diff --git a/src/com/bulenkov/darcula/SystemInfo.java b/src/com/bulenkov/darcula/SystemInfo.java
deleted file mode 100644
index 031b52c..0000000
--- a/src/com/bulenkov/darcula/SystemInfo.java
+++ /dev/null
@@ -1,90 +0,0 @@
-package com.bulenkov.darcula;
-
-/**
- * @author Konstantin Bulenkov
- */
-@SuppressWarnings({"HardCodedStringLiteral", "UtilityClassWithoutPrivateConstructor", "UnusedDeclaration"})
-public class SystemInfo {
-  public static final String OS_NAME = System.getProperty("os.name");
-  public static final String OS_VERSION = System.getProperty("os.version").toLowerCase();
-
-  protected static final String _OS_NAME = OS_NAME.toLowerCase();
-  public static final boolean isWindows = _OS_NAME.startsWith("windows");
-  public static final boolean isOS2 = _OS_NAME.startsWith("os/2") || _OS_NAME.startsWith("os2");
-  public static final boolean isMac = _OS_NAME.startsWith("mac");
-  public static final boolean isLinux = _OS_NAME.startsWith("linux");
-  public static final boolean isUnix = !isWindows && !isOS2;
-
-  public static final boolean isFileSystemCaseSensitive = isUnix && !isMac;
-  public static final boolean isMacOSLion = isLion();
-
-  public static boolean isOsVersionAtLeast(String version) {
-    return compareVersionNumbers(OS_VERSION, version) >= 0;
-  }
-
-
-  private static boolean isTiger() {
-    return isMac &&
-        !OS_VERSION.startsWith("10.0") &&
-        !OS_VERSION.startsWith("10.1") &&
-        !OS_VERSION.startsWith("10.2") &&
-        !OS_VERSION.startsWith("10.3");
-  }
-
-  private static boolean isLeopard() {
-    return isMac && isTiger() && !OS_VERSION.startsWith("10.4");
-  }
-
-  private static boolean isSnowLeopard() {
-    return isMac && isLeopard() && !OS_VERSION.startsWith("10.5");
-  }
-
-  private static boolean isLion() {
-    return isMac && isSnowLeopard() && !OS_VERSION.startsWith("10.6");
-  }
-
-  private static boolean isMountainLion() {
-    return isMac && isLion() && !OS_VERSION.startsWith("10.7");
-  }
-
-  public static int compareVersionNumbers(String v1, String v2) {
-    if (v1 == null && v2 == null) {
-      return 0;
-    }
-    if (v1 == null) {
-      return -1;
-    }
-    if (v2 == null) {
-      return 1;
-    }
-
-    String[] part1 = v1.split("[\\.\\_\\-]");
-    String[] part2 = v2.split("[\\.\\_\\-]");
-
-    int idx = 0;
-    for (; idx < part1.length && idx < part2.length; idx++) {
-      String p1 = part1[idx];
-      String p2 = part2[idx];
-
-      int cmp;
-      if (p1.matches("\\d+") && p2.matches("\\d+")) {
-        cmp = new Integer(p1).compareTo(new Integer(p2));
-      }
-      else {
-        cmp = part1[idx].compareTo(part2[idx]);
-      }
-      if (cmp != 0) return cmp;
-    }
-
-    if (part1.length == part2.length) {
-      return 0;
-    }
-    else if (part1.length > idx) {
-      return 1;
-    }
-    else {
-      return -1;
-    }
-  }
-
-}
diff --git a/src/com/bulenkov/darcula/util/ColorUtil.java b/src/com/bulenkov/darcula/util/ColorUtil.java
deleted file mode 100644
index 776be08..0000000
--- a/src/com/bulenkov/darcula/util/ColorUtil.java
+++ /dev/null
@@ -1,68 +0,0 @@
-package com.bulenkov.darcula.util;
-
-import java.awt.*;
-
-/**
- * @author Konstantin Bulenkov
- */
-public class ColorUtil {
-  private static int shift(int colorComponent, double d) {
-    final int n = (int) (colorComponent * d);
-    return n > 255 ? 255 : n < 0 ? 0 : n;
-  }
-
-  public static Color shift(Color c, double d) {
-    return new Color(shift(c.getRed(), d), shift(c.getGreen(), d), shift(c.getBlue(), d), c.getAlpha());
-  }
-
-  public static Color toAlpha(Color color, int a) {
-    Color c = color != null ? color : Color.black;
-    return new Color(c.getRed(), c.getGreen(), c.getBlue(), a);
-  }
-
-  /**
-   * Return Color object from string. The following formats are allowed:
-   * <code>#abc123</code>,
-   * <code>ABC123</code>,
-   * <code>ab5</code>,
-   * <code>#FFF</code>.
