diff --git a/lib/assets/stylesheets/modules/_toc.scss b/lib/assets/stylesheets/modules/_toc.scss
index 921c5abf..fb883dcc 100644
--- a/lib/assets/stylesheets/modules/_toc.scss
+++ b/lib/assets/stylesheets/modules/_toc.scss
@@ -43,6 +43,7 @@
 
         a:focus {
           text-decoration: none;
+          outline: none;
 
           span {
             @include govuk-focused-text;