diff --git a/scss/_dropdown.scss b/scss/_dropdown.scss
index 587ebb487c..f016ddda60 100644
--- a/scss/_dropdown.scss
+++ b/scss/_dropdown.scss
@@ -184,6 +184,7 @@
   white-space: nowrap; // prevent links from randomly breaking onto new lines
   background-color: transparent; // For `<button>`s
   border: 0; // For `<button>`s
+  outline: 0; // For `<button>`s
   @include border-radius(var(--#{$prefix}dropdown-item-border-radius, 0));
 
   &:hover,