diff --git a/src/RageFileDriverDirect.cpp b/src/RageFileDriverDirect.cpp
index d6de2ebdc3..2dfbee3f7d 100644
--- a/src/RageFileDriverDirect.cpp
+++ b/src/RageFileDriverDirect.cpp
@@ -64,6 +64,10 @@ private:
 	 */
 	bool m_bWriteFailed;
 	bool WriteFailed() const { return !(m_iMode & RageFile::STREAMED) && m_bWriteFailed; }
+	
+	// unused
+	RageFileObjDirect& operator=(const RageFileObjDirect& rhs);
+	RageFileObjDirect(const RageFileObjDirect& rhs);
 };