diff --git a/wp-admin/css/colors-classic.dev.css b/wp-admin/css/colors-classic.dev.css
index fe78964871..c76f5e1738 100644
--- a/wp-admin/css/colors-classic.dev.css
+++ b/wp-admin/css/colors-classic.dev.css
@@ -1248,16 +1248,6 @@ table.widefat .spam a:hover,
 	border-color: #D1E5EE;
 }
 
-#adminmenu li.wp-has-current-submenu.wp-menu-open .wp-menu-toggle,
-#adminmenu li.wp-has-current-submenu:hover .wp-menu-toggle {
-	background: transparent url(../images/arrows-dark-vs.png) no-repeat -1px 6px;
-}
-
-#adminmenu .wp-has-submenu:hover .wp-menu-toggle,
-#adminmenu .wp-menu-open .wp-menu-toggle {
-	background: transparent url(../images/arrows-vs.png) no-repeat -2px 6px;
-}
-
 #adminmenu a.menu-top,
 .folded #adminmenu li.menu-top,
 #adminmenu .wp-submenu .wp-submenu-head {
@@ -2391,16 +2381,6 @@ div.widgets-sortables,
 	background-position: top left;
 }
 
-.rtl #adminmenu li.wp-has-current-submenu.wp-menu-open .wp-menu-toggle,
-.rtl #adminmenu li.wp-has-current-submenu:hover .wp-menu-toggle {
-	background: transparent url(../images/arrows-dark-vs.png) no-repeat 8px 6px;
-}
-
-.rtl #adminmenu .wp-has-submenu:hover .wp-menu-toggle,
-.rtl #adminmenu .wp-menu-open .wp-menu-toggle {
-	background: transparent url(../images/arrows-vs.png) no-repeat 8px 6px;
-}
-
 .rtl #adminmenu .wp-submenu .wp-submenu-head {
 	border-right-color: transparent;
 	border-left-color: #d1e5ee;
diff --git a/wp-admin/css/colors-fresh.dev.css b/wp-admin/css/colors-fresh.dev.css
index a12979fdb4..0719077e91 100644
--- a/wp-admin/css/colors-fresh.dev.css
+++ b/wp-admin/css/colors-fresh.dev.css
@@ -977,16 +977,6 @@ table.widefat .spam a:hover,
 	border-color: #e1e1e1;
 }
 
-#adminmenu li.wp-has-current-submenu.wp-menu-open .wp-menu-toggle,
-#adminmenu li.wp-has-current-submenu:hover .wp-menu-toggle {
-	background: transparent url(../images/arrows-dark.png) no-repeat -1px 6px;
-}
-
-#adminmenu .wp-has-submenu:hover .wp-menu-toggle,
-#adminmenu .wp-menu-open .wp-menu-toggle {
-	background: transparent url(../images/arrows.png) no-repeat -2px 6px;
-}
-
 #adminmenu a.menu-top,
 .folded #adminmenu li.menu-top,
 #adminmenu .wp-submenu .wp-submenu-head {
@@ -2039,16 +2029,6 @@ div.widgets-sortables,
 	background-position: top left;
 }
 
-.rtl #adminmenu li.wp-has-current-submenu.wp-menu-open .wp-menu-toggle,
-.rtl #adminmenu li.wp-has-current-submenu:hover .wp-menu-toggle {
-	background: transparent url(../images/arrows-dark.png) no-repeat 8px 6px;
-}
-
-.rtl #adminmenu .wp-has-submenu:hover .wp-menu-toggle,
-.rtl #adminmenu .wp-menu-open .wp-menu-toggle {
-	background: transparent url(../images/arrows.png) no-repeat 8px 6px;
-}
-
 .rtl #adminmenu .wp-submenu .wp-submenu-head {
 	border-right-color: transparent;
 	border-left-color: #dfdfdf;
diff --git a/wp-admin/css/ie.dev.css b/wp-admin/css/ie.dev.css
index 25533c072b..9943a0ed83 100644
--- a/wp-admin/css/ie.dev.css
+++ b/wp-admin/css/ie.dev.css
@@ -165,7 +165,6 @@ table.fixed td {
 .major-publishing-actions,
 .wp-submenu,
 .wp-submenu li,
-.wp-menu-toggle,
 #template,
 #template div,
 #editcat,
@@ -560,18 +559,6 @@ table.ie-fixed {
 	margin: 0;
 }
 
-* html #wpcontent #adminmenu .wp-menu-open .wp-menu-toggle {
-	background: none;
-}
-
-* html #wpcontent #adminmenu .wp-has-submenu .wp-menu-toggle {
-	background: url(../images/menu-bits.gif?ver=20100610) no-repeat scroll left -109px;
-}
-
-* html #wpcontent #adminmenu li.wp-has-current-submenu .wp-menu-toggle {
-	background: url(../images/menu-bits.gif?ver=20100610) no-repeat scroll left -206px;
-}
-
 * html #adminmenu div.wp-menu-image {
 	height: 29px;
 }
diff --git a/wp-admin/css/wp-admin-rtl.dev.css b/wp-admin/css/wp-admin-rtl.dev.css
index 84c6c35d1d..96fe722f6e 100644
--- a/wp-admin/css/wp-admin-rtl.dev.css
+++ b/wp-admin/css/wp-admin-rtl.dev.css
@@ -479,12 +479,6 @@ form.upgrade .hint {
 	margin-right: 40px;
 }
 
-#adminmenu .wp-menu-toggle {
-	clear: left;
-	float: left;
-	padding: 1px 0 0 2px;
-}
-
 #adminmenu .awaiting-mod,
 #adminmenu span.update-plugins,
 #sidemenu li a span.update-plugins {
diff --git a/wp-admin/css/wp-admin.dev.css b/wp-admin/css/wp-admin.dev.css
index 078dcc9fc7..b1f0a7e3fd 100644
--- a/wp-admin/css/wp-admin.dev.css
+++ b/wp-admin/css/wp-admin.dev.css
@@ -1410,9 +1410,7 @@ form.upgrade .hint {
 	display: block;
 }
 
-.folded #adminmenu a.menu-top,
-body.no-js #adminmenu .wp-menu-toggle,
-.folded #adminmenu div.wp-menu-toggle {
+.folded #adminmenu a.menu-top {
 	display: none;
 }
 
@@ -1665,16 +1663,6 @@ body.no-js #adminmenu .wp-menu-toggle,
 	margin-left: 40px;
 }
 
-#adminmenu .wp-menu-toggle {
-	width: 18px;
-	clear: right;
-	float: right;
-	margin: 1px 0 0;
-	height: 27px;
-	padding: 1px 2px 0 0;
-	cursor: pointer;
-}
-
 #adminmenu .wp-menu-image a {
 	height: 24px;
 }
@@ -1771,8 +1759,7 @@ body.no-js #adminmenu .wp-menu-toggle,
 		display: block;
 	}
 
-	#adminmenu a.menu-top,
-	#adminmenu div.wp-menu-toggle {
+	#adminmenu a.menu-top {
 		display: none;
 	}