diff --git a/UsbDk/UsbDkUtil.h b/UsbDk/UsbDkUtil.h
index f366ccb..c0f2e0f 100644
--- a/UsbDk/UsbDkUtil.h
+++ b/UsbDk/UsbDkUtil.h
@@ -38,6 +38,9 @@ class CWdmSpinLock
 private:
     KSPIN_LOCK m_Lock;
     KIRQL m_OldIrql;
+
+    CWdmSpinLock(const CWdmSpinLock&) = delete;
+    CWdmSpinLock& operator= (const CWdmSpinLock&) = delete;
 };
 
 template <typename T>