-   *
-   * @param str hex string
-   * @return Color object
-   */
-  public static Color fromHex(String str) {
-    if (str.startsWith("#")) {
-      str = str.substring(1);
-    }
-    if (str.length() == 3) {
-      return new Color(
-          17 * Integer.valueOf(String.valueOf(str.charAt(0)), 16).intValue(),
-          17 * Integer.valueOf(String.valueOf(str.charAt(1)), 16).intValue(),
-          17 * Integer.valueOf(String.valueOf(str.charAt(2)), 16).intValue());
-    } else if (str.length() == 6) {
-      return Color.decode("0x" + str);
-    } else {
-      throw new IllegalArgumentException("Should be String of 3 or 6 chars length.");
-    }
-  }
-
-  public static Color fromHex(String str, Color defaultValue) {
-    try {
-      return fromHex(str);
-    } catch (Exception e) {
-      return defaultValue;
-    }
-  }
-
-  public static boolean isDark(final Color c) {
-    // based on perceptional luminosity, see
-    return (1 - (0.299 * c.getRed() + 0.587 * c.getGreen() + 0.114 * c.getBlue()) / 255) >= 0.5;
-  }
-
-  public static String toHex(final Color c) {
-    final String R = Integer.toHexString(c.getRed());
-    final String G = Integer.toHexString(c.getGreen());
-    final String B = Integer.toHexString(c.getBlue());
-    return (R.length() < 2 ? "0" : "") + R + (G.length() < 2 ? "0" : "") + G + (B.length() < 2 ? "0" : "") + B;
-  }
-}
diff --git a/src/com/bulenkov/darcula/util/EmptyIcon.java b/src/com/bulenkov/darcula/util/EmptyIcon.java
deleted file mode 100644
index 68c3a1c..0000000
--- a/src/com/bulenkov/darcula/util/EmptyIcon.java
+++ /dev/null
@@ -1,78 +0,0 @@
-package com.bulenkov.darcula.util;
-
-import javax.swing.*;
-import java.awt.*;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * @author Konstantin Bulenkov
- */
-public class EmptyIcon implements Icon {
-  private static final Map<Integer, Icon> cache = new HashMap<Integer, Icon>();
-  private final int width;
-  private final int height;
-
-  public static Icon create(int size) {
-    Icon icon = cache.get(size);
-    if (icon == null && size < 129) {
-      cache.put(size, icon = new EmptyIcon(size, size));
-    }
-    return icon == null ? new EmptyIcon(size, size) : icon;
-  }
-
-  public static Icon create(int width, int height) {
-    return width == height ? create(width) : new EmptyIcon(width, height);
-  }
-
-  public static Icon create(Icon base) {
-    return create(base.getIconWidth(), base.getIconHeight());
-  }
-
-  /**
-   * @deprecated use {@linkplain #create(int)} for caching.
-   */
-  public EmptyIcon(int size) {
-    this(size, size);
-  }
-
-  public EmptyIcon(int width, int height) {
-    this.width = width;
-    this.height = height;
-  }
-
-  /**
-   * @deprecated use {@linkplain #create(javax.swing.Icon)} for caching.
-   */
-  public EmptyIcon(Icon base) {
-    this(base.getIconWidth(), base.getIconHeight());
-  }
-
-  public int getIconWidth() {
-    return width;
-  }
-
-  public int getIconHeight() {
-    return height;
-  }
-
-  public void paintIcon(Component component, Graphics g, int i, int j) {
-  }
-
-  public boolean equals(Object o) {
-    if (this == o) return true;
-    if (!(o instanceof EmptyIcon)) return false;
-
-    final EmptyIcon icon = (EmptyIcon)o;
-
-    if (height != icon.height) return false;
-    if (width != icon.width) return false;
-
-    return true;
-  }
-
-  public int hashCode() {
-    int sum = width + height;
-    return sum * (sum + 1)/2 + width;
-  }
-}
diff --git a/src/com/bulenkov/darcula/util/GraphicsConfig.java b/src/com/bulenkov/darcula/util/GraphicsConfig.java
deleted file mode 100644
index 855bbb1..0000000
--- a/src/com/bulenkov/darcula/util/GraphicsConfig.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.bulenkov.darcula.util;
-
-import java.awt.*;
-import java.util.Map;
-
-/**
- * @author Konstantin Bulenkov
- */
-public class GraphicsConfig {
-
-    private final Graphics2D myG;
-    private final Map myHints;
-
-    public GraphicsConfig(Graphics g) {
-        myG = (Graphics2D)g;
-        myHints = (Map)myG.getRenderingHints().clone();
-    }
-
-    public GraphicsConfig setAntialiasing(boolean on) {
-        myG.setRenderingHint(RenderingHints.KEY_ANTIALIASING, on ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF);
-        return this;
-    }
-
-    public Graphics2D getG() {
-        return myG;
-    }
-
-    public void restore() {
-        myG.setRenderingHints(myHints);
-    }
-}
diff --git a/src/com/bulenkov/darcula/util/GraphicsUtil.java b/src/com/bulenkov/darcula/util/GraphicsUtil.java
deleted file mode 100644
index 348d790..0000000
--- a/src/com/bulenkov/darcula/util/GraphicsUtil.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package com.bulenkov.darcula.util;
-
-import java.awt.*;
-import java.util.Map;
-
-/**
- * @author Konstantin Bulenkov
- */
-public class GraphicsUtil {
-  public static void setupAntialiasing(Graphics g2) {
-    setupAntialiasing(g2, true, false);
-  }
-
-  public static void setupAntialiasing(Graphics g2, boolean enableAA, boolean ignoreSystemSettings) {
-    if (g2 instanceof Graphics2D) {
-      Graphics2D g = (Graphics2D)g2;
-      Toolkit tk = Toolkit.getDefaultToolkit();
-      //noinspection HardCodedStringLiteral
-      Map map = (Map)tk.getDesktopProperty("awt.font.desktophints");
-
-      if (map != null && !ignoreSystemSettings) {
-        g.addRenderingHints(map);
-      } else {
-        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
-            enableAA ? RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR : RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
