this was a nit

src/cascadia/UnitTests_Control/ControlInteractivityTests.cpp

@@ -111,7 +111,6 @@ namespace ControlUnitTests
         settings->Opacity(0.5f);
 
         auto [core, interactivity] = _createCoreAndInteractivity(*settings, *conn);
-        auto controlSettings = core->_settings;
 
         // A callback to make sure that we're raising TransparencyChanged events
         double expectedOpacity = 0.5;