diff --git a/org.eclipse.wb.core/src/org/eclipse/wb/internal/core/utils/ui/SwtResourceManager.java b/org.eclipse.wb.core/src/org/eclipse/wb/internal/core/utils/ui/SwtResourceManager.java
deleted file mode 100644
index 6e64ae4886..0000000000
--- a/org.eclipse.wb.core/src/org/eclipse/wb/internal/core/utils/ui/SwtResourceManager.java
+++ /dev/null
@@ -1,475 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2011 Google, Inc.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License 2.0 which is available at
- * https://www.eclipse.org/legal/epl-2.0.
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *    Google, Inc. - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wb.internal.core.utils.ui;
-
-import org.eclipse.wb.internal.core.DesignerPlugin;
-
-import org.eclipse.jface.resource.CompositeImageDescriptor;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.Font;
-import org.eclipse.swt.graphics.FontData;
-import org.eclipse.swt.graphics.GC;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.RGB;
-import org.eclipse.swt.graphics.Rectangle;
-import org.eclipse.swt.widgets.Display;
-
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Utility class for managing OS resources associated with SWT controls such as colors, fonts,
- * images, etc.
- * <p>
- * !!! IMPORTANT !!! Application code must explicitly invoke the <code>dispose()</code> method to
- * release the operating system resources managed by cached objects when those objects and OS
- * resources are no longer needed (e.g. on application shutdown)
- * <p>
- * This class may be freely distributed as part of any application or plugin.
- * <p>
- *
- * @author scheglov_ke
- * @author Dan Rubel
- * @coverage core.ui
- */
-public class SwtResourceManager {
-	////////////////////////////////////////////////////////////////////////////
-	//
-	// Color
-	//
-	////////////////////////////////////////////////////////////////////////////
-	private static Map<RGB, Color> m_colorMap = new HashMap<>();
-
-	/**
-	 * Returns the system {@link Color} matching the specific ID.
-	 *
-	 * @param systemColorID
-	 *          the ID value for the color
-	 * @return the system {@link Color} matching the specific ID
-	 */
-	public static Color getColor(int systemColorID) {
-		Display display = Display.getCurrent();
-		return display.getSystemColor(systemColorID);
-	}
-
-	/**
-	 * Returns a {@link Color} given its red, green and blue component values.
-	 *
-	 * @param r
-	 *          the red component of the color
-	 * @param g
-	 *          the green component of the color
-	 * @param b
-	 *          the blue component of the color
-	 * @return the {@link Color} matching the given red, green and blue component values
-	 */
-	public static Color getColor(int r, int g, int b) {
-		return getColor(new RGB(r, g, b));
-	}
-
-	/**
-	 * Returns a {@link Color} given its RGB value.
-	 *
-	 * @param rgb
-	 *          the {@link RGB} value of the color
-	 * @return the {@link Color} matching the RGB value
-	 */
-	public static Color getColor(RGB rgb) {
-		Color color = m_colorMap.get(rgb);
-		if (color == null) {
-			Display display = Display.getCurrent();
-			color = new Color(display, rgb);
-			m_colorMap.put(rgb, color);
-		}
-		return color;
-	}
-
-	/**
-	 * Dispose of all the cached {@link Color}'s.
-	 */
-	public static void disposeColors() {
-		for (Color color : m_colorMap.values()) {
-			color.dispose();
-		}
-		m_colorMap.clear();
-	}
-
-	////////////////////////////////////////////////////////////////////////////
-	//
-	// Image
-	//
-	////////////////////////////////////////////////////////////////////////////
-	/**
-	 * Maps image paths to images.
-	 */
-	private static Map<String, Image> m_imageMap = new HashMap<>();
-	private static Map<Integer, Image> m_systemImageMap = new HashMap<>();
-
-	/**
-	 * Get an <code>Image</code> from the provide SWT image constant.
-	 *
-	 * @param imageID
-	 *          the SWT image constant.
-	 * @return image the image.
