Index: /CKEditor/branches/versions/3.5.x/CHANGES.html
===================================================================
--- /CKEditor/branches/versions/3.5.x/CHANGES.html	(revision 6144)
+++ /CKEditor/branches/versions/3.5.x/CHANGES.html	(revision 6145)
@@ -48,4 +48,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/5404">#5404</a> : "fillEmptyBlocks" configuration option of v2 is now available.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/5367">#5367</a> : New "CKEDITOR.editor::insertText" method (check api.html sample page for usages) is now provided to insert plain text into editor.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/5367">#5915</a> : Hiding dialog tabs.</li>
 	</ul>
 	<p>
Index: /CKEditor/branches/versions/3.5.x/_source/plugins/dialog/plugin.js
===================================================================
--- /CKEditor/branches/versions/3.5.x/_source/plugins/dialog/plugin.js	(revision 6144)
+++ /CKEditor/branches/versions/3.5.x/_source/plugins/dialog/plugin.js	(revision 6145)
@@ -189,4 +189,32 @@
 			}
 			, editor ).definition;
+
+		var tabsToRemove = {};
+		// Cache tabs that should be removed.
+		if ( !( 'removeDialogContents' in editor._ ) && editor.config.removeDialogContents )
+		{
+			var removeContents = editor.config.removeDialogContents.split( ';' );
+
+			for ( i = 0; i < removeContents.length; i++ )
+			{
+				var parts = removeContents[ i ].split( ':' );
+				if ( parts.length == 2 )
+				{
+					var removeDialogName = parts[ 0 ];
+					if ( !tabsToRemove[ removeDialogName ] )
+						tabsToRemove[ removeDialogName ] = [];
+					tabsToRemove[ removeDialogName ].push( parts[ 1 ] );
+				}
+			}
+			editor._.removeDialogContents = tabsToRemove;
+		}
+
+		// Remove tabs of this dialog.
+		if ( editor._.removeDialogContents && ( tabsToRemove = editor._.removeDialogContents[ dialogName ] ) )
+		{
+			for ( i = 0; i < tabsToRemove.length; i++ )
+				definition.removeContents( tabsToRemove[ i ] );
+		}
+
 		// Initialize load, show, hide, ok and cancel events.
 		if ( definition.onLoad )
@@ -3011,5 +3039,18 @@
  * @example
  * config.dialog_buttonsOrder = 'rtl';
-*/
+ */
+
+/**  
+ * The dialog contents to removed. It's a string composed by dialog name and tab name with a colon between them.
+ * Separate each pair with semicolon (see example).
+ * <b>Note: All names are case-sensitive.</b>
+ * <b>Note: Be cautious when specifying dialog tabs that are mandatory, like "info", dialog functionality might be broken because of this!<b>
+ * @name CKEDITOR.config.removeDialogContents
+ * @type String
+ * @since 3.5
+ * @default ''
+ * @example
+ * config.removeDialogContents = 'flash:advanced;Image:Link';
+ */
 
 /**