diff --git a/src/com/android/customization/model/theme/DefaultThemeProvider.java b/src/com/android/customization/model/theme/DefaultThemeProvider.java
index 404130f..89067c6 100644
--- a/src/com/android/customization/model/theme/DefaultThemeProvider.java
+++ b/src/com/android/customization/model/theme/DefaultThemeProvider.java
@@ -44,10 +44,6 @@
 import com.android.customization.model.theme.custom.CustomTheme;
 import com.android.customization.module.CustomizationPreferences;
 import com.android.wallpaper.R;
-import com.android.wallpaper.asset.ResourceAsset;
-
-import com.bumptech.glide.request.RequestOptions;
-import com.google.android.apps.wallpaper.asset.ThemeBundleThumbAsset;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -425,18 +421,4 @@
     private String getOverlayPackage(String prefix, String themeName) {
         return getItemStringFromStub(prefix, themeName);
     }
-
-    private ResourceAsset getDrawableResourceAsset(String prefix, String themeName) {
-        int drawableResId = mStubApkResources.getIdentifier(prefix + themeName,
-                "drawable", mStubPackageName);
-        return drawableResId == 0 ? null : new ResourceAsset(mStubApkResources, drawableResId,
-                RequestOptions.fitCenterTransform());
-    }
-
-    private ThemeBundleThumbAsset getThumbAsset(String prefix, String themeName) {
-        int drawableResId = mStubApkResources.getIdentifier(prefix + themeName,
-                "drawable", mStubPackageName);
-        return drawableResId == 0 ? null : new ThemeBundleThumbAsset(mStubApkResources,
-                drawableResId);
-    }
 }
diff --git a/src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java b/src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java
deleted file mode 100644
index d941854..0000000
--- a/src/com/google/android/apps/wallpaper/asset/ThemeBundleThumbAsset.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2019 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.google.android.apps.wallpaper.asset;
-
-import android.app.Activity;
-import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.LayerDrawable;
-import android.os.AsyncTask;
-
-import androidx.annotation.Nullable;
-
-import com.android.wallpaper.asset.Asset;
-import com.android.wallpaper.module.DrawableLayerResolver;
-import com.android.wallpaper.module.InjectorProvider;
-
-public class ThemeBundleThumbAsset extends Asset {
-    private final Resources mRes;
-    private final int mResId;
-    private final DrawableLayerResolver mLayerResolver;
-
-    public ThemeBundleThumbAsset(Resources res, int resId) {
-        mRes = res;
-        mResId = resId;
-        mLayerResolver = InjectorProvider.getInjector().getDrawableLayerResolver();
-    }
-
-    @Override
-    public void decodeBitmap(int targetWidth, int targetHeight, BitmapReceiver receiver) {
-        // No scaling is needed, as the thumbnail is already a thumbnail.
-        LoadThumbnailTask task = new LoadThumbnailTask(mRes, mResId, mLayerResolver, receiver);
-        task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-
-    @Override
-    public void decodeBitmapRegion(Rect rect, int targetWidth, int targetHeight,
-            boolean shouldAdjustForRtl, BitmapReceiver receiver) {
-
-    }
-
-    @Override
-    public void decodeRawDimensions(@Nullable Activity activity, DimensionsReceiver receiver) {
-
-    }
-
-    @Override
-    public boolean supportsTiling() {
-        return false;
-    }
-
-    /**
-     * AsyncTask subclass which loads the live wallpaper's thumbnail bitmap off the main UI thread.
-     * Resolves with null if live wallpaper thumbnail is not a bitmap.
-     */
-    private static class LoadThumbnailTask extends AsyncTask<Void, Void, Bitmap> {
-        private final DrawableLayerResolver mLayerResolver;
-        private final Resources mResources;
-        private final int mResId;
-        private BitmapReceiver mReceiver;
-
-        public LoadThumbnailTask(Resources res, int resId, DrawableLayerResolver resolver,
-                BitmapReceiver receiver) {
-            mLayerResolver = resolver;
-            mReceiver = receiver;
-            mResources = res;
-            mResId = resId;
-        }
-
-        @Override
-        protected Bitmap doInBackground(Void... unused) {
-            Drawable thumb = mResources.getDrawable(mResId, null);
-
-            // Live wallpaper components may or may not specify a thumbnail drawable.
-            if (thumb instanceof BitmapDrawable) {
-                return ((BitmapDrawable) thumb).getBitmap();
-            } else if (thumb instanceof LayerDrawable) {
-                Drawable layer = mLayerResolver.resolveLayer((LayerDrawable) thumb);
-                if (layer instanceof BitmapDrawable) {
-                    return ((BitmapDrawable) layer).getBitmap();
-                }
-            }
-
-            // If no thumbnail was specified, return a null bitmap.
-            return null;
-        }
-
-        @Override
-        protected void onPostExecute(Bitmap bitmap) {
-            mReceiver.onBitmapDecoded(bitmap);
-        }
-    }
-}