diff --git a/source/components/rule/Header.css b/source/components/rule/Header.css
index b4adec5db..0f6ae4792 100644
--- a/source/components/rule/Header.css
+++ b/source/components/rule/Header.css
@@ -50,9 +50,6 @@
 	padding: 1em 2em;
 }
 
-#ruleHeader #PeriodSwitch {
-	margin: 0.3em 1em;
-}
 #ruleHeader #PeriodSwitch img {
 	display: none;
 }