diff --git a/scss/_variables.scss b/scss/_variables.scss
index fe6847be31a9..14ae016f522f 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -1691,7 +1691,6 @@ $btn-close-height:           $btn-close-width !default;
 $btn-close-padding-x:        .25em !default;
 $btn-close-padding-y:        $btn-close-padding-x !default;
 $btn-close-color:            $black !default;
-$btn-close-focus-shadow:     $input-btn-focus-box-shadow !default;
 $btn-close-bg:               url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$btn-close-color}'><path d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/></svg>") !default;
 $btn-close-focus-shadow:     $focus-ring-box-shadow !default;
 $btn-close-opacity:          .5 !default;