-      }
-    }
-  }
-
-  public static GraphicsConfig setupAAPainting(Graphics g) {
-    final GraphicsConfig config = new GraphicsConfig(g);
-    final Graphics2D g2 = (Graphics2D)g;
-    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-    g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
-    return config;
-  }
-
-  public static GraphicsConfig paintWithAlpha(Graphics g, float alpha) {
-    assert 0.0f <= alpha && alpha <= 1.0f : "alpha should be in range 0.0f .. 1.0f";
-    final GraphicsConfig config = new GraphicsConfig(g);
-    final Graphics2D g2 = (Graphics2D)g;
-
-    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
-    return config;
-  }
-}
diff --git a/src/com/bulenkov/darcula/util/Gray.java b/src/com/bulenkov/darcula/util/Gray.java
deleted file mode 100644
index d25a482..0000000
--- a/src/com/bulenkov/darcula/util/Gray.java
+++ /dev/null
@@ -1,589 +0,0 @@
-package com.bulenkov.darcula.util;
-
-import java.awt.*;
-
-/**
- * @author Konstantin Bulenkov
- */
-@SuppressWarnings({"InspectionUsingGrayColors", "UnusedDeclaration"})
-public class Gray extends Color {
-    private Gray(int num) {
-        super(num, num, num);
-    }
-
-    private Gray(int num, int alpha) {
-        super(num, num, num, alpha);
-    }
-
-    public Color withAlpha(int alpha) {
-        assert 0 <= alpha && alpha <= 255 : "Alpha " + alpha + "is incorrect. Alpha should be in range 0..255";
-        return new Gray(getRed(), alpha);
-    }
-
-    public static Gray get(int gray) {
-        assert 0 <= gray && gray <= 255 : "Gray == " + gray +"Gray should be in range 0..255";
-        return cache[gray];
-    }
-
-    public static Color get(int gray, int alpha) {
-        return get(gray).withAlpha(alpha);
-    }
-
-    public static final Gray _0 = new Gray(0);
-    public static final Gray _1 = new Gray(1);
-    public static final Gray _2 = new Gray(2);
-    public static final Gray _3 = new Gray(3);
-    public static final Gray _4 = new Gray(4);
-    public static final Gray _5 = new Gray(5);
-    public static final Gray _6 = new Gray(6);
-    public static final Gray _7 = new Gray(7);
-    public static final Gray _8 = new Gray(8);
-    public static final Gray _9 = new Gray(9);
-    public static final Gray _10 = new Gray(10);
-    public static final Gray _11 = new Gray(11);
-    public static final Gray _12 = new Gray(12);
-    public static final Gray _13 = new Gray(13);
-    public static final Gray _14 = new Gray(14);
-    public static final Gray _15 = new Gray(15);
-    public static final Gray _16 = new Gray(16);
-    public static final Gray _17 = new Gray(17);
-    public static final Gray _18 = new Gray(18);
-    public static final Gray _19 = new Gray(19);
-    public static final Gray _20 = new Gray(20);
-    public static final Gray _21 = new Gray(21);
-    public static final Gray _22 = new Gray(22);
-    public static final Gray _23 = new Gray(23);
-    public static final Gray _24 = new Gray(24);
-    public static final Gray _25 = new Gray(25);
-    public static final Gray _26 = new Gray(26);
-    public static final Gray _27 = new Gray(27);
-    public static final Gray _28 = new Gray(28);
-    public static final Gray _29 = new Gray(29);
-    public static final Gray _30 = new Gray(30);
-    public static final Gray _31 = new Gray(31);
-    public static final Gray _32 = new Gray(32);
-    public static final Gray _33 = new Gray(33);
-    public static final Gray _34 = new Gray(34);
-    public static final Gray _36 = new Gray(36);
-    public static final Gray _35 = new Gray(35);
-    public static final Gray _37 = new Gray(37);
-    public static final Gray _38 = new Gray(38);
-    public static final Gray _39 = new Gray(39);
-    public static final Gray _40 = new Gray(40);
-    public static final Gray _41 = new Gray(41);
-    public static final Gray _42 = new Gray(42);
-    public static final Gray _43 = new Gray(43);
-    public static final Gray _44 = new Gray(44);
-    public static final Gray _45 = new Gray(45);
-    public static final Gray _46 = new Gray(46);
-    public static final Gray _47 = new Gray(47);
-    public static final Gray _48 = new Gray(48);
-    public static final Gray _49 = new Gray(49);
-    public static final Gray _50 = new Gray(50);
-    public static final Gray _51 = new Gray(51);
-    public static final Gray _52 = new Gray(52);
-    public static final Gray _53 = new Gray(53);
-    public static final Gray _54 = new Gray(54);
-    public static final Gray _55 = new Gray(55);
-    public static final Gray _56 = new Gray(56);
-    public static final Gray _57 = new Gray(57);
-    public static final Gray _58 = new Gray(58);
-    public static final Gray _59 = new Gray(59);
-    public static final Gray _60 = new Gray(60);
-    public static final Gray _61 = new Gray(61);
-    public static final Gray _62 = new Gray(62);
-    public static final Gray _63 = new Gray(63);
-    public static final Gray _64 = new Gray(64);
-    public static final Gray _65 = new Gray(65);
-    public static final Gray _66 = new Gray(66);
-    public static final Gray _67 = new Gray(67);
-    public static final Gray _68 = new Gray(68);
-    public static final Gray _69 = new Gray(69);
-    public static final Gray _70 = new Gray(70);
-    public static final Gray _71 = new Gray(71);
-    public static final Gray _72 = new Gray(72);
-    public static final Gray _73 = new Gray(73);
-    public static final Gray _74 = new Gray(74);