-	 */
-	public static Image getImage(final int imageID) {
-		final Image[] image = new Image[1];
-		image[0] = m_systemImageMap.get(imageID);
-		if (image[0] == null) {
-			final Display display = DesignerPlugin.getStandardDisplay();
-			display.syncExec(() -> image[0] = display.getSystemImage(imageID));
-			m_systemImageMap.put(imageID, image[0]);
-		}
-		return image[0];
-	}
-
-	/**
-	 * Returns an {@link Image} encoded by the specified {@link InputStream}.
-	 *
-	 * @param stream
-	 *          the {@link InputStream} encoding the image data
-	 * @return the {@link Image} encoded by the specified input stream
-	 */
-	protected static Image getImage(InputStream stream) throws IOException {
-		try {
-			Display display = Display.getCurrent();
-			ImageData data = new ImageData(stream);
-			if (data.transparentPixel > 0) {
-				return new Image(display, data, data.getTransparencyMask());
-			}
-			return new Image(display, data);
-		} finally {
-			stream.close();
-		}
-	}
-
-	/**
-	 * Returns an {@link Image} stored in the file at the specified path.
-	 *
-	 * @param path
-	 *          the path to the image file
-	 * @return the {@link Image} stored in the file at the specified path
-	 */
-	public static Image getImage(String path) {
-		Image image = m_imageMap.get(path);
-		if (image == null) {
-			try {
-				image = getImage(new FileInputStream(path));
-				m_imageMap.put(path, image);
-			} catch (Exception e) {
-				image = getMissingImage();
-				m_imageMap.put(path, image);
-			}
-		}
-		return image;
-	}
-
-	/**
-	 * Returns an {@link Image} stored in the file at the specified path relative to the specified
-	 * class.
-	 *
-	 * @param clazz
-	 *          the {@link Class} relative to which to find the image
-	 * @param path
-	 *          the path to the image file, if starts with <code>'/'</code>
-	 * @return the {@link Image} stored in the file at the specified path
-	 */
-	public static Image getImage(Class<?> clazz, String path) {
-		String key = clazz.getName() + '|' + path;
-		Image image = m_imageMap.get(key);
-		if (image == null) {
-			try {
-				image = getImage(clazz.getResourceAsStream(path));
-				m_imageMap.put(key, image);
-			} catch (Exception e) {
-				image = getMissingImage();
-				m_imageMap.put(key, image);
-			}
-		}
-		return image;
-	}
-
-	private static final int MISSING_IMAGE_SIZE = 10;
-
-	/**
-	 * @return the small {@link Image} that can be used as placeholder for missing image.
-	 */
-	private static Image getMissingImage() {
-		Image image = new Image(Display.getCurrent(), MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
-		//
-		GC gc = new GC(image);
-		gc.setBackground(getColor(SWT.COLOR_RED));
-		gc.fillRectangle(0, 0, MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
-		gc.dispose();
-		//
-		return image;
-	}
-
-	/**
-	 * Style constant for placing decorator image in top left corner of base image.
-	 */
-	public static final int TOP_LEFT = 1;
-	/**
-	 * Style constant for placing decorator image in top right corner of base image.
-	 */
-	public static final int TOP_RIGHT = 2;
-	/**
-	 * Style constant for placing decorator image in bottom left corner of base image.
-	 */
-	public static final int BOTTOM_LEFT = 3;
-	/**
-	 * Style constant for placing decorator image in bottom right corner of base image.
-	 */
-	public static final int BOTTOM_RIGHT = 4;
-	/**
-	 * Internal value.
-	 */
-	protected static final int LAST_CORNER_KEY = 5;
-	/**
-	 * Maps images to decorated images.
-	 */
-	@SuppressWarnings("unchecked")
-	private static Map<Image, Map<Image, Image>>[] m_decoratedImageMap = new Map[LAST_CORNER_KEY];
-
-	/**
-	 * Returns an {@link Image} composed of a base image decorated by another image.
