF currentRect, float progress);
+        /**
+         * Called when an update is made to the animation.
+         * @param currentRect The rect of the window.
+         * @param progress [0, 1] The progress of the rect scale animation.
+         */
+        void onUpdate(RectF currentRect, float progress);
 
         default void onCancel() { }
     }
diff --git a/quickstep/src/com/android/quickstep/util/RectFSpringAnim2.java b/quickstep/src/com/android/quickstep/util/RectFSpringAnim2.java
deleted file mode 100644
index cb35809..0000000
--- a/quickstep/src/com/android/quickstep/util/RectFSpringAnim2.java
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * Copyright (C) 2021 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.Utilities.dpToPx;
-import static com.android.launcher3.anim.Interpolators.LINEAR;
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
-import android.animation.ValueAnimator;
-import android.content.Context;
-import android.graphics.PointF;
-import android.graphics.RectF;
-import android.util.PathParser;
-import android.util.Property;
-import android.view.animation.Interpolator;
-
-import androidx.core.view.animation.PathInterpolatorCompat;
-import androidx.dynamicanimation.animation.FloatPropertyCompat;
-import androidx.dynamicanimation.animation.SpringAnimation;
-import androidx.dynamicanimation.animation.SpringForce;
-
-import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.util.DynamicResource;
-import com.android.systemui.plugins.ResourceProvider;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-
-/**
- * Applies spring forces to animate from a starting rect to a target rect,
- * while providing update callbacks to the caller.
- */
-public class RectFSpringAnim2 extends RectFSpringAnim {
-
-    private static final FloatPropertyCompat<RectFSpringAnim2> RECT_CENTER_X =
-            new FloatPropertyCompat<RectFSpringAnim2>("rectCenterXSpring") {
-                @Override
-                public float getValue(RectFSpringAnim2 anim) {
-                    return anim.mCurrentCenterX;
-                }
-
-                @Override
-                public void setValue(RectFSpringAnim2 anim, float currentCenterX) {
-                    anim.mCurrentCenterX = currentCenterX;
-                    anim.onUpdate();
-                }
-            };
-
-    private static final FloatPropertyCompat<RectFSpringAnim2> RECT_Y =
-            new FloatPropertyCompat<RectFSpringAnim2>("rectYSpring") {
-                @Override
-                public float getValue(RectFSpringAnim2 anim) {
-                    return anim.mCurrentCenterY;
-                }
-
-                @Override
-                public void setValue(RectFSpringAnim2 anim, float y) {
-                    anim.mCurrentCenterY = y;
-                    anim.onUpdate();
-                }
-            };
-
-    private static final Property<RectFSpringAnim2, Float> PROGRESS =
-            new Property<RectFSpringAnim2, Float>(Float.class, "rectFProgress") {
-                @Override
-                public Float get(RectFSpringAnim2 rectFSpringAnim) {
-                    return rectFSpringAnim.mProgress;
-                }
-
-                @Override
-                public void set(RectFSpringAnim2 rectFSpringAnim, Float progress) {
-                    rectFSpringAnim.mProgress = progress;
-                    rectFSpringAnim.onUpdate();
-                }
-            };
-
-    private final RectF mStartRect;
-    private final RectF mTargetRect;
-    private final RectF mCurrentRect = new RectF();
-    private final List<OnUpdateListener> mOnUpdateListeners = new ArrayList<>();
-    private final List<Animator.AnimatorListener> mAnimatorListeners = new ArrayList<>();
-
-    private float mCurrentCenterX;
-    private float mCurrentCenterY;
-
-    private float mTargetX;
-    private float mTargetY;
-
-    // If true, tracking the bottom of the rects, else tracking the top.
-    private float mProgress;
-    private SpringAnimation mRectXAnim;
-    private SpringAnimation mRectYAnim;
-    private ValueAnimator mRectScaleAnim;
-    private boolean mAnimsStarted;
-    private boolean mRectXAnimEnded;
-    private boolean mRectYAnimEnded;
-    private boolean mRectScaleAnimEnded;
-
-    private final float mXDamping;
-    private final float mXStiffness;
-
-    private final float mYDamping;
-    private float mYStiffness;
-
-    private long mDuration;
-
-    private final Interpolator mCloseInterpolator;
-
-    private AppCloseConfig mValues;
-    final float mStartRadius;
-    final float mEndRadius;
-
-    final float mHomeTransYEnd;
-    final float mScaleStart;