-    public static final Gray _75 = new Gray(75);
-    public static final Gray _76 = new Gray(76);
-    public static final Gray _77 = new Gray(77);
-    public static final Gray _78 = new Gray(78);
-    public static final Gray _79 = new Gray(79);
-    public static final Gray _80 = new Gray(80);
-    public static final Gray _81 = new Gray(81);
-    public static final Gray _82 = new Gray(82);
-    public static final Gray _83 = new Gray(83);
-    public static final Gray _84 = new Gray(84);
-    public static final Gray _85 = new Gray(85);
-    public static final Gray _86 = new Gray(86);
-    public static final Gray _87 = new Gray(87);
-    public static final Gray _88 = new Gray(88);
-    public static final Gray _89 = new Gray(89);
-    public static final Gray _90 = new Gray(90);
-    public static final Gray _91 = new Gray(91);
-    public static final Gray _92 = new Gray(92);
-    public static final Gray _93 = new Gray(93);
-    public static final Gray _94 = new Gray(94);
-    public static final Gray _95 = new Gray(95);
-    public static final Gray _96 = new Gray(96);
-    public static final Gray _97 = new Gray(97);
-    public static final Gray _98 = new Gray(98);
-    public static final Gray _99 = new Gray(99);
-    public static final Gray _100 = new Gray(100);
-    public static final Gray _101 = new Gray(101);
-    public static final Gray _102 = new Gray(102);
-    public static final Gray _103 = new Gray(103);
-    public static final Gray _104 = new Gray(104);
-    public static final Gray _105 = new Gray(105);
-    public static final Gray _106 = new Gray(106);
-    public static final Gray _107 = new Gray(107);
-    public static final Gray _108 = new Gray(108);
-    public static final Gray _109 = new Gray(109);
-    public static final Gray _110 = new Gray(110);
-    public static final Gray _111 = new Gray(111);
-    public static final Gray _112 = new Gray(112);
-    public static final Gray _113 = new Gray(113);
-    public static final Gray _114 = new Gray(114);
-    public static final Gray _115 = new Gray(115);
-    public static final Gray _116 = new Gray(116);
-    public static final Gray _117 = new Gray(117);
-    public static final Gray _118 = new Gray(118);
-    public static final Gray _119 = new Gray(119);
-    public static final Gray _120 = new Gray(120);
-    public static final Gray _121 = new Gray(121);
-    public static final Gray _122 = new Gray(122);
-    public static final Gray _123 = new Gray(123);
-    public static final Gray _124 = new Gray(124);
-    public static final Gray _125 = new Gray(125);
-    public static final Gray _126 = new Gray(126);
-    public static final Gray _127 = new Gray(127);
-    public static final Gray _128 = new Gray(128);
-    public static final Gray _129 = new Gray(129);
-    public static final Gray _130 = new Gray(130);
-    public static final Gray _131 = new Gray(131);
-    public static final Gray _132 = new Gray(132);
-    public static final Gray _133 = new Gray(133);
-    public static final Gray _134 = new Gray(134);
-    public static final Gray _135 = new Gray(135);
-    public static final Gray _136 = new Gray(136);
-    public static final Gray _137 = new Gray(137);
-    public static final Gray _138 = new Gray(138);
-    public static final Gray _139 = new Gray(139);
-    public static final Gray _140 = new Gray(140);
-    public static final Gray _141 = new Gray(141);
-    public static final Gray _142 = new Gray(142);
-    public static final Gray _143 = new Gray(143);
-    public static final Gray _144 = new Gray(144);
-    public static final Gray _145 = new Gray(145);
-    public static final Gray _146 = new Gray(146);
-    public static final Gray _147 = new Gray(147);
-    public static final Gray _148 = new Gray(148);
-    public static final Gray _149 = new Gray(149);
-    public static final Gray _150 = new Gray(150);
-    public static final Gray _151 = new Gray(151);
-    public static final Gray _152 = new Gray(152);
-    public static final Gray _153 = new Gray(153);
-    public static final Gray _154 = new Gray(154);
-    public static final Gray _155 = new Gray(155);
-    public static final Gray _156 = new Gray(156);
-    public static final Gray _157 = new Gray(157);
-    public static final Gray _158 = new Gray(158);
-    public static final Gray _159 = new Gray(159);
-    public static final Gray _160 = new Gray(160);
-    public static final Gray _161 = new Gray(161);
-    public static final Gray _162 = new Gray(162);
-    public static final Gray _163 = new Gray(163);
-    public static final Gray _164 = new Gray(164);
-    public static final Gray _165 = new Gray(165);
-    public static final Gray _166 = new Gray(166);
-    public static final Gray _167 = new Gray(167);
-    public static final Gray _168 = new Gray(168);
-    public static final Gray _169 = new Gray(169);
-    public static final Gray _170 = new Gray(170);
-    public static final Gray _171 = new Gray(171);
-    public static final Gray _172 = new Gray(172);
-    public static final Gray _173 = new Gray(173);
-    public static final Gray _174 = new Gray(174);
-    public static final Gray _175 = new Gray(175);
-    public static final Gray _176 = new Gray(176);
-    public static final Gray _177 = new Gray(177);
-    public static final Gray _178 = new Gray(178);
-    public static final Gray _179 = new Gray(179);
-    public static final Gray _180 = new Gray(180);
-    public static final Gray _181 = new Gray(181);
-    public static final Gray _182 = new Gray(182);
