diff --git a/src/video/null_v.h b/src/video/null_v.h
--- a/src/video/null_v.h
+++ b/src/video/null_v.h
@@ -3,8 +3,30 @@
 #ifndef VIDEO_NULL_H
 #define VIDEO_NULL_H
 
-#include "../hal.h"
+#include "video_driver.hpp"
+
+class VideoDriver_Null: public VideoDriver {
+public:
+	/* virtual */ bool CanProbe() { return false; }
+
+	/* virtual */ const char *Start(const char * const *param);
+
+	/* virtual */ void Stop();
+
+	/* virtual */ void MakeDirty(int left, int top, int width, int height);
 
-extern const HalVideoDriver _null_video_driver;
+	/* virtual */ void MainLoop();
+
+	/* virtual */ bool ChangeResolution(int w, int h);
+
+	/* virtual */ void ToggleFullscreen(bool fullscreen);
+};
+
+class FVideoDriver_Null: public VideoDriverFactory<FVideoDriver_Null> {
+public:
+	/* virtual */ const char *GetName() { return "null"; }
+	/* virtual */ const char *GetDescription() { return "Null Video Driver"; }
+	/* virtual */ Driver *CreateInstance() { return new VideoDriver_Null(); }
+};
 
 #endif /* VIDEO_NULL_H */