diff --git a/wp-content/themes/twentyfifteen/css/ie.css b/wp-content/themes/twentyfifteen/css/ie.css
index 76ef8a4f92..53de092d9d 100644
--- a/wp-content/themes/twentyfifteen/css/ie.css
+++ b/wp-content/themes/twentyfifteen/css/ie.css
@@ -125,9 +125,8 @@ textarea {
 	padding: 0.75em 0;
 }
 
-.main-navigation .page_item_has_children > a,
-.main-navigation .main-navigation .menu-item-has-children > a {
-	padding-right: 53px;
+.main-navigation .menu-item-has-children > a {
+	padding-right: 48px;
 }
 
 .main-navigation .menu-item-description {
@@ -839,10 +838,9 @@ video {
 	margin-left: auto;
 }
 
-.rtl .main-navigation .page_item_has_children > a,
-.rtl .main-navigation .main-navigation .menu-item-has-children > a {
+.rtl .main-navigation .menu-item-has-children > a {
 	padding-right: 0;
-	padding-left: 53px;
+	padding-left: 48px;
 }
 
 .rtl .secondary-toggle {
diff --git a/wp-content/themes/twentyfifteen/js/functions.js b/wp-content/themes/twentyfifteen/js/functions.js
index 6610757eb0..eb4f8fa6d9 100644
--- a/wp-content/themes/twentyfifteen/js/functions.js
+++ b/wp-content/themes/twentyfifteen/js/functions.js
@@ -11,7 +11,7 @@
 	    topOffset = 0, bodyHeight, sidebarHeight, resizeTimer;
 
 	// Add dropdown toggle that display child menu items.
-	$( '.main-navigation .page_item_has_children > a, .main-navigation .menu-item-has-children > a' ).after( '<button class="dropdown-toggle" aria-expanded="false">' + screenReaderText.expand + '</button>' );
+	$( '.main-navigation .menu-item-has-children > a' ).after( '<button class="dropdown-toggle" aria-expanded="false">' + screenReaderText.expand + '</button>' );
 
 	$( '.dropdown-toggle' ).click( function( e ) {
 		var _this = $( this );
diff --git a/wp-content/themes/twentyfifteen/rtl.css b/wp-content/themes/twentyfifteen/rtl.css
index 35259a664f..4f4a471cdd 100644
--- a/wp-content/themes/twentyfifteen/rtl.css
+++ b/wp-content/themes/twentyfifteen/rtl.css
@@ -156,7 +156,6 @@ td {
 	margin-left: auto;
 }
 
-.main-navigation .page_item_has_children > a,
 .main-navigation .menu-item-has-children > a {
 	padding-right: 0;
 	padding-left: 48px;
@@ -477,12 +476,6 @@ img.alignleft {
 		margin-left: auto;
 	}
 
-	.main-navigation .page_item_has_children > a,
-	.main-navigation .main-navigation .menu-item-has-children > a {
-		padding-right: 0;
-		padding-left: 54px;
-	}
-
 	blockquote.alignright,
 	.wp-caption.alignright
 	img.alignright {
@@ -567,12 +560,6 @@ img.alignleft {
 		padding-left: 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
-	.main-navigation .main-navigation .menu-item-has-children > a {
-		padding-right: 0;
-		padding-left: 53px;
-	}
-
 	blockquote.alignright,
 	.wp-caption.alignright
 	img.alignright {
@@ -652,10 +639,9 @@ img.alignleft {
 		padding-left: 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
 	.main-navigation .menu-item-has-children > a {
 		padding-right: 0;
-		padding-left: 35px;
+		padding-left: 30px;
 	}
 
 	blockquote.alignright,
@@ -729,10 +715,9 @@ img.alignleft {
 		padding-left: 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
 	.main-navigation .menu-item-has-children > a {
 		padding-right: 0;
-		padding-left: 33px;
+		padding-left: 34px;
 	}
 
 	blockquote.alignright,
@@ -795,10 +780,9 @@ img.alignleft {
 		padding-left: 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
 	.main-navigation .menu-item-has-children > a {
 		padding-right: 0;
-		padding-left: 32px;
+		padding-left: 38px;
 	}
 
 	blockquote.alignright,
diff --git a/wp-content/themes/twentyfifteen/style.css b/wp-content/themes/twentyfifteen/style.css
index 60ab5e49b0..654c16d5f8 100644
--- a/wp-content/themes/twentyfifteen/style.css
+++ b/wp-content/themes/twentyfifteen/style.css
@@ -682,9 +682,8 @@ a:focus {
 	position: relative;
 }
 
-.main-navigation .current_page_item > a,
 .main-navigation .current-menu-item > a,
-.main-navigation .current_page_ancestor > a {
+.main-navigation .current-menu-ancestor > a {
 	font-weight: 700;
 }
 
@@ -693,7 +692,6 @@ a:focus {
 	border-top: 0;
 }
 
-.main-navigation .page_item_has_children > a,
 .main-navigation .menu-item-has-children > a {
 	padding-right: 48px;
 }
@@ -2959,11 +2957,6 @@ p > video {
 		margin-left: 1em;
 	}
 
-	.main-navigation .page_item_has_children > a,
-	.main-navigation .main-navigation .menu-item-has-children > a {
-		padding-right: 54px;
-	}
-
 	.main-navigation .menu-item-description {
 		font-size: 14px;
 		font-size: 1.4rem;
@@ -3585,11 +3578,6 @@ p > video {
 		padding: 0.75em 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
-	.main-navigation .main-navigation .menu-item-has-children > a {
-		padding-right: 53px;
-	}
-
 	.main-navigation .menu-item-description {
 		font-size: 16px;
 		font-size: 1.6rem;
@@ -4185,9 +4173,8 @@ p > video {
 		padding: 0.5em 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
 	.main-navigation .menu-item-has-children > a {
-		padding-right: 35px;
+		padding-right: 30px;
 	}
 
 	.main-navigation .menu-item-description {
@@ -4845,9 +4832,8 @@ p > video {
 		padding: 0.4643em 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
 	.main-navigation .menu-item-has-children > a {
-		padding-right: 33px;
+		padding-right: 34px;
 	}
 
 	.main-navigation .menu-item-description {
@@ -5384,9 +5370,8 @@ p > video {
 		padding: 0.5em 0;
 	}
 
-	.main-navigation .page_item_has_children > a,
 	.main-navigation .menu-item-has-children > a {
-		padding-right: 32px;
+		padding-right: 38px;
 	}
 
 	.main-navigation .menu-item-description {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 45cd311315..6566c66f92 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31182';
+$wp_version = '4.2-alpha-31183';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.