Index: wp-admin/js/accordion.js
===================================================================
--- wp-admin/js/accordion.js	(revision 23853)
+++ wp-admin/js/accordion.js	(working copy)
@@ -15,37 +15,3 @@
 		event.preventDefault();
 	});
 });
-jQuery(document).ready( function($) {
-	// Expand/Collapse
-	$('.accordion-section-title').on('click keydown', function( event ) {
-
-		if ( event.type === 'keydown' &&  13 !== event.which ) // enter
-				return;
-
-		var clicked = $( this ).closest( '.accordion-section' );
-
-		if ( clicked.hasClass('cannot-expand') )
-			return;
-
-		clicked.closest( '.accordion-container' ).find( '.accordion-section' ).not( clicked ).removeClass( 'open' );
-		clicked.toggleClass( 'open' );
-		event.preventDefault();
-	});
-});
-jQuery(document).ready( function($) {
-	// Expand/Collapse
-	$('.accordion-section-title').on('click keydown', function( event ) {
-
-		if ( event.type === 'keydown' &&  13 !== event.which ) // enter
-				return;
-
-		var clicked = $( this ).closest( '.accordion-section' );
-
-		if ( clicked.hasClass('cannot-expand') )
-			return;
-
-		clicked.closest( '.accordion-container' ).find( '.accordion-section' ).not( clicked ).removeClass( 'open' );
-		clicked.toggleClass( 'open' );
-		event.preventDefault();
-	});
-});
\ No newline at end of file