diff --git a/src/sass/gtk/_common-3.0.scss b/src/sass/gtk/_common-3.0.scss
index 33b1b289..9954ad5e 100644
--- a/src/sass/gtk/_common-3.0.scss
+++ b/src/sass/gtk/_common-3.0.scss
@@ -2229,13 +2229,14 @@ menu {
 
   @if $variant == 'dark' { box-shadow: inset 0 0 0 1px $highlight_color; }
 
-  .background.csd > & {
+  .background.csd > &,
+  .background.popup > & {
     border: none; // axes borders in a composited env
     border-radius: $mn_radius;
     background-color: $menu_bg;
   }
 
-  separator {
+  > separator {
     margin: 3px 4px;
     min-height: 1px;
     background-color: $borders_color;
diff --git a/src/sass/gtk/apps/_misc.scss b/src/sass/gtk/apps/_misc.scss
index fe271972..90d839a0 100644
--- a/src/sass/gtk/apps/_misc.scss
+++ b/src/sass/gtk/apps/_misc.scss
@@ -776,11 +776,6 @@ menubar.-vala-panel-background {
   > menu {
     padding: $container_padding;
 
-    separator {
-      margin: 0;
-      border-bottom: none;
-    }
-
     > menuitem {
       border-radius: $bt_radius;