-
-    public RectFSpringAnim2(RectF startRect, RectF targetRect, Context context, float startRadius,
-            float endRadius) {
-        super(startRect, targetRect, context, null);
-        mStartRect = startRect;
-        mTargetRect = targetRect;
-
-        mCurrentCenterY = mStartRect.centerY();
-        mCurrentCenterX = mStartRect.centerX();
-
-        mTargetY = mTargetRect.centerY();
-        mTargetX = mTargetRect.centerX();
-
-        ResourceProvider rp = DynamicResource.provider(context);
-        mXDamping = rp.getFloat(R.dimen.swipe_up_rect_2_x_damping_ratio);
-        mXStiffness = rp.getFloat(R.dimen.swipe_up_rect_2_x_stiffness);
-
-        mYDamping = rp.getFloat(R.dimen.swipe_up_rect_2_y_damping_ratio);
-        mYStiffness = rp.getFloat(R.dimen.swipe_up_rect_2_y_stiffness);
-        mDuration = Math.round(rp.getFloat(R.dimen.swipe_up_duration));
-
-        mHomeTransYEnd = dpToPx(rp.getFloat(R.dimen.swipe_up_trans_y_dp));
-        mScaleStart = rp.getFloat(R.dimen.swipe_up_scale_start);
-
-        mCloseInterpolator = getAppCloseInterpolator(context);
-
-        // End on a "round-enough" radius so that the shape reveal doesn't have to do too much
-        // rounding at the end of the animation.
-        mStartRadius = startRadius;
-        mEndRadius = endRadius;
-
-        setCanRelease(true);
-    }
-
-    public void onTargetPositionChanged() {
-        if (mRectXAnim != null && mTargetX != mTargetRect.centerX()) {
-            mTargetX = mTargetRect.centerX();
-            mRectXAnim.animateToFinalPosition(mTargetX);
-        }
-
-        if (mRectYAnim != null) {
-            if (mTargetY != mTargetRect.centerY()) {
-                mTargetY = mTargetRect.centerY();
-                mRectYAnim.animateToFinalPosition(mTargetY);
-            }
-        }
-    }
-
-    public void addOnUpdateListener(OnUpdateListener onUpdateListener) {
-        mOnUpdateListeners.add(onUpdateListener);
-    }
-
-    public void addAnimatorListener(Animator.AnimatorListener animatorListener) {
-        mAnimatorListeners.add(animatorListener);
-    }
-
-    /**
-     * Starts the fling/spring animation.
-     * @param context The activity context.
-     * @param velocityPxPerMs Velocity of swipe in px/ms.
-     */
-    public void start(Context context, PointF velocityPxPerMs) {
-        mRectXAnim = new SpringAnimation(this, RECT_CENTER_X)
-                .setStartValue(mCurrentCenterX)
-                .setStartVelocity(velocityPxPerMs.x * 1000)
-                .setSpring(new SpringForce(mTargetX)
-                        .setStiffness(mXStiffness)
-                        .setDampingRatio(mXDamping));
-        mRectXAnim.addEndListener(((animation, canceled, centerX, velocityX) -> {
-            mRectXAnimEnded = true;
-            maybeOnEnd();
-        }));
-
-        mRectYAnim = new SpringAnimation(this, RECT_Y)
-                .setStartValue(mCurrentCenterY)
-                .setStartVelocity(velocityPxPerMs.y * 1000)
-                .setSpring(new SpringForce(mTargetY)
-                        .setStiffness(mYStiffness)
-                        .setDampingRatio(mYDamping));
-        mRectYAnim.addEndListener(((animation, canceled, centerY, velocityY) -> {
-            mRectYAnimEnded = true;
-            maybeOnEnd();
-        }));
-
-        mRectScaleAnim = ObjectAnimator.ofFloat(this, PROGRESS, 0, 1f)
-                .setDuration(mDuration);
-        mRectScaleAnim.setInterpolator(mCloseInterpolator);
-        mRectScaleAnim.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mRectScaleAnimEnded = true;
-                maybeOnEnd();
-            }
-        });
-
-        mValues = buildConfig();
-        mRectScaleAnim.addUpdateListener(mValues);
-
-        setCanRelease(false);
-        mAnimsStarted = true;
-
-        mRectXAnim.start();
-        mRectYAnim.start();
-        mRectScaleAnim.start();
-        for (Animator.AnimatorListener animatorListener : mAnimatorListeners) {
-            animatorListener.onAnimationStart(null);
-        }
-    }
-
-    private AppCloseConfig buildConfig() {
-        return new AppCloseConfig() {
-            FloatProp mHomeTransY = new FloatProp(0, mHomeTransYEnd, 0, mDuration, LINEAR);
-            FloatProp mHomeScale = new FloatProp(mScaleStart, 1f, 0, mDuration, LINEAR);
-            FloatProp mWindowFadeOut = new FloatProp(1f, 0f, 0, 116, LINEAR);
-            // There should be a slight overlap b/w window fading out and fg fading in.
-            // (fg startDelay < window fade out duration)
-            FloatProp mFgFadeIn = new FloatProp(0, 255f, 100, mDuration - 100, LINEAR);
