diff --git a/css/styles.css b/css/styles.css
index f6565d07..8d669014 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -61,6 +61,9 @@ radio {
 .roundedcorners {
   border-radius: 8px;
 }
+.adwthemedark scale trough highlight {
+  filter: brightness(120%);
+}
 
 .videowidget {
   min-width: 320px;
@@ -301,9 +304,6 @@ radio {
 .gpufriendlyfs {
   box-shadow: none;
 }
-.brightscale trough highlight {
-  filter: brightness(120%);
-}
 
 /* Error BG */
 .blackbackground {
diff --git a/data/com.github.rafostar.Clapper.gschema.xml b/data/com.github.rafostar.Clapper.gschema.xml
index 391a1b03..79ee6634 100644
--- a/data/com.github.rafostar.Clapper.gschema.xml
+++ b/data/com.github.rafostar.Clapper.gschema.xml
@@ -84,10 +84,6 @@
       <default>true</default>
       <summary>Enable to force the app to use dark theme variant</summary>
     </key>
-    <key name="brighter-sliders" type="b">
-      <default>true</default>
-      <summary>Enable to make all sliders/bars brighter</summary>
-    </key>
     <key name="render-shadows" type="b">
       <default>true</default>
       <summary>Enable rendering window shadows (only if theme has them)</summary>
diff --git a/src/appBase.js b/src/appBase.js
index 09b7783b..44a5f342 100644
--- a/src/appBase.js
+++ b/src/appBase.js
@@ -33,12 +33,6 @@ class ClapperAppBase extends Gtk.Application
         if(!settings.get_boolean('render-shadows'))
             window.add_css_class('gpufriendly');
 
-        if(
-            settings.get_boolean('dark-theme')
-            && settings.get_boolean('brighter-sliders')
-        )
-            window.add_css_class('brightscale');
-
         for(let action in Menu.actions) {
             const simpleAction = new Gio.SimpleAction({
                 name: action
@@ -94,6 +88,7 @@ class ClapperAppBase extends Gtk.Application
     {
         const theme = gtkSettings.gtk_theme_name;
         const window = this.active_window;
+        const hasAdwThemeDark = window.has_css_class('adwthemedark');
 
         debug(`user selected theme: ${theme}`);
 
@@ -102,6 +97,17 @@ class ClapperAppBase extends Gtk.Application
         if(!window.has_css_class('adwrounded'))
             window.add_css_class('adwrounded');
 
+        if(theme.startsWith('Adwaita')) {
+            const isDarkTheme = settings.get_boolean('dark-theme');
+
+            if(isDarkTheme && !hasAdwThemeDark)
+                window.add_css_class('adwthemedark');
+            else if(!isDarkTheme && hasAdwThemeDark)
+                window.remove_css_class('adwthemedark');
+        }
+        else if(hasAdwThemeDark)
+            window.remove_css_class('adwthemedark');
+
         if(!theme.endsWith('-dark'))
             return;
 
@@ -123,9 +129,7 @@ class ClapperAppBase extends Gtk.Application
             if(!hasAdwIcons)
                 window.add_css_class('adwicons');
         }
-        else {
-            if(hasAdwIcons)
-                window.remove_css_class('adwicons');
-        }
+        else if(hasAdwIcons)
+            window.remove_css_class('adwicons');
     }
 });
diff --git a/src/playerBase.js b/src/playerBase.js
index 6dc643ac..25554392 100644
--- a/src/playerBase.js
+++ b/src/playerBase.js
@@ -176,27 +176,11 @@ class ClapperPlayerBase extends GstClapper.Clapper
                 debug(`set subtitle-video offset: ${value}`);
                 break;
             case 'dark-theme':
-            case 'brighter-sliders':
                 root = this.widget.get_root();
                 if(!root || !root.isClapperApp)
                     break;
 
-                const brightClass = 'brightscale';
-                const isBrighter = root.has_css_class(brightClass);
-
-                if(key === 'dark-theme' && isBrighter && !settings.get_boolean(key)) {
-                    root.remove_css_class(brightClass);
-                    debug('remove brighter sliders');
-                    break;
-                }
-
-                const setBrighter = settings.get_boolean('brighter-sliders');
-                if(setBrighter === isBrighter)
-                    break;
-
-                action = (setBrighter) ? 'add' : 'remove';
-                root[action + '_css_class'](brightClass);
-                debug(`${action} brighter sliders`);
+                root.application._onThemeChanged(Gtk.Settings.get_default());
                 break;
             case 'play-flags':
                 const initialFlags = this.pipeline.flags;
diff --git a/src/prefs.js b/src/prefs.js
index a28ce983..3bfe1989 100644
--- a/src/prefs.js
+++ b/src/prefs.js
@@ -329,9 +329,7 @@ class ClapperTweaksPage extends PrefsBase.Grid
         super._init();
 
         this.addTitle('Appearance');
-        const darkCheck = this.addCheckButton('Enable dark theme', 'dark-theme');
-        const brighterCheck = this.addCheckButton('Make sliders brighter', 'brighter-sliders');
-        darkCheck.bind_property('active', brighterCheck, 'visible', GObject.BindingFlags.SYNC_CREATE);
+        this.addCheckButton('Enable dark theme', 'dark-theme');
 
         this.addTitle('Performance');
         this.addCheckButton('Render window shadows', 'render-shadows');