diff --git a/src/posix/cocoa/i_input.mm b/src/posix/cocoa/i_input.mm
index 125587b795..0c631713ea 100644
--- a/src/posix/cocoa/i_input.mm
+++ b/src/posix/cocoa/i_input.mm
@@ -487,11 +487,6 @@ void NSEventToGameMousePosition(NSEvent* inEvent, event_t* outEvent)
 	outEvent->data1 = static_cast<int16_t>(              viewPos.x);
 	outEvent->data2 = static_cast<int16_t>(frameHeight - viewPos.y);
 
-	// Compensate letterbox adjustment done by cross-platform code
-	// More elegant solution is a bit problematic due to HiDPI/Retina support
-	// What does this do? Add 0?
-	//outEvent->data2 += (screen->GetTrueHeight() - screen->ClientHeight()) / 2;
-
 	screen->ScaleCoordsFromWindow(outEvent->data1, outEvent->data2);
 }