-	 *
-	 * @param baseImage
-	 *          the base {@link Image} that should be decorated
-	 * @param decorator
-	 *          the {@link Image} to decorate the base image
-	 * @param corner
-	 *          the corner to place decorator image
-	 * @return the resulting decorated {@link Image}
-	 */
-	public static Image decorateImage(final Image baseImage, final Image decorator, final int corner) {
-		if (corner <= 0 || corner >= LAST_CORNER_KEY) {
-			throw new IllegalArgumentException("Wrong decorate corner");
-		}
-		Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[corner];
-		if (cornerDecoratedImageMap == null) {
-			cornerDecoratedImageMap = new HashMap<>();
-			m_decoratedImageMap[corner] = cornerDecoratedImageMap;
-		}
-		Map<Image, Image> decoratedMap = cornerDecoratedImageMap.get(baseImage);
-		if (decoratedMap == null) {
-			decoratedMap = new HashMap<>();
-			cornerDecoratedImageMap.put(baseImage, decoratedMap);
-		}
-		//
-		Image result = decoratedMap.get(decorator);
-		if (result == null) {
-			final Rectangle bib = baseImage.getBounds();
-			final Rectangle dib = decorator.getBounds();
-			final Point baseImageSize = new Point(bib.width, bib.height);
-			CompositeImageDescriptor compositImageDesc = new CompositeImageDescriptor() {
-				@Override
-				protected void drawCompositeImage(int width, int height) {
-					drawImage(baseImage.getImageData(), 0, 0);
-					if (corner == TOP_LEFT) {
-						drawImage(decorator.getImageData(), 0, 0);
-					} else if (corner == TOP_RIGHT) {
-						drawImage(decorator.getImageData(), bib.width - dib.width, 0);
-					} else if (corner == BOTTOM_LEFT) {
-						drawImage(decorator.getImageData(), 0, bib.height - dib.height);
-					} else if (corner == BOTTOM_RIGHT) {
-						drawImage(decorator.getImageData(), bib.width - dib.width, bib.height - dib.height);
-					}
-				}
-
-				@Override
-				protected Point getSize() {
-					return baseImageSize;
-				}
-			};
-			//
-			result = compositImageDesc.createImage();
-			decoratedMap.put(decorator, result);
-		}
-		return result;
-	}
-
-	/**
-	 * Dispose all of the cached {@link Image}'s.
-	 */
-	public static void disposeImages() {
-		// dispose loaded images
-		{
-			for (Image image : m_imageMap.values()) {
-				image.dispose();
-			}
-			m_imageMap.clear();
-		}
-		// dispose decorated images
-		for (int i = 0; i < m_decoratedImageMap.length; i++) {
-			Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[i];
-			if (cornerDecoratedImageMap != null) {
-				for (Map<Image, Image> decoratedMap : cornerDecoratedImageMap.values()) {
-					for (Image decoratedImage : decoratedMap.values()) {
-						decoratedImage.dispose();
-					}
-					decoratedMap.clear();
-				}
-				cornerDecoratedImageMap.clear();
-			}
-		}
-	}
-
-	////////////////////////////////////////////////////////////////////////////
-	//
-	// Font
-	//
-	////////////////////////////////////////////////////////////////////////////
-	/**
-	 * Maps font keys (constructed from font name, height, style, etc) to fonts.
-	 */
-	private static Map<String, Font> m_fontMap = new HashMap<>();
-	/**
-	 * Maps {@link FontData} to {@link Font}.
-	 */
-	private static Map<FontData, Font> m_fontDataMap = new HashMap<>();
-	/**
-	 * Maps fonts to their bold versions.
-	 */
-	private static Map<Font, Font> m_fontToBoldFontMap = new HashMap<>();
-
-	/**
-	 * @return the {@link Font} for given {@link FontData} array.
-	 */
-	public static Font getFont(FontData[] fontDataArray) {
-		FontData fontData = fontDataArray[0];
-		Font font = m_fontDataMap.get(fontData);
-		if (font == null) {
-			font = new Font(null, fontDataArray);
-			m_fontDataMap.put(fontData, font);
-		}
-		return font;
-	}
-
-	/**
-	 * Returns a {@link Font} based on its name, height and style.
