diff --git a/src/devices/cpu/cosmac/cosmac.h b/src/devices/cpu/cosmac/cosmac.h
index 965a8e59045..54e519f44ed 100644
--- a/src/devices/cpu/cosmac/cosmac.h
+++ b/src/devices/cpu/cosmac/cosmac.h
@@ -124,7 +124,6 @@ class cosmac_device : public cpu_device
 public:
 	// registers
 	// public because machine/pecom.cpp accesses registers through the state interface - there should be a proper way to get address on bus for this
-	// drivers/microkit.cpp and drivers/eti660.cpp are even worse setting R0 through the state interface to hack around running boot code or something
 	enum
 	{
 		COSMAC_P,