diff --git a/src/devices/cpu/g65816/g65816.cpp b/src/devices/cpu/g65816/g65816.cpp
index 89ecc44167b..20995f19a8f 100644
--- a/src/devices/cpu/g65816/g65816.cpp
+++ b/src/devices/cpu/g65816/g65816.cpp
@@ -771,7 +771,6 @@ void g65816_device::g65816_set_pc(unsigned val)
 	g65816_jumping(REGISTER_PB | REGISTER_PC);
 }
 
-#ifdef UNUSED_FUNCTION
 /* Get the current Stack Pointer */
 unsigned g65816_device::g65816_get_sp()
 {
@@ -783,7 +782,6 @@ void g65816_device::g65816_set_sp(unsigned val)
 {
 	REGISTER_S = FLAG_E ? MAKE_UINT_8(val) | 0x100 : MAKE_UINT_16(val);
 }
-#endif
 
 /* Get a register */
 unsigned g65816_device::g65816_get_reg(int regnum)
diff --git a/src/devices/cpu/g65816/g65816.h b/src/devices/cpu/g65816/g65816.h
index 3c6acf9f6d1..b21845e76ec 100644
--- a/src/devices/cpu/g65816/g65816.h
+++ b/src/devices/cpu/g65816/g65816.h
@@ -140,10 +140,8 @@ protected:
 	int bus_5A22_cycle_burst(unsigned addr);
 	unsigned g65816_get_pc();
 	void g65816_set_pc(unsigned val);
-#ifdef UNUSED_FUNCTION
-	unsigned g65816_get_sp();
-	void g65816_set_sp(unsigned val);
-#endif
+	[[maybe_unused]] unsigned g65816_get_sp();
+	[[maybe_unused]] void g65816_set_sp(unsigned val);
 public:
 	unsigned g65816_get_reg(int regnum);
 	void g65816_set_reg(int regnum, unsigned value);