diff --git a/src/sidebar/static/scss/footer.scss b/src/sidebar/static/scss/footer.scss
index f7db23ba0..aa13d049f 100644
--- a/src/sidebar/static/scss/footer.scss
+++ b/src/sidebar/static/scss/footer.scss
@@ -137,7 +137,7 @@ footer {
   #enable-sync {
     margin-right: calc(100% - 40px);
     background: none;
-    border-left: none;
+    border: none;
     transition: margin var(--sync-animation-duration)
       cubic-bezier(0.07, 0.95, 0, 1) 0.05s;