diff --git a/proguard.flags b/proguard.flags
index a450183..53a68de 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -2,10 +2,6 @@
   *;
 }
 
--keep class com.android.launcher3.graphics.ShadowDrawable {
-  public <init>(...);
-}
-
 # The support library contains references to newer platform versions.
 # Don't warn about those in case this app is linking against an older
 # platform version.  We know about them, and they are safe.
diff --git a/res/drawable/ic_block_shadow.xml b/res/drawable/ic_block_shadow.xml
deleted file mode 100644
index 045fe8d..0000000
--- a/res/drawable/ic_block_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_block_no_shadow"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/res/drawable/ic_remove_shadow.xml b/res/drawable/ic_remove_shadow.xml
deleted file mode 100644
index 48abc10..0000000
--- a/res/drawable/ic_remove_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_remove_no_shadow"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/res/drawable/ic_setup_shadow.xml b/res/drawable/ic_setup_shadow.xml
deleted file mode 100644
index 10aeee6..0000000
--- a/res/drawable/ic_setup_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_setting"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/res/drawable/ic_uninstall_shadow.xml b/res/drawable/ic_uninstall_shadow.xml
deleted file mode 100644
index b441b0e..0000000
--- a/res/drawable/ic_uninstall_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_uninstall_no_shadow"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/src/com/android/launcher3/graphics/ShadowDrawable.java b/src/com/android/launcher3/graphics/ShadowDrawable.java
deleted file mode 100644
index d8a7070..0000000
--- a/src/com/android/launcher3/graphics/ShadowDrawable.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Copyright (C) 2017 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.launcher3.graphics;
-
-import android.annotation.TargetApi;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.graphics.Bitmap;
-import android.graphics.BlurMaskFilter;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.ColorFilter;
-import android.graphics.Paint;
-import android.graphics.PixelFormat;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
-import android.util.AttributeSet;
-
-import com.android.launcher3.R;
-import com.android.launcher3.icons.BitmapRenderer;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.IOException;
-
-/**
- * A drawable which adds shadow around a child drawable.
- */
-@TargetApi(Build.VERSION_CODES.O)
-public class ShadowDrawable extends Drawable {
-
-    private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
-
-    private final ShadowDrawableState mState;
-
-    @SuppressWarnings("unused")
-    public ShadowDrawable() {
-        this(new ShadowDrawableState());
-    }
-
-    private ShadowDrawable(ShadowDrawableState state) {
-        mState = state;
-    }
-
-    @Override
-    public void draw(Canvas canvas) {
-        Rect bounds = getBounds();
-        if (bounds.isEmpty()) {
-            return;
-        }
-        if (mState.mLastDrawnBitmap == null) {
-            regenerateBitmapCache();
-        }
-        canvas.drawBitmap(mState.mLastDrawnBitmap, null, bounds, mPaint);
-    }
-
-    @Override
-    public void setAlpha(int alpha) {
-        mPaint.setAlpha(alpha);
-        invalidateSelf();
-    }
-
-    @Override
-    public void setColorFilter(ColorFilter colorFilter) {
-        mPaint.setColorFilter(colorFilter);
-        invalidateSelf();
-    }
-
-    @Override
-    public ConstantState getConstantState() {
-        return mState;
-    }
-
-    @Override
-    public int getOpacity() {
-        return PixelFormat.TRANSLUCENT;
-    }
-
-    @Override
-    public int getIntrinsicHeight() {
-        return mState.mIntrinsicHeight;
-    }
-
-    @Override
-    public int getIntrinsicWidth() {
-        return mState.mIntrinsicWidth;
-    }
-
-    @Override
-    public boolean canApplyTheme() {
-        return mState.canApplyTheme();
-    }
-
-    @Override
-    public void applyTheme(Resources.Theme t) {
-        TypedArray ta = t.obtainStyledAttributes(new int[] {R.attr.isWorkspaceDarkText});
-        boolean isDark = ta.getBoolean(0, false);
-        ta.recycle();
-        if (mState.mIsDark != isDark) {
-            mState.mIsDark = isDark;
-            mState.mLastDrawnBitmap = null;
-            invalidateSelf();
-        }
-    }
-
-    private void regenerateBitmapCache() {
-        // Call mutate, so that the pixel allocation by the underlying vector drawable is cleared.
