diff --git a/src/devices/bus/megadrive/svp.cpp b/src/devices/bus/megadrive/svp.cpp
index 0c20884d7c7..8c5fd0f87b3 100644
--- a/src/devices/bus/megadrive/svp.cpp
+++ b/src/devices/bus/megadrive/svp.cpp
@@ -23,6 +23,8 @@
  * Depending on GPO bits in status register, PM0, PM1, PM2 and XST can act as
  * external status registers, os as programmable memory registers. PM4 always
  * acts as PM register (independent on GPO bits).
+ *
+ * TODO: internal ROM has been dumped but isn't used yet
  */
 
 
@@ -50,6 +52,16 @@ md_rom_svp_device::md_rom_svp_device(const machine_config &mconfig, const char *
 {
 }
 
+ROM_START( svp )
+	ROM_REGION(0x800, "internal_rom", 0)
+	ROM_LOAD("svp.bin", 0x000, 0x800, CRC(2421ec7e) SHA1(0b951ea9c6094b3c34e4f0b64d031c75c237564f))
+ROM_END
+
+tiny_rom_entry const *md_rom_svp_device::device_rom_region() const
+{
+	return ROM_NAME(svp);
+}
+
 
 #define SSP_PMC_HAVE_ADDR  1  // address written to PMAC, waiting for mode
 #define SSP_PMC_SET        2  // PMAC is set, PMx can be programmed
diff --git a/src/devices/bus/megadrive/svp.h b/src/devices/bus/megadrive/svp.h
index 660417d0353..84d65b90a33 100644
--- a/src/devices/bus/megadrive/svp.h
+++ b/src/devices/bus/megadrive/svp.h
@@ -27,6 +27,8 @@ protected:
 	// device-level overrides
 	virtual void device_add_mconfig(machine_config &config) override;
 	virtual ioport_constructor device_input_ports() const override;
+	virtual tiny_rom_entry const *device_rom_region() const override;
+
 	virtual void set_bank_to_rom(const char *banktag, uint32_t offset) override;
 
 	// reading and writing
diff --git a/src/devices/cpu/ssp1601/ssp1601.cpp b/src/devices/cpu/ssp1601/ssp1601.cpp
index 0fa702b6d9f..79119b6a97a 100644
--- a/src/devices/cpu/ssp1601/ssp1601.cpp
+++ b/src/devices/cpu/ssp1601/ssp1601.cpp
@@ -14,7 +14,6 @@
  *   modifiers for 'OP a, ri' and ((ri)) are ignored (not used by VR)
  *   loop repeat mode when destination is (ri) is ignored
  *   ops not used by VR are not implemented
- *   internal ROM has been dumped but isn't used yet
  */
 
 #include "emu.h"
@@ -216,15 +215,6 @@ std::unique_ptr<util::disasm_interface> ssp1601_device::create_disassembler()
 	return std::make_unique<ssp1601_disassembler>();
 }
 
-ROM_START( ssp1601 )
-	ROM_REGION(0x800, "internal_rom", 0)
-	ROM_LOAD("ssp1601.bin", 0x000, 0x800, CRC(2421ec7e) SHA1(0b951ea9c6094b3c34e4f0b64d031c75c237564f))
-ROM_END
-
-tiny_rom_entry const *ssp1601_device::device_rom_region() const
-{
-	return ROM_NAME(ssp1601);
-}
 
 // -----------------------------------------------------
 // register i/o handlers
diff --git a/src/devices/cpu/ssp1601/ssp1601.h b/src/devices/cpu/ssp1601/ssp1601.h
index a609dc80da3..e912ff9891b 100644
--- a/src/devices/cpu/ssp1601/ssp1601.h
+++ b/src/devices/cpu/ssp1601/ssp1601.h
@@ -45,8 +45,6 @@ protected:
 	// device_disasm_interface overrides
 	virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
 
-	virtual tiny_rom_entry const *device_rom_region() const override;
-
 private:
 	address_space_config m_program_config;
 	address_space_config m_io_config;