diff --git a/IPython/frontend/html/notebook/static/less/notebook.less b/IPython/frontend/html/notebook/static/less/notebook.less
index e33dedcd4..acedafdac 100644
--- a/IPython/frontend/html/notebook/static/less/notebook.less
+++ b/IPython/frontend/html/notebook/static/less/notebook.less
@@ -283,7 +283,6 @@ div.output_area pre {
     padding: 0;
     border: 0;
     font-size: 100%;
-    font: inherit;
     vertical-align: baseline;
     color: black;
 }