-    public static final Gray _183 = new Gray(183);
-    public static final Gray _184 = new Gray(184);
-    public static final Gray _185 = new Gray(185);
-    public static final Gray _186 = new Gray(186);
-    public static final Gray _187 = new Gray(187);
-    public static final Gray _188 = new Gray(188);
-    public static final Gray _189 = new Gray(189);
-    public static final Gray _190 = new Gray(190);
-    public static final Gray _191 = new Gray(191);
-    public static final Gray _192 = new Gray(192);
-    public static final Gray _193 = new Gray(193);
-    public static final Gray _194 = new Gray(194);
-    public static final Gray _195 = new Gray(195);
-    public static final Gray _196 = new Gray(196);
-    public static final Gray _197 = new Gray(197);
-    public static final Gray _198 = new Gray(198);
-    public static final Gray _199 = new Gray(199);
-    public static final Gray _200 = new Gray(200);
-    public static final Gray _201 = new Gray(201);
-    public static final Gray _202 = new Gray(202);
-    public static final Gray _203 = new Gray(203);
-    public static final Gray _204 = new Gray(204);
-    public static final Gray _205 = new Gray(205);
-    public static final Gray _206 = new Gray(206);
-    public static final Gray _207 = new Gray(207);
-    public static final Gray _208 = new Gray(208);
-    public static final Gray _209 = new Gray(209);
-    public static final Gray _210 = new Gray(210);
-    public static final Gray _211 = new Gray(211);
-    public static final Gray _212 = new Gray(212);
-    public static final Gray _213 = new Gray(213);
-    public static final Gray _214 = new Gray(214);
-    public static final Gray _215 = new Gray(215);
-    public static final Gray _216 = new Gray(216);
-    public static final Gray _217 = new Gray(217);
-    public static final Gray _218 = new Gray(218);
-    public static final Gray _219 = new Gray(219);
-    public static final Gray _220 = new Gray(220);
-    public static final Gray _221 = new Gray(221);
-    public static final Gray _222 = new Gray(222);
-    public static final Gray _223 = new Gray(223);
-    public static final Gray _224 = new Gray(224);
-    public static final Gray _225 = new Gray(225);
-    public static final Gray _226 = new Gray(226);
-    public static final Gray _227 = new Gray(227);
-    public static final Gray _228 = new Gray(228);
-    public static final Gray _229 = new Gray(229);
-    public static final Gray _230 = new Gray(230);
-    public static final Gray _231 = new Gray(231);
-    public static final Gray _232 = new Gray(232);
-    public static final Gray _233 = new Gray(233);
-    public static final Gray _234 = new Gray(234);
-    public static final Gray _235 = new Gray(235);
-    public static final Gray _236 = new Gray(236);
-    public static final Gray _237 = new Gray(237);
-    public static final Gray _238 = new Gray(238);
-    public static final Gray _239 = new Gray(239);
-    public static final Gray _240 = new Gray(240);
-    public static final Gray _241 = new Gray(241);
-    public static final Gray _242 = new Gray(242);
-    public static final Gray _243 = new Gray(243);
-    public static final Gray _244 = new Gray(244);
-    public static final Gray _245 = new Gray(245);
-    public static final Gray _246 = new Gray(246);
-    public static final Gray _247 = new Gray(247);
-    public static final Gray _248 = new Gray(248);
-    public static final Gray _249 = new Gray(249);
-    public static final Gray _250 = new Gray(250);
-    public static final Gray _251 = new Gray(251);
-    public static final Gray _252 = new Gray(252);
-    public static final Gray _253 = new Gray(253);
-    public static final Gray _254 = new Gray(254);
-    public static final Gray _255 = new Gray(255);
-
-    public static final Gray x00 = _0;
-    public static final Gray x01 = _1;
-    public static final Gray x02 = _2;
-    public static final Gray x03 = _3;
-    public static final Gray x04 = _4;
-    public static final Gray x05 = _5;
-    public static final Gray x06 = _6;
-    public static final Gray x07 = _7;
-    public static final Gray x08 = _8;
-    public static final Gray x09 = _9;
-    public static final Gray x0A = _10;
-    public static final Gray x0B = _11;
-    public static final Gray x0C = _12;
-    public static final Gray x0D = _13;
-    public static final Gray x0E = _14;
-    public static final Gray x0F = _15;
-    public static final Gray x10 = _16;
-    public static final Gray x11 = _17;
-    public static final Gray x12 = _18;
-    public static final Gray x13 = _19;
-    public static final Gray x14 = _20;
-    public static final Gray x15 = _21;
-    public static final Gray x16 = _22;
-    public static final Gray x17 = _23;
-    public static final Gray x18 = _24;
-    public static final Gray x19 = _25;
-    public static final Gray x1A = _26;
-    public static final Gray x1B = _27;
-    public static final Gray x1C = _28;
-    public static final Gray x1D = _29;
-    public static final Gray x1E = _30;
-    public static final Gray x1F = _31;
-    public static final Gray x20 = _32;
-    public static final Gray x21 = _33;
-    public static final Gray x22 = _34;
-    public static final Gray x23 = _35;
-    public static final Gray x24 = _36;
-    public static final Gray x25 = _37;
-    public static final Gray x26 = _38;
-    public static final Gray x27 = _39;
-    public static final Gray x28 = _40;
-    public static final Gray x29 = _41;
-    public static final Gray x2A = _42;
