Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 7622)
+++ /CKEditor/trunk/CHANGES.html	(revision 7623)
@@ -61,4 +61,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/9219">#9219</a> : Protect the &lt;source&gt; element while parsing the contents.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/9281">#9281</a> : [Safari] Fixed inline style breaks dialog advanced tab.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/9281">#9281</a> : [IE8] Fixed unable to remove border from the image dialog.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/core/dom/element.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/element.js	(revision 7622)
+++ /CKEditor/trunk/_source/core/dom/element.js	(revision 7623)
@@ -106,4 +106,7 @@
 };
 
+( function()
+{
+
 CKEDITOR.tools.extend( CKEDITOR.dom.element.prototype,
 	/** @lends CKEDITOR.dom.element.prototype */
@@ -1190,4 +1193,14 @@
 			// Removes the specified property from the current style object.
 			var $ = this.$.style;
+
+			// "removeProperty" need to be specific on the following styles.
+			if ( !$.removeProperty && ( name == 'border' || name == 'margin' || name == 'padding' ) )
+			{
+				var names = expandedRules( name );
+				for ( var i = 0 ; i < names.length ; i++ )
+					this.removeStyle( names[ i ] );
+				return;
+			}
+
 			$.removeProperty ? $.removeProperty( name ) : $.removeAttribute( CKEDITOR.tools.cssStyleToDomStyle( name ) );
 
@@ -1756,10 +1769,32 @@
 	});
 
-( function()
-{
 	var sides = {
 		width : [ "border-left-width", "border-right-width","padding-left", "padding-right" ],
 		height : [ "border-top-width", "border-bottom-width", "padding-top",  "padding-bottom" ]
 	};
+
+	// Generate list of specific style rules, applicable to margin/padding/border.
+	function expandedRules( style )
+	{
+		var sides = [ 'top', 'left', 'right', 'bottom' ], components;
+
+		if ( style == 'border' )
+				components = [ 'color', 'style', 'width' ];
+
+		var styles = [];
+		for ( var i = 0 ; i < sides.length ; i++ )
+		{
+
+			if ( components )
+			{
+				for ( var j = 0 ; j < components.length ; j++ )
+					styles.push( [ style, sides[ i ], components[j] ].join( '-' ) );
+			}
+			else
+				styles.push( [ style, sides[ i ] ].join( '-' ) );
+		}
+
+		return styles;
+	}
 
 	function marginAndPaddingSize( type )
Index: /CKEditor/trunk/_source/plugins/image/dialogs/image.js
===================================================================
--- /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 7622)
+++ /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 7623)
@@ -847,9 +847,5 @@
 															}
 															else if ( !value && this.isChanged() )
-															{
-																element.removeStyle( 'border-width' );
-																element.removeStyle( 'border-style' );
-																element.removeStyle( 'border-color' );
-															}
+																element.removeStyle( 'border' );
 
 															if ( !internalCommit && type == IMAGE )