diff --git a/wp-admin/css/ms.dev.css b/wp-admin/css/ms.dev.css
index eeaaaf6d9..5a5e74918 100644
--- a/wp-admin/css/ms.dev.css
+++ b/wp-admin/css/ms.dev.css
@@ -7,7 +7,7 @@
 }
 
 .rtl #dashboard_right_now p.musub {
-	padding-left: 0;	
+	padding-left: 0;
 	padding-right: 16px;
 }
 
diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index a29cedf46..d65e0e2a0 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -1793,7 +1793,7 @@ function wp_fullscreen_html() {
 <?php
 
 	$media_link_type = 'image';
-	if ( is_multisite() && ( ( ! $mu_media_buttons = get_site_option( 'mu_media_buttons' ) ) || empty( $mu_media_buttons['image'] ) ) ) 
+	if ( is_multisite() && ( ( ! $mu_media_buttons = get_site_option( 'mu_media_buttons' ) ) || empty( $mu_media_buttons['image'] ) ) )
 		$media_link_type = 'media';
 
 	$buttons = array(
diff --git a/wp-admin/js/user-profile.dev.js b/wp-admin/js/user-profile.dev.js
index adffa9519..3c60a4593 100644
--- a/wp-admin/js/user-profile.dev.js
+++ b/wp-admin/js/user-profile.dev.js
@@ -50,7 +50,7 @@
 
 			$('option', select).remove();
 			$.each(inputs, function( id, value ) {
-				var val = value.replace(/<\/?[a-z][^>]*>/gi, ''); 
+				var val = value.replace(/<\/?[a-z][^>]*>/gi, '');
 
 				if ( inputs[id].length && $.inArray( val, dub ) == -1 ) {
 					dub.push(val);
diff --git a/wp-admin/options-general.php b/wp-admin/options-general.php
index 74517e7b1..3f8a7b7eb 100644
--- a/wp-admin/options-general.php
+++ b/wp-admin/options-general.php
@@ -183,7 +183,7 @@ if ( empty($tzstring) ) { // Create a UTC+- zone if no timezone string exists
 	<br />
 	<?php
 	$allowed_zones = timezone_identifiers_list();
-	
+
 	if ( in_array( $tzstring, $allowed_zones) ) {
 		$found = false;
 		$date_time_zone_selected = new DateTimeZone($tzstring);