diff --git a/src/utils/math.ts b/src/utils/math.ts
index a2db7be..c8f2e84 100644
--- a/src/utils/math.ts
+++ b/src/utils/math.ts
@@ -7,10 +7,3 @@ function clamp(value: number, min: number, max: number) {
     }
     return value;
 }
-
-function rectEqual(a: QRect, b: QRect) {
-    return a.x === b.x &&
-        a.y === b.y &&
-        a.width === b.width &&
-        a.height === b.height;
-}
diff --git a/src/world/clientState/Tiled.ts b/src/world/clientState/Tiled.ts
index d39ffc8..b57a883 100644
--- a/src/world/clientState/Tiled.ts
+++ b/src/world/clientState/Tiled.ts
@@ -85,7 +85,7 @@ namespace ClientState {
                     if (kwinClient.resize) {
                         window.onUserResize(oldGeometry, !cursorChangedAfterResizeStart);
                     } else {
-                        const maximized = rectEqual(kwinClient.frameGeometry, desktop.clientArea);
+                        const maximized = kwinClient.frameGeometry === desktop.clientArea;
                         if (!client.isManipulatingGeometry() && !kwinClient.fullScreen && !maximized) {
                             window.onFrameGeometryChanged();
                         }