diff --git a/app/assets/stylesheets/blacklight/build.scss b/app/assets/stylesheets/blacklight/build.scss
index efbba77a01..51120e2438 100644
--- a/app/assets/stylesheets/blacklight/build.scss
+++ b/app/assets/stylesheets/blacklight/build.scss
@@ -3,9 +3,6 @@
 @import "bootstrap/scss/variables";
 
 /* These classes are all the BS things that Blacklight depends on (via @extend) */
-.mx-1 {
-}
-
 .clearfix {
 }