diff --git a/mod/assign/styles.css b/mod/assign/styles.css
index c08b598844c..51946dd93e3 100644
--- a/mod/assign/styles.css
+++ b/mod/assign/styles.css
@@ -60,11 +60,6 @@
     resize: both;
 }
 
-.path-mod-assign .gradingbatchoperationsform .mform fieldset {
-    margin: 0;
-    padding: 0;
-}
-
 .path-mod-assign td.submissionstatus,
 .path-mod-assign div.submissionstatus,
 .path-mod-assign a:link.submissionstatus {