diff --git a/app/assets/stylesheets/mobile/topic-list.scss b/app/assets/stylesheets/mobile/topic-list.scss
index 2a96f47b0a5..f3f6c21eebc 100644
--- a/app/assets/stylesheets/mobile/topic-list.scss
+++ b/app/assets/stylesheets/mobile/topic-list.scss
@@ -371,12 +371,6 @@ ol.category-breadcrumb {
   padding: 8px 0;
 }
 
-.period-chooser {
-  button {
-    margin-top: 10px;
-  }
-}
-
 button.dismiss-read {
   margin-right: 10px;
 }