diff --git a/app/assets/stylesheets/app.scss b/app/assets/stylesheets/app.scss
index 02887fd3f..9b467299d 100644
--- a/app/assets/stylesheets/app.scss
+++ b/app/assets/stylesheets/app.scss
@@ -150,14 +150,6 @@ td {
   margin-bottom: 5px;
 }
 
-a[rel='external'] {
-  @include external-link-default;
-  @include external-link-16;
-  @include media(tablet) {
-    @include external-link-19;
-  }
-}
-
 .hint {
   color: $secondary-text-colour;
 }