-    public static final Gray x2B = _43;
-    public static final Gray x2C = _44;
-    public static final Gray x2D = _45;
-    public static final Gray x2E = _46;
-    public static final Gray x2F = _47;
-    public static final Gray x30 = _48;
-    public static final Gray x31 = _49;
-    public static final Gray x32 = _50;
-    public static final Gray x33 = _51;
-    public static final Gray x34 = _52;
-    public static final Gray x35 = _53;
-    public static final Gray x36 = _54;
-    public static final Gray x37 = _55;
-    public static final Gray x38 = _56;
-    public static final Gray x39 = _57;
-    public static final Gray x3A = _58;
-    public static final Gray x3B = _59;
-    public static final Gray x3C = _60;
-    public static final Gray x3D = _61;
-    public static final Gray x3E = _62;
-    public static final Gray x3F = _63;
-    public static final Gray x40 = _64;
-    public static final Gray x41 = _65;
-    public static final Gray x42 = _66;
-    public static final Gray x43 = _67;
-    public static final Gray x44 = _68;
-    public static final Gray x45 = _69;
-    public static final Gray x46 = _70;
-    public static final Gray x47 = _71;
-    public static final Gray x48 = _72;
-    public static final Gray x49 = _73;
-    public static final Gray x4A = _74;
-    public static final Gray x4B = _75;
-    public static final Gray x4C = _76;
-    public static final Gray x4D = _77;
-    public static final Gray x4E = _78;
-    public static final Gray x4F = _79;
-    public static final Gray x50 = _80;
-    public static final Gray x51 = _81;
-    public static final Gray x52 = _82;
-    public static final Gray x53 = _83;
-    public static final Gray x54 = _84;
-    public static final Gray x55 = _85;
-    public static final Gray x56 = _86;
-    public static final Gray x57 = _87;
-    public static final Gray x58 = _88;
-    public static final Gray x59 = _89;
-    public static final Gray x5A = _90;
-    public static final Gray x5B = _91;
-    public static final Gray x5C = _92;
-    public static final Gray x5D = _93;
-    public static final Gray x5E = _94;
-    public static final Gray x5F = _95;
-    public static final Gray x60 = _96;
-    public static final Gray x61 = _97;
-    public static final Gray x62 = _98;
-    public static final Gray x63 = _99;
-    public static final Gray x64 = _100;
-    public static final Gray x65 = _101;
-    public static final Gray x66 = _102;
-    public static final Gray x67 = _103;
-    public static final Gray x68 = _104;
-    public static final Gray x69 = _105;
-    public static final Gray x6A = _106;
-    public static final Gray x6B = _107;
-    public static final Gray x6C = _108;
-    public static final Gray x6D = _109;
-    public static final Gray x6E = _110;
-    public static final Gray x6F = _111;
-    public static final Gray x70 = _112;
-    public static final Gray x71 = _113;
-    public static final Gray x72 = _114;
-    public static final Gray x73 = _115;
-    public static final Gray x74 = _116;
-    public static final Gray x75 = _117;
-    public static final Gray x76 = _118;
-    public static final Gray x77 = _119;
-    public static final Gray x78 = _120;
-    public static final Gray x79 = _121;
-    public static final Gray x7A = _122;
-    public static final Gray x7B = _123;
-    public static final Gray x7C = _124;
-    public static final Gray x7D = _125;
-    public static final Gray x7E = _126;
-    public static final Gray x7F = _127;
-    public static final Gray x80 = _128;
-    public static final Gray x81 = _129;
-    public static final Gray x82 = _130;
-    public static final Gray x83 = _131;
-    public static final Gray x84 = _132;
-    public static final Gray x85 = _133;
-    public static final Gray x86 = _134;
-    public static final Gray x87 = _135;
-    public static final Gray x88 = _136;
-    public static final Gray x89 = _137;
-    public static final Gray x8A = _138;
-    public static final Gray x8B = _139;
-    public static final Gray x8C = _140;
-    public static final Gray x8D = _141;
-    public static final Gray x8E = _142;
-    public static final Gray x8F = _143;
-    public static final Gray x90 = _144;
-    public static final Gray x91 = _145;
-    public static final Gray x92 = _146;
-    public static final Gray x93 = _147;
-    public static final Gray x94 = _148;
-    public static final Gray x95 = _149;
-    public static final Gray x96 = _150;
-    public static final Gray x97 = _151;
-    public static final Gray x98 = _152;
-    public static final Gray x99 = _153;
-    public static final Gray x9A = _154;
-    public static final Gray x9B = _155;
-    public static final Gray x9C = _156;
-    public static final Gray x9D = _157;
-    public static final Gray x9E = _158;
-    public static final Gray x9F = _159;
-    public static final Gray xA0 = _160;
-    public static final Gray xA1 = _161;
-    public static final Gray xA2 = _162;
-    public static final Gray xA3 = _163;
-    public static final Gray xA4 = _164;
-    public static final Gray xA5 = _165;
-    public static final Gray xA6 = _166;
-    public static final Gray xA7 = _167;
-    public static final Gray xA8 = _168;
-    public static final Gray xA9 = _169;
-    public static final Gray xAA = _170;
-    public static final Gray xAB = _171;
-    public static final Gray xAC = _172;
-    public static final Gray xAD = _173;
-    public static final Gray xAE = _174;
-    public static final Gray xAF = _175;
