diff --git a/res/css/views/elements/_AccessibleButton.scss b/res/css/views/elements/_AccessibleButton.scss
index edf455049b..d6702a232c 100644
--- a/res/css/views/elements/_AccessibleButton.scss
+++ b/res/css/views/elements/_AccessibleButton.scss
@@ -16,9 +16,8 @@ limitations under the License.
 
 .mx_AccessibleButton:focus {
     outline: 0;
-    filter: brightness($focus-brightness);
 }
 
 .mx_AccessibleButton {
     cursor: pointer;
-}
\ No newline at end of file
+}