diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index 85c439ccfe6f8..0efb9698f4b09 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -498,8 +498,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
      */
     ActivityRecord mFixedRotationLaunchingApp;
 
-    FixedRotationAnimationController mFixedRotationAnimationController;
-
     final FixedRotationTransitionListener mFixedRotationTransitionListener =
             new FixedRotationTransitionListener();
 
@@ -1540,11 +1538,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
     }
 
     private void startFixedRotationTransform(WindowToken token, int rotation) {
-        if (mFixedRotationAnimationController == null) {
-            mFixedRotationAnimationController = new FixedRotationAnimationController(
-                    this);
-        }
-        mFixedRotationAnimationController.hide(rotation);
         mTmpConfiguration.unset();
         final DisplayInfo info = computeScreenConfiguration(mTmpConfiguration, rotation);
         final WmDisplayCutout cutout = calculateDisplayCutoutForRotation(rotation);
@@ -1566,13 +1559,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
         }
     }
 
-    void finishFixedRotationAnimation() {
-        if (mFixedRotationAnimationController != null
-                && mFixedRotationAnimationController.show()) {
-            mFixedRotationAnimationController = null;
-        }
-    }
-
     /**
      * Update rotation of the display.
      *
diff --git a/services/core/java/com/android/server/wm/DisplayRotation.java b/services/core/java/com/android/server/wm/DisplayRotation.java
index c3f906135a004..ebfe70c0c3714 100644
--- a/services/core/java/com/android/server/wm/DisplayRotation.java
+++ b/services/core/java/com/android/server/wm/DisplayRotation.java
@@ -560,7 +560,6 @@ public class DisplayRotation {
         }, true /* traverseTopToBottom */);
         mSeamlessRotationCount = 0;
         mRotatingSeamlessly = false;
-        mDisplayContent.finishFixedRotationAnimation();
     }
 
     private void prepareSeamlessRotation() {
@@ -647,7 +646,6 @@ public class DisplayRotation {
                     "Performing post-rotate rotation after seamless rotation");
             // Finish seamless rotation.
             mRotatingSeamlessly = false;
-            mDisplayContent.finishFixedRotationAnimation();
 
