diff --git a/src/devices/cpu/8x300/8x300.cpp b/src/devices/cpu/8x300/8x300.cpp
index 3999332d6ee..58a9077fd9d 100644
--- a/src/devices/cpu/8x300/8x300.cpp
+++ b/src/devices/cpu/8x300/8x300.cpp
@@ -146,16 +146,6 @@ void n8x300_cpu_device::device_start()
 	m_icountptr = &m_icount;
 }
 
-void n8x300_cpu_device::state_string_export(const device_state_entry &entry, std::string &str) const
-{
-	switch (entry.index())
-	{
-//      case STATE_GENFLAGS:
-//          string.printf("%c%c%c%c%c%c",
-//          break;
-	}
-}
-
 void n8x300_cpu_device::device_reset()
 {
 	/* zero registers */
diff --git a/src/devices/cpu/8x300/8x300.h b/src/devices/cpu/8x300/8x300.h
index c2eff97499b..0ba76e30d20 100644
--- a/src/devices/cpu/8x300/8x300.h
+++ b/src/devices/cpu/8x300/8x300.h
@@ -67,9 +67,6 @@ protected:
 		}
 	}
 
-	// device_state_interface overrides
-	virtual void state_string_export(const device_state_entry &entry, std::string &str) const override;
-
 	// device_disasm_interface overrides
 	virtual UINT32 disasm_min_opcode_bytes() const override { return 2; }
 	virtual UINT32 disasm_max_opcode_bytes() const override { return 2; }