diff --git a/IPython/html/static/notebook/less/cell.less b/IPython/html/static/notebook/less/cell.less
index ba73ea382..ed279f480 100644
--- a/IPython/html/static/notebook/less/cell.less
+++ b/IPython/html/static/notebook/less/cell.less
@@ -36,9 +36,6 @@ div.prompt {
 div.inner_cell {
     .vbox();
     .box-flex1();
-
-    /* This is required for FF to add scrollbars when code cells overflow. */
-    overflow: auto;
 }
 
 /* This is needed so that empty prompt areas can collapse to zero height when there