             updateRotationAndSendNewConfigIfChanged();
         }
diff --git a/services/core/java/com/android/server/wm/FixedRotationAnimationController.java b/services/core/java/com/android/server/wm/FixedRotationAnimationController.java
deleted file mode 100644
index 7aca637748899..0000000000000
--- a/services/core/java/com/android/server/wm/FixedRotationAnimationController.java
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * Copyright (C) 2020 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.server.wm;
-
-import static com.android.server.wm.AnimationSpecProto.WINDOW;
-import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_FIXED_TRANSFORM;
-import static com.android.server.wm.WindowAnimationSpecProto.ANIMATION;
-
-import android.content.res.Configuration;
-import android.util.proto.ProtoOutputStream;
-import android.view.SurfaceControl;
-import android.view.animation.Animation;
-import android.view.animation.AnimationUtils;
-import android.view.animation.Transformation;
-
-import com.android.internal.R;
-
-import java.io.PrintWriter;
-import java.util.ArrayList;
-
-/**
- * Controller to fade out and in system ui when applying a fixed rotation transform to a window
- * token.
- *
- * The system bars will be fade out when the fixed rotation transform starts and will be fade in
- * once all surfaces have been rotated.
- */
-public class FixedRotationAnimationController {
-
-    private final WindowManagerService mWmService;
-    private boolean mShowRequested = true;
-    private int mTargetRotation = Configuration.ORIENTATION_UNDEFINED;
-    private final ArrayList<WindowState> mAnimatedWindowStates = new ArrayList<>(2);
-    private final Runnable[] mDeferredFinishCallbacks;
-
-    public FixedRotationAnimationController(DisplayContent displayContent) {
-        mWmService = displayContent.mWmService;
-        addAnimatedWindow(displayContent.getDisplayPolicy().getStatusBar());
-        addAnimatedWindow(displayContent.getDisplayPolicy().getNavigationBar());
-        mDeferredFinishCallbacks = new Runnable[mAnimatedWindowStates.size()];
-    }
-
-    private void addAnimatedWindow(WindowState windowState) {
-        if (windowState != null) {
-            mAnimatedWindowStates.add(windowState);
-        }
-    }
-
-    /**
-     * Show the previously hidden {@link WindowToken} if their surfaces have already been rotated.
-     *
-     * @return True if the show animation has been started, in which case the caller no longer needs
-     * this {@link FixedRotationAnimationController}.
-     */
-    boolean show() {
-        if (!mShowRequested && readyToShow()) {
-            mShowRequested = true;
-            for (int i = mAnimatedWindowStates.size() - 1; i >= 0; i--) {
-                WindowState windowState = mAnimatedWindowStates.get(i);
-                fadeWindowToken(true, windowState.getParent(), i);
-            }
-            return true;
-        }
-        return false;
-    }
-
-    void hide(int targetRotation) {
-        mTargetRotation = targetRotation;
-        if (mShowRequested) {
-            mShowRequested = false;
-            for (int i = mAnimatedWindowStates.size() - 1; i >= 0; i--) {
-                WindowState windowState = mAnimatedWindowStates.get(i);
-                fadeWindowToken(false /* show */, windowState.getParent(), i);
-            }
-        }
-    }
-
-    void cancel() {
-        for (int i = mAnimatedWindowStates.size() - 1; i >= 0; i--) {
-            WindowState windowState = mAnimatedWindowStates.get(i);
-            mShowRequested = true;
-            fadeWindowToken(true /* show */, windowState.getParent(), i);
-        }
-    }
-
-    private void fadeWindowToken(boolean show, WindowContainer<WindowToken> windowToken,
-            int index) {
-        Animation animation = AnimationUtils.loadAnimation(mWmService.mContext,
-                show ? R.anim.fade_in : R.anim.fade_out);
-        LocalAnimationAdapter.AnimationSpec windowAnimationSpec = createAnimationSpec(animation);
-
-        FixedRotationAnimationAdapter animationAdapter = new FixedRotationAnimationAdapter(
-                windowAnimationSpec, windowToken.getSurfaceAnimationRunner(), show, index);
-
-        // We deferred the end of the animation when hiding the token, so we need to end it now that
-        // it's shown again.
-        SurfaceAnimator.OnAnimationFinishedCallback finishedCallback = show ? (t, r) -> {
-            if (mDeferredFinishCallbacks[index] != null) {
-                mDeferredFinishCallbacks[index].run();
-                mDeferredFinishCallbacks[index] = null;
-            }
-        } : null;
-        windowToken.startAnimation(windowToken.getPendingTransaction(), animationAdapter,
-                mShowRequested, ANIMATION_TYPE_FIXED_TRANSFORM, finishedCallback);
-    }
-
-    /**
-     * Check if all the mAnimatedWindowState's surfaces have been rotated to the
-     * mTargetRotation.
-     */
-    private boolean readyToShow() {
-        for (int i = mAnimatedWindowStates.size() - 1; i >= 0; i--) {
-            WindowState windowState = mAnimatedWindowStates.get(i);
-            if (windowState.getConfiguration().windowConfiguration.getRotation()
-                    != mTargetRotation || windowState.mPendingSeamlessRotate != null) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-    private LocalAnimationAdapter.AnimationSpec createAnimationSpec(Animation animation) {
-        return new LocalAnimationAdapter.AnimationSpec() {
-
-            Transformation mTransformation = new Transformation();
-
-            @Override
-            public boolean getShowWallpaper() {
-                return true;
-            }
-
-            @Override
-            public long getDuration() {
-                return animation.getDuration();
-            }
-
-            @Override
-            public void apply(SurfaceControl.Transaction t, SurfaceControl leash,
-                    long currentPlayTime) {
-                mTransformation.clear();
-                animation.getTransformation(currentPlayTime, mTransformation);
-                t.setAlpha(leash, mTransformation.getAlpha());
-            }
-
-            @Override
-            public void dump(PrintWriter pw, String prefix) {
-                pw.print(prefix);
-                pw.println(animation);
-            }
-
-            @Override
-            public void dumpDebugInner(ProtoOutputStream proto) {
-                final long token = proto.start(WINDOW);
-                proto.write(ANIMATION, animation.toString());
-                proto.end(token);
-            }
-        };
-    }
-
-    private class FixedRotationAnimationAdapter extends LocalAnimationAdapter {
-        private final boolean mShow;
-        private final int mIndex;
-
-        FixedRotationAnimationAdapter(AnimationSpec windowAnimationSpec,
-                SurfaceAnimationRunner surfaceAnimationRunner, boolean show, int index) {
-            super(windowAnimationSpec, surfaceAnimationRunner);
-            mShow = show;
-            mIndex = index;
-        }
-
-        @Override
-        public boolean shouldDeferAnimationFinish(Runnable endDeferFinishCallback) {
-            // We defer the end of the hide animation to ensure the tokens stay hidden until
-            // we show them again.
-            if (!mShow) {
-                mDeferredFinishCallbacks[mIndex] = endDeferFinishCallback;
-                return true;
-            }
-            return false;
-        }
-    }
-}
diff --git a/services/core/java/com/android/server/wm/SurfaceAnimator.java b/services/core/java/com/android/server/wm/SurfaceAnimator.java
index 0143eb1abe032..42342a60ba161 100644
--- a/services/core/java/com/android/server/wm/SurfaceAnimator.java
+++ b/services/core/java/com/android/server/wm/SurfaceAnimator.java
@@ -488,12 +488,6 @@ class SurfaceAnimator {
      */
     static final int ANIMATION_TYPE_INSETS_CONTROL = 1 << 5;
 
