diff --git a/platform/platform-resources/src/idea/PlatformActions.xml b/platform/platform-resources/src/idea/PlatformActions.xml
index 270dce1ef8bc..15e29e4a8982 100644
--- a/platform/platform-resources/src/idea/PlatformActions.xml
+++ b/platform/platform-resources/src/idea/PlatformActions.xml
@@ -463,7 +463,6 @@
 
       <action id="UiInspector" internal="true" class="com.intellij.internal.inspector.UiInspectorAction" text="UI Inspector"/>
       <action id="ShowSplash" internal="true" class="com.intellij.ui.ShowSplashAction" text="Show Splash" />
-      <action id="ShowDirDiff" internal="true" class="com.intellij.openapi.diff.impl.dir.TestDirDiffAction" text="Show Dir Diff" />
       <action id="ValidationTest" internal="true" class="com.intellij.internal.validation.TestDialogWithValidationAction" text="Validation Dialog Test" />
       <separator/>
       <reference ref="MaintenanceGroup"/>
diff --git a/platform/vcs-impl/src/com/intellij/openapi/diff/impl/dir/TestDirDiffAction.java b/platform/vcs-impl/src/com/intellij/openapi/diff/impl/dir/TestDirDiffAction.java
deleted file mode 100644
index 36312816ee16..000000000000
--- a/platform/vcs-impl/src/com/intellij/openapi/diff/impl/dir/TestDirDiffAction.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright 2000-2011 JetBrains s.r.o.
- *
- * 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.intellij.openapi.diff.impl.dir;
-
-import com.intellij.openapi.actionSystem.AnAction;
-import com.intellij.openapi.actionSystem.AnActionEvent;
-import com.intellij.openapi.actionSystem.PlatformDataKeys;
-import com.intellij.openapi.ui.DialogWrapper;
-import com.intellij.ui.ScrollPaneFactory;
-import com.intellij.ui.table.JBTable;
-
-import javax.swing.*;
-import javax.swing.table.DefaultTableModel;
-import java.awt.*;
-
-/**
- * @author Konstantin Bulenkov
- */
-public class TestDirDiffAction extends AnAction {
-  @Override
-  public void actionPerformed(AnActionEvent e) {
-    new DialogWrapper(e.getData(PlatformDataKeys.PROJECT)) {
-      {
-        init();
-      }
-
-      @Override
-      protected JComponent createCenterPanel() {
-        final JPanel panel = new JPanel(new BorderLayout());
-        final JBTable table = new JBTable();
-        table.setModel(new DefaultTableModel(new Object[][]{{"aaa", "bbb"}, {"ccc", "ddd"}}, new Object[]{"foo", "bar"}));
-        panel.add(ScrollPaneFactory.createScrollPane(table), BorderLayout.CENTER);
-        return panel;
-      }
-    }.show();
-  }
-}