diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -8,7 +8,7 @@
 return array(
   'names' => array(
     'core.pkg.css' => '75121d30',
-    'core.pkg.js' => '9db3e620',
+    'core.pkg.js' => 'e4f47dfd',
     'darkconsole.pkg.js' => 'e7393ebb',
     'differential.pkg.css' => 'bb338e4b',
     'differential.pkg.js' => '63a77807',
@@ -451,7 +451,7 @@
     'rsrc/js/core/behavior-more.js' => 'a80d0378',
     'rsrc/js/core/behavior-object-selector.js' => '49b73b36',
     'rsrc/js/core/behavior-oncopy.js' => '2926fff2',
-    'rsrc/js/core/behavior-phabricator-nav.js' => '14d7a8b8',
+    'rsrc/js/core/behavior-phabricator-nav.js' => '56a1ca03',
     'rsrc/js/core/behavior-phabricator-remarkup-assist.js' => 'e32d14ab',
     'rsrc/js/core/behavior-refresh-csrf.js' => '7814b593',
     'rsrc/js/core/behavior-remarkup-preview.js' => 'f7379f45',
@@ -597,7 +597,7 @@
     'javelin-behavior-phabricator-keyboard-pager' => 'a8da01f0',
     'javelin-behavior-phabricator-keyboard-shortcuts' => 'd75709e6',
     'javelin-behavior-phabricator-line-linker' => '1499a8cb',
-    'javelin-behavior-phabricator-nav' => '14d7a8b8',
+    'javelin-behavior-phabricator-nav' => '56a1ca03',
     'javelin-behavior-phabricator-notification-example' => '8ce821c5',
     'javelin-behavior-phabricator-object-selector' => '49b73b36',
     'javelin-behavior-phabricator-oncopy' => '2926fff2',
@@ -913,16 +913,6 @@
       'javelin-request',
       'javelin-uri',
     ),
-    '14d7a8b8' => array(
-      'javelin-behavior',
-      'javelin-behavior-device',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-magical-init',
-      'javelin-vector',
-      'javelin-request',
-      'javelin-util',
-    ),
     '16c695bf' => array(
       'javelin-behavior',
       'javelin-dom',
@@ -1192,6 +1182,16 @@
       'javelin-vector',
       'javelin-dom',
     ),
+    '56a1ca03' => array(
+      'javelin-behavior',
+      'javelin-behavior-device',
+      'javelin-stratcom',
+      'javelin-dom',
+      'javelin-magical-init',
+      'javelin-vector',
+      'javelin-request',
+      'javelin-util',
+    ),
     58562350 => array(
       'javelin-dom',
       'javelin-util',
diff --git a/webroot/rsrc/js/core/behavior-phabricator-nav.js b/webroot/rsrc/js/core/behavior-phabricator-nav.js
--- a/webroot/rsrc/js/core/behavior-phabricator-nav.js
+++ b/webroot/rsrc/js/core/behavior-phabricator-nav.js
@@ -17,7 +17,6 @@
   var local = JX.$(config.localID);
   var main = JX.$(config.mainID);
   var drag = JX.$(config.dragID);
-  var background = JX.$(config.backgroundID);
 
 
 // - Flexible Navigation Column ------------------------------------------------
@@ -45,12 +44,6 @@
         minWidth: 1
       },
       {
-        element: background,
-        parameter: 'width',
-        start: JX.Vector.getDim(background).x,
-        minWidth: 1
-      },
-      {
         element: drag,
         parameter: 'left',
         start: JX.$V(drag).x
@@ -106,7 +99,6 @@
 
   function resetdrag() {
     local.style.width = '';
-    background.style.width = '';
     drag.style.left = '';
     content.style.marginLeft = '';
   }