diff --git a/src/wp-admin/css/wp-admin.css b/src/wp-admin/css/wp-admin.css
index e603fdbb98..92701ebbab 100644
--- a/src/wp-admin/css/wp-admin.css
+++ b/src/wp-admin/css/wp-admin.css
@@ -2440,7 +2440,7 @@ html.wp-toolbar {
 }
 
 /* two columns on the dash, but keep the setting if one is selected */
-@media only screen and (min-width: 800px) and (max-width: 1399px) {
+@media only screen and (min-width: 800px) and (max-width: 1499px) {
 	#wpbody-content #dashboard-widgets .postbox-container {
 		width: 49.5%;
 	}
@@ -2482,7 +2482,7 @@ html.wp-toolbar {
 }
 
 /* three columns on the dash */
-@media only screen and (min-width: 1400px) and (max-width: 1800px) {
+@media only screen and (min-width: 1500px) and (max-width: 1800px) {
 	#wpbody-content #dashboard-widgets .postbox-container {
 		width: 33.5%;
 	}
diff --git a/src/wp-admin/includes/dashboard.php b/src/wp-admin/includes/dashboard.php
index 02d300c100..d73d8f2b61 100644
--- a/src/wp-admin/includes/dashboard.php
+++ b/src/wp-admin/includes/dashboard.php
@@ -135,10 +135,9 @@ function _wp_dashboard_control_callback( $dashboard, $meta_box ) {
  */
 function wp_dashboard() {
 	$screen = get_current_screen();
-	$class = 'columns-' . get_current_screen()->get_columns();
 
 ?>
-<div id="dashboard-widgets" class="metabox-holder <?php echo $class; ?>">
+<div id="dashboard-widgets" class="metabox-holder">
 	<div id='postbox-container-1' class='postbox-container'>
 	<?php do_meta_boxes( $screen->id, 'normal', '' ); ?>
 	</div>
diff --git a/src/wp-admin/js/dashboard.js b/src/wp-admin/js/dashboard.js
index 9d905947c4..3992353d4e 100644
--- a/src/wp-admin/js/dashboard.js
+++ b/src/wp-admin/js/dashboard.js
@@ -6,8 +6,7 @@ jQuery(document).ready( function($) {
 		welcomePanel = $( '#welcome-panel' ),
 		welcomePanelHide = $('#wp_welcome_panel-hide'),
 		updateWelcomePanel,
-		metaboxHolder = $( '.metabox-holder' ),
-		updateColumnCount;
+		metaboxHolder = $( '.metabox-holder' );
 
 	updateWelcomePanel = function( visible ) {
 		$.post( ajaxurl, {
@@ -132,30 +131,4 @@ jQuery(document).ready( function($) {
 		e.preventDefault();
 	});
 
-	updateColumnCount = function( $window, $holder ) {
-		var cols = 1,
-			windowWidth = parseInt( $window.width(), 10 );
-
-		if (799 < windowWidth && 1299 > windowWidth) {
-			cols = 2;
-		}
-
-		if (1300 < windowWidth && 1799 > windowWidth) {
-			cols = 3;
-		}
-
-		if (1800 < windowWidth) {
-			cols = 4;
-		}
-
-		$holder.attr( 'class', $holder.attr( 'class' ).replace( /columns-\d+/, 'columns-' + cols ) );
-	};
-
-	// Update main column count on load
-	updateColumnCount( $window, metaboxHolder );
-
-	$window.on( 'resize', _.debounce(function() {
-		updateColumnCount( $window, metaboxHolder );
-	}, 30 ) );
-
 } );
diff --git a/src/wp-admin/network/index.php b/src/wp-admin/network/index.php
index 5514331cf3..d1f29523d9 100644
--- a/src/wp-admin/network/index.php
+++ b/src/wp-admin/network/index.php
@@ -60,8 +60,6 @@ wp_enqueue_script( 'dashboard' );
 wp_enqueue_script( 'plugin-install' );
 add_thickbox();
 
-add_screen_option('layout_columns', array('max' => 4, 'default' => 2) );
-
 require_once( ABSPATH . 'wp-admin/admin-header.php' );
 
 ?>