-            FloatProp mRadius = new FloatProp(mStartRadius, mEndRadius, 0, mDuration, LINEAR);
-            FloatProp mThreePointInterpolation = new FloatProp(0, 1, 0, mDuration, LINEAR);
-
-            @Override
-            public float getWorkspaceTransY() {
-                return mHomeTransY.value;
-            }
-
-            @Override
-            public float getWorkspaceScale() {
-                return mHomeScale.value;
-            }
-
-            @Override
-            public float getWindowAlpha() {
-                return mWindowFadeOut.value;
-            }
-
-            @Override
-            public int getFgAlpha() {
-                return (int) mFgFadeIn.value;
-            }
-
-            @Override
-            public float getCornerRadius() {
-                return mRadius.value;
-            }
-
-            @Override
-            public float getInterpolatedProgress() {
-                return mThreePointInterpolation.value;
-            }
-
-            @Override
-            public void onUpdate(float percent, boolean initOnly) {}
-        };
-    }
-
-    public void end() {
-        if (mAnimsStarted) {
-            if (mRectXAnim.canSkipToEnd()) {
-                mRectXAnim.skipToEnd();
-            }
-            if (mRectYAnim.canSkipToEnd()) {
-                mRectYAnim.skipToEnd();
-            }
-            mRectScaleAnim.end();
-        }
-        mRectXAnimEnded = true;
-        mRectYAnimEnded = true;
-        mRectScaleAnimEnded = true;
-        maybeOnEnd();
-    }
-
-    private boolean isEnded() {
-        return mRectXAnimEnded && mRectYAnimEnded && mRectScaleAnimEnded;
-    }
-
-    private void onUpdate() {
-        if (isEnded()) {
-            // Prevent further updates from being called. This can happen between callbacks for
-            // ending the x/y/scale animations.
-            return;
-        }
-
-        if (!mOnUpdateListeners.isEmpty()) {
-            float rectProgress = mProgress;
-            float currentWidth = Utilities.mapRange(rectProgress, mStartRect.width(),
-                    mTargetRect.width());
-            float currentHeight = Utilities.mapRange(rectProgress, mStartRect.height(),
-                    mTargetRect.height());
-
-            mCurrentRect.set(mCurrentCenterX - currentWidth / 2,
-                    mCurrentCenterY - currentHeight / 2,
-                    mCurrentCenterX + currentWidth / 2,
-                    mCurrentCenterY + currentHeight / 2);
-
-            float currentPlayTime = mRectScaleAnimEnded ? mRectScaleAnim.getDuration()
-                    : mRectScaleAnim.getCurrentPlayTime();
-            float linearProgress = Math.min(1f, currentPlayTime / mRectScaleAnim.getDuration());
-            for (OnUpdateListener onUpdateListener : mOnUpdateListeners) {
-                onUpdateListener.onUpdate(mValues, mCurrentRect, linearProgress);
-            }
-        }
-    }
-
-    private void maybeOnEnd() {
-        if (mAnimsStarted && isEnded()) {
-            mAnimsStarted = false;
-            setCanRelease(true);
-            for (Animator.AnimatorListener animatorListener : mAnimatorListeners) {
-                animatorListener.onAnimationEnd(null);
-            }
-        }
-    }
-
-    public void cancel() {
-        if (mAnimsStarted) {
-            for (OnUpdateListener onUpdateListener : mOnUpdateListeners) {
-                onUpdateListener.onCancel();
-            }
-        }
-        end();
-    }
-
-    private Interpolator getAppCloseInterpolator(Context context) {
-        ResourceProvider rp = DynamicResource.provider(context);
-        String path = String.format(Locale.ENGLISH,
-                "M 0,0 C %f, %f, %f, %f, %f, %f C %f, %f, %f, %f, 1, 1",
-                rp.getFloat(R.dimen.c1_a),
-                rp.getFloat(R.dimen.c1_b),
-                rp.getFloat(R.dimen.c1_c),
-                rp.getFloat(R.dimen.c1_d),
-                rp.getFloat(R.dimen.mp_x),
-                rp.getFloat(R.dimen.mp_y),
-                rp.getFloat(R.dimen.c2_a),
-                rp.getFloat(R.dimen.c2_b),
-                rp.getFloat(R.dimen.c2_c),
-                rp.getFloat(R.dimen.c2_d));
-        return PathInterpolatorCompat.create(PathParser.createPathFromPathData(path));
-    }
-}
diff --git a/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java b/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java
index a30216c..a534450 100644
--- a/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java
+++ b/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java
@@ -158,7 +158,7 @@
             t.reparent(mContentOverlay, mLeash);
             t.apply();
 
