diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -7,8 +7,8 @@
  */
 return array(
   'names' => array(
-    'core.pkg.css' => 'a90e12a7',
-    'core.pkg.js' => '13c7e56a',
+    'core.pkg.css' => 'f3021640',
+    'core.pkg.js' => 'b562c3db',
     'darkconsole.pkg.js' => 'e7393ebb',
     'differential.pkg.css' => '3fb7f532',
     'differential.pkg.js' => '634399e9',
@@ -24,7 +24,7 @@
     'rsrc/css/aphront/multi-column.css' => 'fd18389d',
     'rsrc/css/aphront/notification.css' => '3f6c89c9',
     'rsrc/css/aphront/panel-view.css' => '8427b78d',
-    'rsrc/css/aphront/phabricator-nav-view.css' => '370da55a',
+    'rsrc/css/aphront/phabricator-nav-view.css' => '9a498cb0',
     'rsrc/css/aphront/table-view.css' => '832656fd',
     'rsrc/css/aphront/tokenizer.css' => '056da01b',
     'rsrc/css/aphront/tooltip.css' => '1a07aea8',
@@ -499,7 +499,7 @@
     'rsrc/js/core/behavior-more.js' => 'a80d0378',
     'rsrc/js/core/behavior-object-selector.js' => 'e0ec7f2f',
     'rsrc/js/core/behavior-oncopy.js' => '2926fff2',
-    'rsrc/js/core/behavior-phabricator-nav.js' => '56a1ca03',
+    'rsrc/js/core/behavior-phabricator-nav.js' => '08675c6d',
     'rsrc/js/core/behavior-phabricator-remarkup-assist.js' => '116cf19b',
     'rsrc/js/core/behavior-read-only-warning.js' => 'ba158207',
     'rsrc/js/core/behavior-refresh-csrf.js' => 'ab2f381b',
@@ -660,7 +660,7 @@
     'javelin-behavior-phabricator-keyboard-pager' => 'a8da01f0',
     'javelin-behavior-phabricator-keyboard-shortcuts' => '01fca1f0',
     'javelin-behavior-phabricator-line-linker' => '1499a8cb',
-    'javelin-behavior-phabricator-nav' => '56a1ca03',
+    'javelin-behavior-phabricator-nav' => '08675c6d',
     'javelin-behavior-phabricator-notification-example' => '8ce821c5',
     'javelin-behavior-phabricator-object-selector' => 'e0ec7f2f',
     'javelin-behavior-phabricator-oncopy' => '2926fff2',
@@ -786,7 +786,7 @@
     'phabricator-keyboard-shortcut' => '1ae869f2',
     'phabricator-keyboard-shortcut-manager' => '4a021c10',
     'phabricator-main-menu-view' => 'b623169f',
-    'phabricator-nav-view-css' => '370da55a',
+    'phabricator-nav-view-css' => '9a498cb0',
     'phabricator-notification' => 'ccf1cbf8',
     'phabricator-notification-css' => '3f6c89c9',
     'phabricator-notification-menu-css' => 'f31c0bde',
@@ -982,6 +982,16 @@
       'phabricator-prefab',
       'phuix-icon-view',
     ),
+    '08675c6d' => array(
+      'javelin-behavior',
+      'javelin-behavior-device',
+      'javelin-stratcom',
+      'javelin-dom',
+      'javelin-magical-init',
+      'javelin-vector',
+      'javelin-request',
+      'javelin-util',
+    ),
     '087e919c' => array(
       'javelin-install',
       'javelin-dom',
@@ -1337,16 +1347,6 @@
       'javelin-stratcom',
       'javelin-vector',
     ),
-    '56a1ca03' => array(
-      'javelin-behavior',
-      'javelin-behavior-device',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-magical-init',
-      'javelin-vector',
-      'javelin-request',
-      'javelin-util',
-    ),
     '58dea2fa' => array(
       'javelin-install',
       'javelin-util',
diff --git a/src/view/layout/AphrontSideNavFilterView.php b/src/view/layout/AphrontSideNavFilterView.php
--- a/src/view/layout/AphrontSideNavFilterView.php
+++ b/src/view/layout/AphrontSideNavFilterView.php
@@ -254,6 +254,8 @@
     if ($this->flexible) {
       if (!$this->collapsed) {
         $nav_classes[] = 'has-drag-nav';
+      } else {
+        $nav_classes[] = 'has-closed-nav';
       }
 
       Javelin::initBehavior(
diff --git a/webroot/rsrc/css/aphront/phabricator-nav-view.css b/webroot/rsrc/css/aphront/phabricator-nav-view.css
--- a/webroot/rsrc/css/aphront/phabricator-nav-view.css
+++ b/webroot/rsrc/css/aphront/phabricator-nav-view.css
@@ -6,8 +6,8 @@
   cursor: col-resize;
 }
 
-.phabricator-nav-local,
-.phabricator-nav-drag {
+.device-desktop .has-closed-nav div.phabricator-nav-local,
+.device-desktop .has-closed-nav div.phabricator-nav-drag {
   display: none;
 }
 
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
@@ -108,6 +108,7 @@
     collapsed = !collapsed;
     JX.DOM.alterClass(main, 'has-local-nav', !collapsed);
     JX.DOM.alterClass(main, 'has-drag-nav', !collapsed);
+    JX.DOM.alterClass(main, 'has-closed-nav', collapsed);
     resetdrag();
     new JX.Request('/settings/adjust/', JX.bag)
       .setData({ key : 'nav-collapsed', value : (collapsed ? 1 : 0) })