--- nono/vm/sio.h	2026/04/29 17:04:28	1.1.1.1
+++ nono/vm/sio.h	2026/04/29 17:04:29	1.1.1.2
@@ -23,8 +23,6 @@ class SIODevice
 	virtual uint64 Write8(uint32, uint32);
 	virtual uint64 Write16(uint32, uint32);
 
-	void RxCh1(int);
-
  private:
 	virtual void Interrupt();
 };