-    public static final Gray xB0 = _176;
-    public static final Gray xB1 = _177;
-    public static final Gray xB2 = _178;
-    public static final Gray xB3 = _179;
-    public static final Gray xB4 = _180;
-    public static final Gray xB5 = _181;
-    public static final Gray xB6 = _182;
-    public static final Gray xB7 = _183;
-    public static final Gray xB8 = _184;
-    public static final Gray xB9 = _185;
-    public static final Gray xBA = _186;
-    public static final Gray xBB = _187;
-    public static final Gray xBC = _188;
-    public static final Gray xBD = _189;
-    public static final Gray xBE = _190;
-    public static final Gray xBF = _191;
-    public static final Gray xC0 = _192;
-    public static final Gray xC1 = _193;
-    public static final Gray xC2 = _194;
-    public static final Gray xC3 = _195;
-    public static final Gray xC4 = _196;
-    public static final Gray xC5 = _197;
-    public static final Gray xC6 = _198;
-    public static final Gray xC7 = _199;
-    public static final Gray xC8 = _200;
-    public static final Gray xC9 = _201;
-    public static final Gray xCA = _202;
-    public static final Gray xCB = _203;
-    public static final Gray xCC = _204;
-    public static final Gray xCD = _205;
-    public static final Gray xCE = _206;
-    public static final Gray xCF = _207;
-    public static final Gray xD0 = _208;
-    public static final Gray xD1 = _209;
-    public static final Gray xD2 = _210;
-    public static final Gray xD3 = _211;
-    public static final Gray xD4 = _212;
-    public static final Gray xD5 = _213;
-    public static final Gray xD6 = _214;
-    public static final Gray xD7 = _215;
-    public static final Gray xD8 = _216;
-    public static final Gray xD9 = _217;
-    public static final Gray xDA = _218;
-    public static final Gray xDB = _219;
-    public static final Gray xDC = _220;
-    public static final Gray xDD = _221;
-    public static final Gray xDE = _222;
-    public static final Gray xDF = _223;
-    public static final Gray xE0 = _224;
-    public static final Gray xE1 = _225;
-    public static final Gray xE2 = _226;
-    public static final Gray xE3 = _227;
-    public static final Gray xE4 = _228;
-    public static final Gray xE5 = _229;
-    public static final Gray xE6 = _230;
-    public static final Gray xE7 = _231;
-    public static final Gray xE8 = _232;
-    public static final Gray xE9 = _233;
-    public static final Gray xEA = _234;
-    public static final Gray xEB = _235;
-    public static final Gray xEC = _236;
-    public static final Gray xED = _237;
-    public static final Gray xEE = _238;
-    public static final Gray xEF = _239;
-    public static final Gray xF0 = _240;
-    public static final Gray xF1 = _241;
-    public static final Gray xF2 = _242;
-    public static final Gray xF3 = _243;
-    public static final Gray xF4 = _244;
-    public static final Gray xF5 = _245;
-    public static final Gray xF6 = _246;
-    public static final Gray xF7 = _247;
-    public static final Gray xF8 = _248;
-    public static final Gray xF9 = _249;
-    public static final Gray xFA = _250;
-    public static final Gray xFB = _251;
-    public static final Gray xFC = _252;
-    public static final Gray xFD = _253;
-    public static final Gray xFE = _254;
-    public static final Gray xFF = _255;
-
-    private static final Gray[] cache = {
-            _0,   _1,   _2,   _3,   _4,   _5,   _6,   _7,   _8,   _9,  _10,  _11,  _12,  _13,  _14,  _15,
-            _16,  _17,  _18,  _19,  _20,  _21,  _22,  _23,  _24,  _25,  _26,  _27,  _28,  _29,  _30,  _31,
-            _32,  _33,  _34,  _35,  _36,  _37,  _38,  _39,  _40,  _41,  _42,  _43,  _44,  _45,  _46,  _47,
-            _48,  _49,  _50,  _51,  _52,  _53,  _54,  _55,  _56,  _57,  _58,  _59,  _60,  _61,  _62,  _63,
-            _64,  _65,  _66,  _67,  _68,  _69,  _70,  _71,  _72,  _73,  _74,  _75,  _76,  _77,  _78,  _79,
-            _80,  _81,  _82,  _83,  _84,  _85,  _86,  _87,  _88,  _89,  _90,  _91,  _92,  _93,  _94,  _95,
-            _96,  _97,  _98,  _99, _100, _101, _102, _103, _104, _105, _106, _107, _108, _109, _110, _111,
-            _112, _113, _114, _115, _116, _117, _118, _119, _120, _121, _122, _123, _124, _125, _126, _127,
-            _128, _129, _130, _131, _132, _133, _134, _135, _136, _137, _138, _139, _140, _141, _142, _143,
-            _144, _145, _146, _147, _148, _149, _150, _151, _152, _153, _154, _155, _156, _157, _158, _159,
-            _160, _161, _162, _163, _164, _165, _166, _167, _168, _169, _170, _171, _172, _173, _174, _175,
-            _176, _177, _178, _179, _180, _181, _182, _183, _184, _185, _186, _187, _188, _189, _190, _191,
-            _192, _193, _194, _195, _196, _197, _198, _199, _200, _201, _202, _203, _204, _205, _206, _207,
-            _208, _209, _210, _211, _212, _213, _214, _215, _216, _217, _218, _219, _220, _221, _222, _223,
-            _224, _225, _226, _227, _228, _229, _230, _231, _232, _233, _234, _235, _236, _237, _238, _239,
-            _240, _241, _242, _243, _244, _245, _246, _247, _248, _249, _250, _251, _252, _253, _254, _255};
-
-    //public static void main(String[] args) {
-    //  for (int i = 0; i < 256; i++) {
-    //    System.out.println("public static final Gray _" + i + " = new Gray("+ i + ");");
-    //  }
-    //  for (int i = 0; i < 256; i++) {
-    //    System.out.println("public static final Gray x" + (i < 16 ? "0" : "") + Integer.toHexString(i).toUpperCase() + " = _" + i + ";");
-    //  }
-    //
-    //  System.out.println();
