diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h
index 6d13a1b82c..674b0cef4b 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.h
+++ b/src/plugins/platforms/xcb/qxcbconnection.h
@@ -653,7 +653,7 @@ private:
     QHash<int, TouchDeviceData> m_touchDevices;
 #ifdef XCB_USE_XINPUT22
     struct StartSystemResizeInfo {
-        xcb_window_t window;
+        xcb_window_t window = XCB_NONE;
         uint16_t deviceid;
         uint32_t pointid;
         Qt::Corner corner;
diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
index 9236d98abf..bf17e9c1e1 100644
--- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
@@ -78,9 +78,6 @@ void QXcbConnection::initializeXInput2()
             // X server's supported version.
             qCDebug(lcQpaXInput, "Using XInput version %d.%d", xiMajor, m_xi2Minor);
             m_xi2Enabled = true;
-#ifdef XCB_USE_XINPUT22
-            m_startSystemResizeInfo.window = XCB_NONE;
-#endif
             xi2SetupDevices();
             break;
         case BadRequest: // Must be an X server with XInput 1