diff --git a/core/res/res/anim/dock_bottom_enter.xml b/core/res/res/anim/dock_bottom_enter.xml
deleted file mode 100644
index bfb97b6d9b805..0000000000000
--- a/core/res/res/anim/dock_bottom_enter.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2012, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the bottom of the screen is entering. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/decelerate_cubic">
-    <translate android:fromYDelta="100%" android:toYDelta="0"
-        android:duration="@integer/dock_enter_exit_duration"/>
-</set>
diff --git a/core/res/res/anim/dock_bottom_exit.xml b/core/res/res/anim/dock_bottom_exit.xml
deleted file mode 100644
index 4e15448aba3e5..0000000000000
--- a/core/res/res/anim/dock_bottom_exit.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2012, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the bottom of the screen is exiting. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/accelerate_cubic">
-    <translate android:fromYDelta="0" android:toYDelta="100%"
-        android:startOffset="100" android:duration="@integer/dock_enter_exit_duration"/>
-</set>
diff --git a/core/res/res/anim/dock_bottom_exit_keyguard.xml b/core/res/res/anim/dock_bottom_exit_keyguard.xml
deleted file mode 100644
index 4de3ce5b89325..0000000000000
--- a/core/res/res/anim/dock_bottom_exit_keyguard.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<!--
-  ~ Copyright (C) 2016 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
-  -->
-
-<!-- Animation for when a dock window at the bottom of the screen is exiting while on Keyguard -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-    android:interpolator="@android:interpolator/fast_out_linear_in">
-    <translate android:fromYDelta="0" android:toYDelta="100%"
-        android:duration="200"/>
-</set>
\ No newline at end of file
diff --git a/core/res/res/anim/dock_left_enter.xml b/core/res/res/anim/dock_left_enter.xml
deleted file mode 100644
index 7f5dfd50afc75..0000000000000
--- a/core/res/res/anim/dock_left_enter.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2012, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the left of the screen is entering. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/decelerate_cubic">
-    <translate android:fromXDelta="-100%" android:toXDelta="0"
-        android:duration="250"/>
-</set>
diff --git a/core/res/res/anim/dock_left_exit.xml b/core/res/res/anim/dock_left_exit.xml
deleted file mode 100644
index 11cbc0b364058..0000000000000
--- a/core/res/res/anim/dock_left_exit.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2012, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the right of the screen is exiting. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/accelerate_cubic">
-    <translate android:fromXDelta="0" android:toXDelta="-100%"
-        android:startOffset="100" android:duration="250"/>
-</set>
diff --git a/core/res/res/anim/dock_right_enter.xml b/core/res/res/anim/dock_right_enter.xml
deleted file mode 100644
index a92c7d234e58e..0000000000000
--- a/core/res/res/anim/dock_right_enter.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2012, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the right of the screen is entering. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/decelerate_cubic">
-    <translate android:fromXDelta="100%" android:toXDelta="0"
-        android:duration="250"/>
-</set>
diff --git a/core/res/res/anim/dock_right_exit.xml b/core/res/res/anim/dock_right_exit.xml
deleted file mode 100644
index 80e4dc3181920..0000000000000
--- a/core/res/res/anim/dock_right_exit.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2012, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the right of the screen is exiting. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/accelerate_cubic">
-    <translate android:fromXDelta="0" android:toXDelta="100%"
-        android:startOffset="100" android:duration="250"/>
-</set>
diff --git a/core/res/res/anim/dock_top_enter.xml b/core/res/res/anim/dock_top_enter.xml
deleted file mode 100644
index f763fb5c1cc99..0000000000000
--- a/core/res/res/anim/dock_top_enter.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2007, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the top of the screen is entering. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/decelerate_cubic">
-    <translate android:fromYDelta="-100%" android:toYDelta="0"
-        android:duration="@integer/dock_enter_exit_duration"/>
-</set>
diff --git a/core/res/res/anim/dock_top_exit.xml b/core/res/res/anim/dock_top_exit.xml
deleted file mode 100644
index 995b7d0ffc8cf..0000000000000
--- a/core/res/res/anim/dock_top_exit.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 2007, 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.
-*/
--->
-
-<!-- Animation for when a dock window at the top of the screen is exiting. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:interpolator/accelerate_cubic">
-    <translate android:fromYDelta="0" android:toYDelta="-100%"
-        android:startOffset="100" android:duration="@integer/dock_enter_exit_duration"/>
-</set>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index e9f80235d7468..8601ea34e7f86 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1690,15 +1690,6 @@
 
   <!-- From android.policy -->
   <java-symbol type="anim" name="app_starting_exit" />
-  <java-symbol type="anim" name="dock_top_enter" />
-  <java-symbol type="anim" name="dock_top_exit" />
-  <java-symbol type="anim" name="dock_bottom_enter" />
-  <java-symbol type="anim" name="dock_bottom_exit" />
-  <java-symbol type="anim" name="dock_bottom_exit_keyguard" />
-  <java-symbol type="anim" name="dock_left_enter" />
-  <java-symbol type="anim" name="dock_left_exit" />
-  <java-symbol type="anim" name="dock_right_enter" />
-  <java-symbol type="anim" name="dock_right_exit" />
   <java-symbol type="anim" name="fade_in" />
   <java-symbol type="anim" name="fade_out" />
   <java-symbol type="anim" name="voice_activity_close_exit" />
diff --git a/services/core/java/com/android/server/wm/ImmersiveModeConfirmation.java b/services/core/java/com/android/server/wm/ImmersiveModeConfirmation.java
index 4c18d0b8a0dcd..56edde09f7477 100644
--- a/services/core/java/com/android/server/wm/ImmersiveModeConfirmation.java
+++ b/services/core/java/com/android/server/wm/ImmersiveModeConfirmation.java
@@ -57,7 +57,6 @@ import android.view.WindowInsets;
 import android.view.WindowInsets.Type;
 import android.view.WindowManager;
 import android.view.WindowManagerGlobal;
-import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 import android.widget.Button;
@@ -109,18 +108,13 @@ public class ImmersiveModeConfirmation {
         mContext = display.getDisplayId() == DEFAULT_DISPLAY
                 ? uiContext : uiContext.createDisplayContext(display);
         mHandler = new H(looper);
-        mShowDelayMs = getNavBarExitDuration() * 3;
+        mShowDelayMs = context.getResources().getInteger(R.integer.dock_enter_exit_duration) * 3L;
         mPanicThresholdMs = context.getResources()
                 .getInteger(R.integer.config_immersive_mode_confirmation_panic);
         mVrModeEnabled = vrModeEnabled;
         mCanSystemBarsBeShownByUser = canSystemBarsBeShownByUser;
     }
 
-    private long getNavBarExitDuration() {
-        Animation exit = AnimationUtils.loadAnimation(mContext, R.anim.dock_bottom_exit);
-        return exit != null ? exit.getDuration() : 0;
-    }
-
     static boolean loadSetting(int currentUserId, Context context) {
         final boolean wasConfirmed = sConfirmed;
         sConfirmed = false;