diff --git a/static/octicon-mixins.less b/static/octicon-mixins.less
index fa660a6e2..ea2b93892 100644
--- a/static/octicon-mixins.less
+++ b/static/octicon-mixins.less
@@ -5,7 +5,6 @@
   display: inline-block;
   line-height: 1;
   -webkit-font-smoothing: antialiased;
-  line-height: 1;
   text-decoration: none;
 }