diff --git a/mod/assign/styles.css b/mod/assign/styles.css
index f93628298ec..5be6098dfca 100644
--- a/mod/assign/styles.css
+++ b/mod/assign/styles.css
@@ -148,10 +148,6 @@
     background-color: white;
 }
 
-.path-mod-assign .gradingtable .c0 div.selectall {
-    margin-left: 7px;
-}
-
 .path-mod-assign .gradingtable .yui3-menu ul {
     margin: 0;
 }