-            addOnUpdateListener((values, currentRect, progress) -> {
+            addOnUpdateListener((currentRect, progress) -> {
                 float alpha = progress < 0.5f
                         ? 0
                         : Utilities.mapToRange(Math.min(progress, 1f), 0.5f, 1f,
@@ -201,8 +201,7 @@
         addOnUpdateListener(this::onAnimationUpdate);
     }
 
-    private void onAnimationUpdate(@Nullable AppCloseConfig values, RectF currentRect,
-            float progress) {
+    private void onAnimationUpdate(RectF currentRect, float progress) {
         if (mHasAnimationEnded) return;
         final SurfaceControl.Transaction tx =
                 PipSurfaceTransactionHelper.newSurfaceControlTransaction();
diff --git a/res/values/config.xml b/res/values/config.xml
index 6fdb4de..25911e6 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -136,7 +136,6 @@
     <item name="swipe_up_rect_xy_fling_friction" type="dimen" format="float">1.5</item>
 
     <item name="swipe_up_scale_start"  type="dimen" format="float">0.88</item>
-    <item name="swipe_up_duration"  type="dimen" format="float">400</item>
 
     <item name="swipe_up_trans_y_dp"  type="dimen" format="float">4.5</item>
     <item name="swipe_up_trans_y_dp_per_s" type="dimen" format="float">3</item>
@@ -147,33 +146,10 @@
     <item name="swipe_up_rect_xy_damping_ratio" type="dimen" format="float">0.8</item>
     <item name="swipe_up_rect_xy_stiffness" type="dimen" format="float">200</item>
 
