diff --git a/autotests/integration/plasma_surface_test.cpp b/autotests/integration/plasma_surface_test.cpp
--- a/autotests/integration/plasma_surface_test.cpp
+++ b/autotests/integration/plasma_surface_test.cpp
@@ -65,7 +65,6 @@
 
 private:
     KWayland::Client::Compositor *m_compositor = nullptr;
-    Shell *m_shell = nullptr;
     PlasmaShell *m_plasmaShell = nullptr;
 };
 
diff --git a/xwl/databridge.h b/xwl/databridge.h
--- a/xwl/databridge.h
+++ b/xwl/databridge.h
@@ -25,7 +25,7 @@
 
 #include <xcb/xcb.h>
 
-class xcb_xfixes_selection_notify_event_t;
+struct xcb_xfixes_selection_notify_event_t;
 
 namespace KWayland
 {