Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 5846)
+++ /CKEditor/trunk/CHANGES.html	(revision 5847)
@@ -57,4 +57,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/5715">#5715</a> : Cell color picker dialog returns focus to document.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/6108">#6108</a> : Fixed div style.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/5336">#5336</a> : Remove object style.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/styles/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/styles/plugin.js	(revision 5846)
+++ /CKEditor/trunk/_source/plugins/styles/plugin.js	(revision 5847)
@@ -138,4 +138,6 @@
 						this.type == CKEDITOR.STYLE_INLINE ?
 							removeInlineStyle
+						: this.type == CKEDITOR.STYLE_OBJECT ?
+							removeObjectStyle
 						: null ).call( this, range );
 		},
@@ -720,4 +722,39 @@
 	}
 
+	function removeObjectStyle( range )
+	{
+		var root = range.getCommonAncestor( true, true ),
+				element = root.getAscendant( this.element, true );
+
+		if ( !element )
+			return;
+
+		var style = this;
+		var def = style._.definition;
+		var attributes = def.attributes;
+		var styles = CKEDITOR.style.getStyleText( def );
+
+		// Remove all defined attributes.
+		if ( attributes )
+		{
+			for ( var att in attributes )
+			{
+				element.removeAttribute( att, attributes[ att ] );
+			}
+		}
+
+		// Assign all defined styles.
+		if ( def.styles )
+		{
+			for ( var i in def.styles )
+			{
+				if ( !def.styles.hasOwnProperty( i ) )
+					continue;
+				
+				element.removeStyle( i );
+			}
+		}
+	}
+
 	function applyBlockStyle( range )
 	{
@@ -1081,6 +1118,14 @@
 
 		// Assign all defined styles.
-		if ( styles )
-			el.setAttribute( 'style', styles );
+		if ( def.styles )
+		{
+			for ( var i in def.styles )
+			{
+				if ( !def.styles.hasOwnProperty( i ) )
+					continue;
+
+				el.setStyle( i, def.styles[ i ] );
+			}
+		}
 
 		return el;
Index: /CKEditor/trunk/_source/plugins/stylescombo/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/stylescombo/plugin.js	(revision 5846)
+++ /CKEditor/trunk/_source/plugins/stylescombo/plugin.js	(revision 5847)
@@ -1,3 +1,3 @@
-/*
+/*
 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.html or http://ckeditor.com/license
@@ -108,4 +108,6 @@
 
 						if ( style.type == CKEDITOR.STYLE_INLINE && style.checkActive( elementPath ) )
+							style.remove( editor.document );
+						else if ( style.type == CKEDITOR.STYLE_OBJECT && style.checkActive( elementPath ) )
 							style.remove( editor.document );
 						else