--- nono/debugger/branchhistory.h	2026/04/29 17:05:28	1.1.1.7
+++ nono/debugger/branchhistory.h	2026/04/29 17:05:32	1.1.1.8
@@ -11,7 +11,6 @@
 #pragma once
 
 #include "object.h"
-#include "monitor.h"
 
 class VectorTable;
 
@@ -78,7 +77,7 @@ class BranchHistory : public Object
 	uint8 top {};
 
 	// モニタ (デバッガから直接参照する)
-	Monitor monitor { this };
+	Monitor *monitor {};
 
  protected:
 	virtual std::string FormatHeader() const;