diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -13,7 +13,7 @@
     'core.pkg.js' => '599698a7',
     'darkconsole.pkg.js' => '1f9a31bc',
     'differential.pkg.css' => '7d4cfa59',
-    'differential.pkg.js' => 'fc6a23eb',
+    'differential.pkg.js' => 'd7e3edd5',
     'diffusion.pkg.css' => 'b93d9b8c',
     'diffusion.pkg.js' => '84c8f8fd',
     'favicon.ico' => '30672e08',
@@ -392,7 +392,7 @@
     'rsrc/js/application/dashboard/behavior-dashboard-tab-panel.js' => 'd4eecc63',
     'rsrc/js/application/diff/DiffChangeset.js' => 'cf4e2140',
     'rsrc/js/application/diff/DiffChangesetList.js' => 'a716ca27',
-    'rsrc/js/application/diff/DiffInline.js' => '93cbb03f',
+    'rsrc/js/application/diff/DiffInline.js' => 'ca0fafde',
     'rsrc/js/application/diff/ScrollObjective.js' => '9df4e4e2',
     'rsrc/js/application/diff/ScrollObjectiveList.js' => '085dd101',
     'rsrc/js/application/diff/behavior-preview-link.js' => '051c7832',
@@ -779,7 +779,7 @@
     'phabricator-dashboard-css' => 'fe5b1869',
     'phabricator-diff-changeset' => 'cf4e2140',
     'phabricator-diff-changeset-list' => 'a716ca27',
-    'phabricator-diff-inline' => '93cbb03f',
+    'phabricator-diff-inline' => 'ca0fafde',
     'phabricator-drag-and-drop-file-upload' => '58dea2fa',
     'phabricator-draggable-list' => 'bea6e7f4',
     'phabricator-fatal-config-template-css' => '8f18fa41',
@@ -1604,9 +1604,6 @@
       'javelin-stratcom',
       'javelin-dom',
     ),
-    '93cbb03f' => array(
-      'javelin-dom',
-    ),
     '93d0c9e3' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1979,6 +1976,9 @@
       'phabricator-shaped-request',
       'conpherence-thread-manager',
     ),
+    'ca0fafde' => array(
+      'javelin-dom',
+    ),
     'caade6f2' => array(
       'javelin-behavior',
       'javelin-request',
diff --git a/webroot/rsrc/js/application/diff/DiffInline.js b/webroot/rsrc/js/application/diff/DiffInline.js
--- a/webroot/rsrc/js/application/diff/DiffInline.js
+++ b/webroot/rsrc/js/application/diff/DiffInline.js
@@ -33,6 +33,7 @@
     _isDraft: null,
     _isFixed: null,
     _isEditing: false,
+    _isNew: false,
 
     bindToRow: function(row) {
       this._row = row;
@@ -73,6 +74,7 @@
       this._isGhost = data.isGhost;
 
       this._changesetID = data.changesetID;
+      this._isNew = false;
 
       this.setInvisible(false);
 
@@ -87,6 +89,7 @@
       this._length = parseInt(data.length, 10);
       this._isNewFile = data.isNewFile;
       this._changesetID = data.changesetID;
+      this._isNew = true;
 
       // Insert the comment after any other comments which already appear on
       // the same row.
@@ -110,6 +113,7 @@
       this._length = inline._length;
       this._isNewFile = inline._isNewFile;
       this._changesetID = inline._changesetID;
+      this._isNew = true;
 
       this._replyToCommentPHID = inline._phid;
 
@@ -198,6 +202,13 @@
         return;
       }
 
+      // If this is a new comment which we aren't editing, don't show anything:
+      // the use started a comment or reply, then cancelled it.
+      if (this._isNew && !this._isEditing) {
+        objective.hide();
+        return;
+      }
+
       var changeset = this.getChangeset();
       if (!changeset.isVisible()) {
         objective.hide();