diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 75dbe2532b..be3ac05761 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2681,7 +2681,6 @@ row {
  *************/
 
 expander {
-  & title:hover { background: red; }
   & arrow {
     -gtk-icon-source: -gtk-icontheme('pan-end-symbolic');
     &:dir(rtl) { -gtk-icon-source: -gtk-icontheme('pan-end-symbolic-rtl'); }
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 5d561b0f6c..8d5acf2bc6 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -3804,8 +3804,6 @@ row {
 /*************
  * Expanders *
  *************/
-expander title:hover {
-  background: red; }
 expander arrow {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   expander arrow:dir(rtl) {
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index eb616e1222..3086945c89 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -3974,8 +3974,6 @@ row {
 /*************
  * Expanders *
  *************/
-expander title:hover {
-  background: red; }
 expander arrow {
   -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
   expander arrow:dir(rtl) {