diff --git a/notebook/static/notebook/less/highlight.less b/notebook/static/notebook/less/highlight.less
index 99bdf5d16..28e8917c4 100644
--- a/notebook/static/notebook/less/highlight.less
+++ b/notebook/static/notebook/less/highlight.less
@@ -112,5 +112,3 @@ Adapted from GitHub theme
     background-repeat: no-repeat;
   }
 }
-
-.cm-s-ipython .CodeMirror div.CodeMirror-cursor { border-left: 1px solid magenta; }