diff --git a/app/assets/stylesheets/mobile/topic-post.scss b/app/assets/stylesheets/mobile/topic-post.scss
index fc07eddb8f8..94220ad0cbf 100644
--- a/app/assets/stylesheets/mobile/topic-post.scss
+++ b/app/assets/stylesheets/mobile/topic-post.scss
@@ -14,11 +14,6 @@
   margin-top: 5px;
 }
 
-.topic-post article {
-  border-top: 1px solid dark-light-diff($primary, $secondary, 90%, -60%);
-  padding: 6px 0;
-}
-
 .post-stream {
   padding-bottom: 30px;
 }