diff --git a/src/mess/machine/i8271.c b/src/mess/machine/i8271.c
index 4b0b972a99a..e24b2a591a3 100644
--- a/src/mess/machine/i8271.c
+++ b/src/mess/machine/i8271.c
@@ -118,15 +118,15 @@ i8271_device::i8271_device(const machine_config &mconfig, const char *tag, devic
 	m_HeadSettlingTime(0),
 	m_IndexCountBeforeHeadUnload(0),
 	m_HeadLoadTime(0),
-	m_ID_C(0),
-	m_ID_H(0),
+	//m_ID_C(0),
+	//m_ID_H(0),
 	m_ID_R(0),
 	m_ID_N(0),
 	m_data_id(0),
 	m_ExecutionPhaseTransferCount(0),
 	m_ExecutionPhaseCount(0),
-	m_Counter(0),
-	m_data_direction(0)
+	m_Counter(0)
+	//m_data_direction(0)
 {
 	for (int i = 0; i < 8; i++ )
 	{
diff --git a/src/mess/machine/i8271.h b/src/mess/machine/i8271.h
index de9d03c32ba..eb561f8b70c 100644
--- a/src/mess/machine/i8271.h
+++ b/src/mess/machine/i8271.h
@@ -98,8 +98,8 @@ private:
 	unsigned long m_HeadLoadTime;
 
 	/* id on disc to find */
-	int m_ID_C;
-	int m_ID_H;
+	//int m_ID_C;
+	//int m_ID_H;
 	int m_ID_R;
 	int m_ID_N;
 
@@ -114,7 +114,7 @@ private:
 	int m_Counter;
 
 	/* ==0, to cpu, !=0 =from cpu */
-	int m_data_direction;
+	//int m_data_direction;
 
 	emu_timer *m_data_timer;
 	emu_timer *m_command_complete_timer;