diff --git a/IPython/frontend/html/notebook/static/js/notebook.js b/IPython/frontend/html/notebook/static/js/notebook.js
index d4b5f4f65..facc157fa 100644
--- a/IPython/frontend/html/notebook/static/js/notebook.js
+++ b/IPython/frontend/html/notebook/static/js/notebook.js
@@ -76,7 +76,6 @@ var IPython = (function (IPython) {
             } else if (event.which === 27) {
                 // Intercept escape at highest level to avoid closing 
                 // websocket connection with firefox
-                IPython.pager.collapse();
                 event.preventDefault();
             }
             if (event.which === 38 && !event.shiftKey) {