-    //  System.out.println("private static final Gray[] cache = {");
-    //  System.out.print("  ");
-    //  for (int i = 0; i < 256; i++) {
-    //    System.out.print(String.format("%4s", "_" + String.valueOf(i)));
-    //    if (i == 255) {
-    //      System.out.println("};");
-    //    } else {
-    //      if (i % 16 == 15) {
-    //        System.out.println(",");
-    //        System.out.print("  ");
-    //      } else {
-    //        System.out.print(", ");
-    //      }
-    //    }
-    //  }
-    //}
-}
diff --git a/src/com/bulenkov/darcula/util/UIManagerUtil.java b/src/com/bulenkov/darcula/util/UIManagerUtil.java
deleted file mode 100644
index 7778f0d..0000000
--- a/src/com/bulenkov/darcula/util/UIManagerUtil.java
+++ /dev/null
@@ -1,138 +0,0 @@
-package com.bulenkov.darcula.util;
-
-import javax.swing.*;
-import javax.swing.border.Border;
-import javax.swing.plaf.ColorUIResource;
-import javax.swing.table.DefaultTableCellRenderer;
-import javax.swing.table.DefaultTableModel;
-import java.awt.*;
-import java.awt.event.MouseEvent;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.Enumeration;
-import java.util.EventObject;
-
-/**
- * @author Konstantin Bulenkov
- */
-public class UIManagerUtil {
-
-  public static void showInfo() {
-    JFrame frame = new JFrame();
-    frame.setSize(500, 800);
-    frame.setTitle("Edit LaF Defaults");
-
-    final UIDefaults defaults = UIManager.getDefaults();
-    Enumeration keys = defaults.keys();
-    final Object[][] data = new Object[defaults.size()][2];
-    int i = 0;
-    while (keys.hasMoreElements()) {
-      Object key = keys.nextElement();
-      data[i][0] = key;
-      data[i][1] = defaults.get(key);
-      i++;
-    }
-
-    Arrays.sort(data, new Comparator<Object[]>() {
-      @Override
-      public int compare(Object[] o1, Object[] o2) {
-        return StringUtil.naturalCompare(o1[0].toString(), o2[0].toString());
-      }
-    });
-
-
-    JTable table = new JTable(new DefaultTableModel(data, new Object[]{"Name", "Value"}) {
-      @Override
-      public boolean isCellEditable(int row, int column) {
-        return column == 1 && getValueAt(row, column) instanceof Color;
-      }
-    }) {
-      @Override
-      public boolean editCellAt(int row, int column, EventObject e) {
-        if (isCellEditable(row, column) && e instanceof MouseEvent) {
-          final Object color = getValueAt(row, column);
-          final Color newColor = JColorChooser.showDialog(null, "Set Color", (Color)color);
-          if (newColor != null) {
-            final ColorUIResource colorUIResource = new ColorUIResource(newColor);
-            final Object key = getValueAt(row, 0);
-            UIManager.put(key, colorUIResource);
-            setValueAt(colorUIResource, row, column);
-          }
-        }
-        return false;
-      }
-    };
-    table.setDefaultRenderer(Object.class, new DefaultTableCellRenderer() {
-      @Override
-      public Component getTableCellRendererComponent(JTable table,
-                                                     Object value,
-                                                     boolean isSelected,
-                                                     boolean hasFocus,
-                                                     int row,
-                                                     int column) {
-        final JPanel panel = new JPanel(new BorderLayout());
-        final JLabel label = new JLabel(value == null ? "" : value.toString());
-        panel.add(label, BorderLayout.CENTER);
-        if (value instanceof Color) {
-          final Color c = (Color) value;
-          label.setText(String.format("[r=%d,g=%d,b=%d] hex=0x%s", c.getRed(), c.getGreen(), c.getBlue(), ColorUtil.toHex(c)));
-          label.setForeground(ColorUtil.isDark(c) ? Color.white : Color.black);
-          panel.setBackground(c);
-          return panel;
-        } else if (value instanceof Icon) {
-          try {
-            final Icon icon = new IconWrap((Icon) value);
-            if (icon.getIconHeight() <= 20) {
-              label.setIcon(icon);
-            }
-            label.setText(String.format("(%dx%d) %s)", icon.getIconWidth(), icon.getIconHeight(), label.getText()));
-          } catch (Throwable e1) {//
-          }
-          return panel;
-        } else if (value instanceof Border) {
-          try {
-            final Insets i = ((Border) value).getBorderInsets(null);
-            label.setText(String.format("[%d, %d, %d, %d] %s", i.top, i.left, i.bottom, i.right, label.getText()));
-            return panel;
-          } catch (Exception ignore) {
-          }
-        }
-        return super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-      }
-    });
-    final JScrollPane pane = new JScrollPane(table);
-    table.setShowGrid(false);
-    final JPanel panel = new JPanel(new BorderLayout());
-    panel.add(pane, BorderLayout.CENTER);
-
-    frame.getContentPane().add(panel);
-    frame.setVisible(true);
-  }
-
-  private static class IconWrap implements Icon {
-    private final Icon myIcon;
-
-    public IconWrap(Icon icon) {
-      myIcon = icon;
-    }
-
-
-    @Override
-    public void paintIcon(Component c, Graphics g, int x, int y) {
-      try {
-        myIcon.paintIcon(c, g, x, y);
-      } catch (Exception e) {
-      }
-    }
-
-    @Override
-    public int getIconWidth() {
-      return myIcon.getIconWidth();
-    }
-
-    @Override
-    public int getIconHeight() {
-      return myIcon.getIconHeight();
-    }
-  }
-}