-    /**
-     * Animation when a fixed rotation transform is applied to a window token.
-     * @hide
-     */
-    static final int ANIMATION_TYPE_FIXED_TRANSFORM = 1 << 6;
-
     /**
      * Bitmask to include all animation types. This is NOT an {@link AnimationType}
      * @hide
@@ -511,8 +505,7 @@ class SurfaceAnimator {
             ANIMATION_TYPE_DIMMER,
             ANIMATION_TYPE_RECENTS,
             ANIMATION_TYPE_WINDOW_ANIMATION,
-            ANIMATION_TYPE_INSETS_CONTROL,
-            ANIMATION_TYPE_FIXED_TRANSFORM
+            ANIMATION_TYPE_INSETS_CONTROL
     })
     @Retention(RetentionPolicy.SOURCE)
     @interface AnimationType {}
diff --git a/services/core/java/com/android/server/wm/WindowToken.java b/services/core/java/com/android/server/wm/WindowToken.java
index 8739bad4398b6..768f89eff774c 100644
--- a/services/core/java/com/android/server/wm/WindowToken.java
+++ b/services/core/java/com/android/server/wm/WindowToken.java
@@ -642,9 +642,6 @@ class WindowToken extends WindowContainer<WindowState> {
         final int originalRotation = getWindowConfiguration().getRotation();
         onConfigurationChanged(parent.getConfiguration());
         onCancelFixedRotationTransform(originalRotation);
-        if (mDisplayContent.mFixedRotationAnimationController != null) {
-            mDisplayContent.mFixedRotationAnimationController.cancel();
-        }
     }
 
     /**
diff --git a/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java b/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java
index 7b23bfb48a1a0..ac95a817bec91 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java
@@ -57,7 +57,6 @@ import static com.android.dx.mockito.inline.extended.ExtendedMockito.same;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.times;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.verify;
-import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_FIXED_TRANSFORM;
 import static com.android.server.wm.WindowContainer.POSITION_TOP;
 import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_NORMAL;
 
@@ -1060,8 +1059,6 @@ public class DisplayContentTests extends WindowTestsBase {
     @Test
     public void testApplyTopFixedRotationTransform() {
         mWm.mIsFixedRotationTransformEnabled = true;
-        mDisplayContent.getDisplayPolicy().addWindowLw(mStatusBarWindow, mStatusBarWindow.mAttrs);
-        mDisplayContent.getDisplayPolicy().addWindowLw(mNavBarWindow, mNavBarWindow.mAttrs);
         final Configuration config90 = new Configuration();
         mDisplayContent.computeScreenConfiguration(config90, ROTATION_90);
 
@@ -1082,12 +1079,6 @@ public class DisplayContentTests extends WindowTestsBase {
                 ROTATION_0 /* oldRotation */, ROTATION_90 /* newRotation */,
                 false /* forceUpdate */));
 
-        assertNotNull(mDisplayContent.mFixedRotationAnimationController);
-        assertTrue(mStatusBarWindow.getParent().isAnimating(WindowContainer.AnimationFlags.PARENTS,
-                ANIMATION_TYPE_FIXED_TRANSFORM));
-        assertTrue(mNavBarWindow.getParent().isAnimating(WindowContainer.AnimationFlags.PARENTS,
-                ANIMATION_TYPE_FIXED_TRANSFORM));
-
         final Rect outFrame = new Rect();
         final Rect outInsets = new Rect();
         final Rect outStableInsets = new Rect();
@@ -1140,9 +1131,6 @@ public class DisplayContentTests extends WindowTestsBase {
         assertFalse(app.hasFixedRotationTransform());
         assertFalse(app2.hasFixedRotationTransform());
         assertEquals(config90.orientation, mDisplayContent.getConfiguration().orientation);
-
-        mDisplayContent.finishFixedRotationAnimation();
-        assertNull(mDisplayContent.mFixedRotationAnimationController);
     }
 
     @Test