diff --git a/src/emu/bus/gameboy/gb_slot.c b/src/emu/bus/gameboy/gb_slot.c
index 63889cf31dd..9c051a8a685 100644
--- a/src/emu/bus/gameboy/gb_slot.c
+++ b/src/emu/bus/gameboy/gb_slot.c
@@ -68,7 +68,6 @@ void device_gb_cart_interface::rom_alloc(UINT32 size)
 void device_gb_cart_interface::ram_alloc(UINT32 size)
 {
 	m_ram.resize(size);
-	device().save_item(NAME(m_ram));
 }
 
 
diff --git a/src/emu/bus/gameboy/gb_slot.h b/src/emu/bus/gameboy/gb_slot.h
index 6242f3bae21..0723f034270 100644
--- a/src/emu/bus/gameboy/gb_slot.h
+++ b/src/emu/bus/gameboy/gb_slot.h
@@ -41,13 +41,6 @@ enum
 };
 
 
-// ======================> gb_cart_interface
-
-struct gb_cart_interface
-{
-};
-
-
 // ======================> device_gb_cart_interface
 
 class device_gb_cart_interface : public device_slot_card_interface
@@ -78,6 +71,8 @@ public:
 	void set_has_battery(bool val) { has_battery = val; }
 	bool get_has_battery() { return has_battery; }
 
+	void save_ram()	{ device().save_item(NAME(m_ram)); }
+		
 	// internal state
 	dynamic_buffer m_rom;
 	dynamic_buffer m_ram;
@@ -101,7 +96,6 @@ public:
 // ======================> base_gb_cart_slot_device
 
 class base_gb_cart_slot_device : public device_t,
-								public gb_cart_interface,
 								public device_image_interface,
 								public device_slot_interface
 {
@@ -127,7 +121,8 @@ public:
 
 	void setup_ram(UINT8 banks);
 	void internal_header_logging(UINT8 *ROM, UINT32 len);
-
+	void save_ram()	{ if (m_cart && m_cart->get_ram_size()) m_cart->save_ram(); }
+	
 	virtual iodevice_t image_type() const { return IO_CARTSLOT; }
 	virtual bool is_readable()  const { return 1; }
 	virtual bool is_writeable() const { return 0; }
diff --git a/src/mess/machine/gb.c b/src/mess/machine/gb.c
index b80244ffb67..d5e8e3292b7 100644
--- a/src/mess/machine/gb.c
+++ b/src/mess/machine/gb.c
@@ -122,6 +122,8 @@ void gb_state::save_gb_base()
 	save_item(NAME(m_reloading));
 	save_item(NAME(m_sio_count));
 	save_item(NAME(m_bios_disable));
+	if (m_cartslot)
+		m_cartslot->save_ram();
 }
 
 void gb_state::save_gbc_only()