-
-    <item name="swipe_up_rect_2_x_damping_ratio" type="dimen" format="float">1</item>
-    <item name="swipe_up_rect_2_x_stiffness" type="dimen" format="float">250</item>
-
-    <item name="swipe_up_rect_2_y_damping_ratio" type="dimen" format="float">1</item>
-    <item name="swipe_up_rect_2_y_stiffness" type="dimen" format="float">600</item>
-
-    <item name="swipe_up_rect_2_y_stiffness_low_swipe_multiplier" type="dimen" format="float">0.8</item>
     <item name="swipe_up_low_swipe_duration_multiplier"  type="dimen" format="float">1</item>
 
     <item name="swipe_up_launcher_alpha_max_progress" type="dimen" format="float">0.85</item>
 
-
-    <item name="c1_a" type="dimen" format="float">0.05</item>
-    <item name="c1_b" type="dimen" format="float">0</item>
-    <item name="c1_c" type="dimen" format="float">0.133333</item>
-    <item name="c1_d" type="dimen" format="float">0.06</item>
-
-    <item name="mp_x" type="dimen" format="float">0.166666</item>
-    <item name="mp_y" type="dimen" format="float">.4</item>
-
-    <item name="c2_a" type="dimen" format="float">0.208333</item>
-    <item name="c2_b" type="dimen" format="float">.82</item>
-    <item name="c2_c" type="dimen" format="float">.25</item>
-    <item name="c2_d" type="dimen" format="float">1</item>
-
-
     <item name="staggered_damping_ratio" type="dimen" format="float">0.7</item>
     <item name="staggered_stiffness" type="dimen" format="float">150</item>
     <dimen name="unlock_staggered_velocity_dp_per_s">2dp</dimen>
@@ -188,33 +164,14 @@
     <dimen name="swipe_up_max_velocity">7.619dp</dimen>
 
     <array name="dynamic_resources">
-        <item>@dimen/swipe_up_duration</item>
         <item>@dimen/swipe_up_scale_start</item>
         <item>@dimen/swipe_up_trans_y_dp</item>
         <item>@dimen/swipe_up_trans_y_dp_per_s</item>
         <item>@dimen/swipe_up_trans_y_damping</item>
         <item>@dimen/swipe_up_trans_y_stiffness</item>
-        <item>@dimen/swipe_up_rect_2_x_damping_ratio</item>
-        <item>@dimen/swipe_up_rect_2_x_stiffness</item>
-        <item>@dimen/swipe_up_rect_2_y_damping_ratio</item>
-        <item>@dimen/swipe_up_rect_2_y_stiffness</item>
         <item>@dimen/swipe_up_launcher_alpha_max_progress</item>
-        <item>@dimen/swipe_up_rect_2_y_stiffness_low_swipe_multiplier</item>
         <item>@dimen/swipe_up_low_swipe_duration_multiplier</item>
         <item>@dimen/swipe_up_max_velocity</item>
-
-        <item>@dimen/c1_a</item>
-        <item>@dimen/c1_b</item>
-        <item>@dimen/c1_c</item>
-        <item>@dimen/c1_d</item>
-
-        <item>@dimen/mp_x</item>
-        <item>@dimen/mp_y</item>
-
-        <item>@dimen/c2_a</item>
-        <item>@dimen/c2_b</item>
-        <item>@dimen/c2_c</item>
-        <item>@dimen/c2_d</item>
     </array>
 
     <string-array name="filtered_components" ></string-array>
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 796c912..1358387 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -233,9 +233,6 @@
     public static final BooleanFlag NOTIFY_CRASHES = getDebugFlag("NOTIFY_CRASHES", false,
             "Sends a notification whenever launcher encounters an uncaught exception.");
 
-    public static final BooleanFlag PROTOTYPE_APP_CLOSE = getDebugFlag(
-            "PROTOTYPE_APP_CLOSE", false, "Enables new app close");
-
     public static final BooleanFlag ENABLE_WALLPAPER_SCRIM = getDebugFlag(
             "ENABLE_WALLPAPER_SCRIM", false,
             "Enables scrim over wallpaper for text protection.");