Index: src/wp-admin/js/editor-expand.js
===================================================================
--- src/wp-admin/js/editor-expand.js	(revision 29696)
+++ src/wp-admin/js/editor-expand.js	(working copy)
@@ -31,8 +31,6 @@
 		fixedSideBottom = false,
 		scrollTimer,
 		lastScrollPosition = 0,
-		visualEditorScrollPosition = 0,
-		textEditorScrollPosition = 0,
 		pageYOffsetAtTop = 130,
 		pinnedToolsTop = 56,
 		sidebarBottom = 20,
@@ -226,30 +224,18 @@
 
 		// Adjust when switching editor modes.
 		function mceShow() {
-			textEditorScrollPosition = window.pageYOffset;
-
 			setTimeout( function() {
-				var top = $contentWrap.offset().top;
-
-				if ( window.pageYOffset > top || visualEditorScrollPosition ) {
-					window.scrollTo( window.pageXOffset, visualEditorScrollPosition ? visualEditorScrollPosition : top - heights.adminBarHeight );
-				}
-
 				editor.execCommand( 'wpAutoResize' );
 				adjust();
 			}, 300 );
-
-			adjust();
 		}
 
 		function mceHide() {
-			visualEditorScrollPosition = window.pageYOffset;
-
 			setTimeout( function() {
 				var top = $contentWrap.offset().top;
 
-				if ( window.pageYOffset > top || textEditorScrollPosition ) {
-					window.scrollTo( window.pageXOffset, textEditorScrollPosition ? textEditorScrollPosition : top - heights.adminBarHeight );
+				if ( window.pageYOffset > top ) {
+					window.scrollTo( window.pageXOffset, top - heights.adminBarHeight );
 				}
 
 				textEditorResize();