diff --git a/src/apprt/gtk/style-dark.css b/src/apprt/gtk/style-dark.css
index b56fa14f2..a9aa2dcc0 100644
--- a/src/apprt/gtk/style-dark.css
+++ b/src/apprt/gtk/style-dark.css
@@ -1,8 +1,3 @@
 .transparent {
   background-color: transparent;
 }
-
-separator {
-  background-color: rgba(36, 36, 36, 1);
-  background-clip: content-box;
-}
diff --git a/src/apprt/gtk/style.css b/src/apprt/gtk/style.css
index 65dc0c075..188e26671 100644
--- a/src/apprt/gtk/style.css
+++ b/src/apprt/gtk/style.css
@@ -36,8 +36,3 @@ label.size-overlay.hidden {
 .transparent {
   background-color: transparent;
 }
-
-separator {
-  background-color: rgba(250, 250, 250, 1);
-  background-clip: content-box;
-}