diff --git a/src/apprt/gtk/Window.zig b/src/apprt/gtk/Window.zig
index 16fcb70e7..6af20118b 100644
--- a/src/apprt/gtk/Window.zig
+++ b/src/apprt/gtk/Window.zig
@@ -661,16 +661,6 @@ pub fn toggleWindowDecorations(self: *Window) void {
     };
 }
 
-/// Toggle the background opacity for this window.
-pub fn toggleBackgroundOpacity(self: *Window) !f64 {
-    if (self.app.config.@"background-opacity" >= 1) return self.app.config.@"background-opacity";
-
-    self.config.background_opacity = if (self.config.background_opacity == 1.0) self.app.config.@"background-opacity" else 1.0;
-    try self.syncAppearance();
-
-    return self.config.background_opacity;
-}
-
 /// Grabs focus on the currently selected tab.
 pub fn focusCurrentTab(self: *Window) void {
     const tab = self.notebook.currentTab() orelse return;
diff --git a/src/renderer/OpenGL.zig b/src/renderer/OpenGL.zig
index 30e5a2efe..63103d6d4 100644
--- a/src/renderer/OpenGL.zig
+++ b/src/renderer/OpenGL.zig
@@ -661,7 +661,7 @@ pub fn setBackgroundOpacity(self: *OpenGL, opacity: f64) void {
     defer if (single_threaded_draw) self.draw_mutex.unlock();
 
     // We don't want to go below 0 or above 1
-    self.config.background_opacity = @max(0, @min(1, opacity));
+    self.config.background_opacity = std.math.clamp(opacity, 0, 1);
 }
 
 /// Set the new font grid.