-	 *
-	 * @param name
-	 *          the name of the font
-	 * @param height
-	 *          the height of the font
-	 * @param style
-	 *          the style of the font
-	 * @return {@link Font} The font matching the name, height and style
-	 */
-	public static Font getFont(String name, int height, int style) {
-		return getFont(name, height, style, false, false);
-	}
-
-	/**
-	 * Returns a {@link Font} based on its name, height and style. Windows-specific strikeout and
-	 * underline flags are also supported.
-	 *
-	 * @param name
-	 *          the name of the font
-	 * @param size
-	 *          the size of the font
-	 * @param style
-	 *          the style of the font
-	 * @param strikeout
-	 *          the strikeout flag (warning: Windows only)
-	 * @param underline
-	 *          the underline flag (warning: Windows only)
-	 * @return {@link Font} The font matching the name, height, style, strikeout and underline
-	 */
-	public static Font getFont(String name, int size, int style, boolean strikeout, boolean underline) {
-		String fontName = name + '|' + size + '|' + style + '|' + strikeout + '|' + underline;
-		Font font = m_fontMap.get(fontName);
-		if (font == null) {
-			FontData fontData = new FontData(name, size, style);
-			if (strikeout || underline) {
-				try {
-					Class<?> logFontClass = Class.forName("org.eclipse.swt.internal.win32.LOGFONT"); //$NON-NLS-1$
-					Object logFont = FontData.class.getField("data").get(fontData); //$NON-NLS-1$
-					if (logFont != null && logFontClass != null) {
-						if (strikeout) {
-							logFontClass.getField("lfStrikeOut").set(logFont, (byte) 1); //$NON-NLS-1$
-						}
-						if (underline) {
-							logFontClass.getField("lfUnderline").set(logFont, (byte) 1); //$NON-NLS-1$
-						}
-					}
-				} catch (Throwable e) {
-				}
-			}
-			font = new Font(Display.getCurrent(), fontData);
-			m_fontMap.put(fontName, font);
-		}
-		return font;
-	}
-
-	/**
-	 * Returns a bold version of the given {@link Font}.
-	 *
-	 * @param baseFont
-	 *          the {@link Font} for which a bold version is desired
-	 * @return the bold version of the given {@link Font}
-	 */
-	public static Font getBoldFont(Font baseFont) {
-		Font font = m_fontToBoldFontMap.get(baseFont);
-		if (font == null) {
-			FontData fontDatas[] = baseFont.getFontData();
-			FontData data = fontDatas[0];
-			font = new Font(Display.getCurrent(), data.getName(), data.getHeight(), SWT.BOLD);
-			m_fontToBoldFontMap.put(baseFont, font);
-		}
-		return font;
-	}
-
-	/**
-	 * Dispose all of the cached {@link Font}'s.
-	 */
-	public static void disposeFonts() {
-		// clear map: key -> font
-		for (Font font : m_fontMap.values()) {
-			font.dispose();
-		}
-		m_fontMap.clear();
-		// clear map: FontData -> font
-		for (Font font : m_fontDataMap.values()) {
-			font.dispose();
-		}
-		m_fontDataMap.clear();
-		// clear bold fonts
-		for (Font font : m_fontToBoldFontMap.values()) {
-			font.dispose();
-		}
-		m_fontToBoldFontMap.clear();
-	}
-
-	////////////////////////////////////////////////////////////////////////////
-	//
-	// General
-	//
-	////////////////////////////////////////////////////////////////////////////
-	/**
-	 * Dispose of cached objects and their underlying OS resources. This should only be called when
-	 * the cached objects are no longer needed (e.g. on application shutdown).
-	 */
-	public static void dispose() {
-		disposeColors();
-		disposeImages();
-		disposeFonts();
-	}
-}
\ No newline at end of file