diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 5d4c84c494d..7d9781ffb87 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -289,7 +289,6 @@ $gl-line-height: 16px;
 $gl-line-height-24: 24px;
 $gl-line-height-14: 14px;
 
-$system-header-height: 35px;
 $issue-box-upcoming-bg: #8f8f8f;
 $pages-group-name-color: #4c4e54;