diff --git a/static/styles/compose.css b/static/styles/compose.css
index ce8af5f239..da03e73c08 100644
--- a/static/styles/compose.css
+++ b/static/styles/compose.css
@@ -228,7 +228,6 @@ table.compose_table {
 
 /* Like .nav-tabs > li > a */
 #compose-send-status {
-    width: calc(100% - 28px);
     padding: 8px 14px 8px 14px;
     margin-bottom: 8px;
     line-height: 20px;