diff --git a/static/styles/zulip.css b/static/styles/zulip.css
index 827497c620..adbc164860 100644
--- a/static/styles/zulip.css
+++ b/static/styles/zulip.css
@@ -3238,7 +3238,6 @@ div.edit_bot {
     width: 20px;
     height: 20px;
     margin: 2px 2px 2px 0px;
-    border: 1px solid #000;
     vertical-align: text-bottom;
 }