diff --git a/res/css/structures/_GroupFilterPanel.scss b/res/css/structures/_GroupFilterPanel.scss
index ceea20ed79..a101aba7e5 100644
--- a/res/css/structures/_GroupFilterPanel.scss
+++ b/res/css/structures/_GroupFilterPanel.scss
@@ -51,7 +51,7 @@ $groupFilterPanelWidth: 56px; // only applies in this file, used for calculation
     height: 0px;
     width: 90%;
     border: none;
-    border-bottom: 1px solid $groupFilterPanel-divider-color;
+    border-bottom: 1px solid $tertiary-content;
 }
 
 .mx_GroupFilterPanel .mx_GroupFilterPanel_scroller {
diff --git a/res/themes/dark/css/_dark.scss b/res/themes/dark/css/_dark.scss
index b0c1474c25..eed7ffc677 100644
--- a/res/themes/dark/css/_dark.scss
+++ b/res/themes/dark/css/_dark.scss
@@ -124,8 +124,6 @@ $roomlist-button-bg-color: rgba(141, 151, 165, 0.2); // Buttons include the filt
 $roomlist-bg-color: rgba(33, 38, 44, 0.90);
 $roomsublist-skeleton-ui-bg: linear-gradient(180deg, #3e444c 0%, #3e444c00 100%);
 
-$groupFilterPanel-divider-color: $tertiary-content;
-
 $roomtile-default-badge-bg-color: #61708b;
 
 // ********************
diff --git a/res/themes/light/css/_light.scss b/res/themes/light/css/_light.scss
index a628600569..66b77e2fee 100644
--- a/res/themes/light/css/_light.scss
+++ b/res/themes/light/css/_light.scss
@@ -186,8 +186,6 @@ $roomlist-button-bg-color: rgba(141, 151, 165, 0.2); // Buttons include the filt
 $roomlist-bg-color: rgba(245, 245, 245, 0.90);
 $roomsublist-skeleton-ui-bg: linear-gradient(180deg, #ffffff 0%, #ffffff00 100%);
 
-$groupFilterPanel-divider-color: $tertiary-content;
-
 $roomtile-default-badge-bg-color: #61708b;
 
 $presence-online: $accent-color;