--- nono/vm/vm_luna.h	2026/04/29 17:04:42	1.1.1.3
+++ nono/vm/vm_luna.h	2026/04/29 17:04:45	1.1.1.4
@@ -11,7 +11,7 @@
 #include "sysclk.h"
 #include "vm.h"
 
-class VM_LUNA : public VM
+class VM_LUNA final : public VM
 {
 	using inherited = VM;
  public:
@@ -24,13 +24,12 @@ class VM_LUNA : public VM
  private:
 	std::unique_ptr<CRTC2Device> crtc2 {};
 	std::unique_ptr<IODevice> prom {};
-	std::unique_ptr<SysClkDevice> sysclk {};
 	std::unique_ptr<NullDevice> nulldev {};
 
 	static const uint8 maptable[256];
 };
 
-class VM_LUNA88K : public VM
+class VM_LUNA88K final : public VM
 {
 	using inherited = VM;
  public:
@@ -44,7 +43,6 @@ class VM_LUNA88K : public VM
 	std::unique_ptr<CRTC2Device> crtc2 {};
 	std::unique_ptr<FuseROMDevice> fuserom {};
 	std::unique_ptr<IODevice> prom {};
-	std::unique_ptr<SysClkDevice> sysclk {};
 	std::unique_ptr<NullDevice> nulldev {};
 
 	static const uint8 maptable[256];