Index: /CKEditor/trunk/_source/core/dom/element.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/element.js	(revision 7524)
+++ /CKEditor/trunk/_source/core/dom/element.js	(revision 7525)
@@ -1184,7 +1184,7 @@
 		removeStyle : function( name )
 		{
-			this.setStyle( name, '' );
-			if ( this.$.style.removeAttribute )
-				this.$.style.removeAttribute( CKEDITOR.tools.cssStyleToDomStyle( name ) );
+			// Removes the specified property from the current style object.
+			var $ = this.$.style;
+			$.removeProperty ? $.removeProperty( name ) : $.removeAttribute( CKEDITOR.tools.cssStyleToDomStyle( name ) );
 
 			if ( !this.$.style.cssText )