diff --git a/src/com/android/launcher3/icons/MonochromeIconFactory.java b/src/com/android/launcher3/icons/MonochromeIconFactory.java
deleted file mode 100644
index 2854d51..0000000
--- a/src/com/android/launcher3/icons/MonochromeIconFactory.java
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2022 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.icons;
-
-import static android.graphics.Paint.FILTER_BITMAP_FLAG;
-
-import android.annotation.TargetApi;
-import android.graphics.Bitmap;
-import android.graphics.Bitmap.Config;
-import android.graphics.BlendMode;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.ColorFilter;
-import android.graphics.ColorMatrix;
-import android.graphics.ColorMatrixColorFilter;
-import android.graphics.Paint;
-import android.graphics.PixelFormat;
-import android.graphics.Rect;
-import android.graphics.drawable.AdaptiveIconDrawable;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
-
-import androidx.annotation.WorkerThread;
-
-import com.android.launcher3.icons.BaseIconFactory.ClippedMonoDrawable;
-
-import java.nio.ByteBuffer;
-
-/**
- * Utility class to generate monochrome icons version for a given drawable.
- */
-@TargetApi(Build.VERSION_CODES.TIRAMISU)
-public class MonochromeIconFactory extends Drawable {
-
-    private final Bitmap mFlatBitmap;
-    private final Canvas mFlatCanvas;
-    private final Paint mCopyPaint;
-
-    private final Bitmap mAlphaBitmap;
-    private final Canvas mAlphaCanvas;
-    private final byte[] mPixels;
-
-    private final int mBitmapSize;
-    private final int mEdgePixelLength;
-
-    private final Paint mDrawPaint;
-    private final Rect mSrcRect;
-
-    MonochromeIconFactory(int iconBitmapSize) {
-        float extraFactor = AdaptiveIconDrawable.getExtraInsetFraction();
-        float viewPortScale = 1 / (1 + 2 * extraFactor);
-        mBitmapSize = Math.round(iconBitmapSize * 2 * viewPortScale);
-        mPixels = new byte[mBitmapSize * mBitmapSize];
-        mEdgePixelLength = mBitmapSize * (mBitmapSize - iconBitmapSize) / 2;
-
-        mFlatBitmap = Bitmap.createBitmap(mBitmapSize, mBitmapSize, Config.ARGB_8888);
-        mFlatCanvas = new Canvas(mFlatBitmap);
-
-        mAlphaBitmap = Bitmap.createBitmap(mBitmapSize, mBitmapSize, Config.ALPHA_8);
-        mAlphaCanvas = new Canvas(mAlphaBitmap);
-
-        mDrawPaint = new Paint(FILTER_BITMAP_FLAG);
-        mDrawPaint.setColor(Color.WHITE);
-        mSrcRect = new Rect(0, 0, mBitmapSize, mBitmapSize);
-
-        mCopyPaint = new Paint(FILTER_BITMAP_FLAG);
-        mCopyPaint.setBlendMode(BlendMode.SRC);
-
-        // Crate a color matrix which converts the icon to grayscale and then uses the average
-        // of RGB components as the alpha component.
-        ColorMatrix satMatrix = new ColorMatrix();
-        satMatrix.setSaturation(0);
-        float[] vals = satMatrix.getArray();
-        vals[15] = vals[16] = vals[17] = .3333f;
-        vals[18] = vals[19] = 0;
-        mCopyPaint.setColorFilter(new ColorMatrixColorFilter(vals));
-    }
-
-    private void drawDrawable(Drawable drawable) {
-        if (drawable != null) {
-            drawable.setBounds(0, 0, mBitmapSize, mBitmapSize);
-            drawable.draw(mFlatCanvas);
-        }
-    }
-
-    /**
-     * Creates a monochrome version of the provided drawable
-     */
-    @WorkerThread
-    public Drawable wrap(AdaptiveIconDrawable icon) {
-        mFlatCanvas.drawColor(Color.BLACK);
-        drawDrawable(icon.getBackground());
-        drawDrawable(icon.getForeground());
-        generateMono();
-        return new ClippedMonoDrawable(this);
-    }
-
-    @WorkerThread
-    private void generateMono() {
-        mAlphaCanvas.drawBitmap(mFlatBitmap, 0, 0, mCopyPaint);
-
-        // Scale the end points:
-        ByteBuffer buffer = ByteBuffer.wrap(mPixels);
-        buffer.rewind();
-        mAlphaBitmap.copyPixelsToBuffer(buffer);
-
-        int min = 0xFF;
-        int max = 0;
-        for (byte b : mPixels) {
-            min = Math.min(min, b & 0xFF);
-            max = Math.max(max, b & 0xFF);
-        }
-
-        if (min < max) {
-            // rescale pixels to increase contrast
-            float range = max - min;
-
-            // In order to check if the colors should be flipped, we just take the average color
-            // of top and bottom edge which should correspond to be background color. If the edge
-            // colors have more opacity, we flip the colors;
-            int sum = 0;
-            for (int i = 0; i < mEdgePixelLength; i++) {
-                sum += (mPixels[i] & 0xFF);
-                sum += (mPixels[mPixels.length - 1 - i] & 0xFF);
-            }
-            float edgeAverage = sum / (mEdgePixelLength * 2f);
-            float edgeMapped = (edgeAverage - min) / range;
-            boolean flipColor = edgeMapped > .5f;
-
-            for (int i = 0; i < mPixels.length; i++) {
-                int p = mPixels[i] & 0xFF;
-                int p2 = Math.round((p - min) * 0xFF / range);
-                mPixels[i] = flipColor ? (byte) (255 - p2) : (byte) (p2);
-            }
-            buffer.rewind();
-            mAlphaBitmap.copyPixelsFromBuffer(buffer);
-        }
-    }
-
-    @Override
-    public void draw(Canvas canvas) {
-        canvas.drawBitmap(mAlphaBitmap, mSrcRect, getBounds(), mDrawPaint);
-    }
-
-    @Override
-    public int getOpacity() {
-        return PixelFormat.TRANSLUCENT;
-    }
-
-    @Override
-    public void setAlpha(int i) {
-        mDrawPaint.setAlpha(i);
-    }
-
-    @Override
-    public void setColorFilter(ColorFilter colorFilter) {
-        mDrawPaint.setColorFilter(colorFilter);
-    }
-}