-        Drawable d = mState.mChildState.newDrawable().mutate();
-        d.setBounds(mState.mShadowSize, mState.mShadowSize,
-                mState.mIntrinsicWidth - mState.mShadowSize,
-                mState.mIntrinsicHeight - mState.mShadowSize);
-        d.setTint(mState.mIsDark ? mState.mDarkTintColor : Color.WHITE);
-
-        if (mState.mIsDark) {
-            // Dark text do not have any shadow, but just the bitmap
-            mState.mLastDrawnBitmap = BitmapRenderer.createHardwareBitmap(
-                    mState.mIntrinsicWidth, mState.mIntrinsicHeight, d::draw);
-        } else {
-            Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
-            paint.setMaskFilter(new BlurMaskFilter(mState.mShadowSize, BlurMaskFilter.Blur.NORMAL));
-
-            // Generate the shadow bitmap
-            int[] offset = new int[2];
-            Bitmap shadow = BitmapRenderer.createSoftwareBitmap(
-                    mState.mIntrinsicWidth, mState.mIntrinsicHeight, d::draw)
-                    .extractAlpha(paint, offset);
-
-            paint.setMaskFilter(null);
-            paint.setColor(mState.mShadowColor);
-            mState.mLastDrawnBitmap = BitmapRenderer.createHardwareBitmap(
-                    mState.mIntrinsicWidth, mState.mIntrinsicHeight, c -> {
-                        c.drawBitmap(shadow, offset[0], offset[1], paint);
-                        d.draw(c);
-                    });
-        }
-    }
-
-    @Override
-    public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs,
-            Resources.Theme theme) throws XmlPullParserException, IOException {
-        super.inflate(r, parser, attrs, theme);
-
-        final TypedArray a = theme == null
-                ? r.obtainAttributes(attrs, R.styleable.ShadowDrawable)
-                : theme.obtainStyledAttributes(attrs, R.styleable.ShadowDrawable, 0, 0);
-        try {
-            Drawable d = a.getDrawable(R.styleable.ShadowDrawable_android_src);
-            if (d == null) {
-                throw new XmlPullParserException("missing src attribute");
-            }
-            mState.mShadowColor = a.getColor(
-                    R.styleable.ShadowDrawable_android_shadowColor, Color.BLACK);
-            mState.mShadowSize = a.getDimensionPixelSize(
-                    R.styleable.ShadowDrawable_android_elevation, 0);
-            mState.mDarkTintColor = a.getColor(
-                    R.styleable.ShadowDrawable_darkTintColor, Color.BLACK);
-
-            mState.mIntrinsicHeight = d.getIntrinsicHeight() + 2 * mState.mShadowSize;
-            mState.mIntrinsicWidth = d.getIntrinsicWidth() + 2 * mState.mShadowSize;
-            mState.mChangingConfigurations = d.getChangingConfigurations();
-
-            mState.mChildState = d.getConstantState();
-        } finally {
-            a.recycle();
-        }
-    }
-
-    private static class ShadowDrawableState extends ConstantState {
-
-        int mChangingConfigurations;
-        int mIntrinsicWidth;
-        int mIntrinsicHeight;
-
-        int mShadowColor;
-        int mShadowSize;
-        int mDarkTintColor;
-
-        boolean mIsDark;
-        Bitmap mLastDrawnBitmap;
-        ConstantState mChildState;
-
-        @Override
-        public Drawable newDrawable() {
-            return new ShadowDrawable(this);
-        }
-
-        @Override
-        public int getChangingConfigurations() {
-            return mChangingConfigurations;
-        }
-
-        @Override
-        public boolean canApplyTheme() {
-            return true;
-        }
-    }
-}