diff --git a/src/devices/machine/74161.cpp b/src/devices/machine/74161.cpp
index a866052d83d..a4c4d694ab6 100644
--- a/src/devices/machine/74161.cpp
+++ b/src/devices/machine/74161.cpp
@@ -26,7 +26,7 @@ ttl7416x_device::ttl7416x_device(const machine_config &mconfig, device_type type
 	, m_pe(0)
 	, m_cet(0)
 	, m_cep(0)
-	, m_clock(0)
+	, m_pclock(0)
 	, m_p(0)
 	, m_out(0)
 	, m_tc(0)
@@ -61,7 +61,7 @@ void ttl7416x_device::device_start()
 	save_item(NAME(m_pe));
 	save_item(NAME(m_cet));
 	save_item(NAME(m_cep));
-	save_item(NAME(m_clock));
+	save_item(NAME(m_pclock));
 	save_item(NAME(m_p));
 	save_item(NAME(m_out));
 	save_item(NAME(m_tc));
@@ -81,7 +81,7 @@ void ttl7416x_device::init()
 	m_pe = 1;
 	m_cet = 0;
 	m_cep = 0;
-	m_clock = 0;
+	m_pclock = 0;
 	m_p = 0;
 
 	m_out = 0;
@@ -159,9 +159,9 @@ WRITE_LINE_MEMBER( ttl7416x_device::cep_w )
 
 WRITE_LINE_MEMBER( ttl7416x_device::clock_w )
 {
-	uint8_t last_clock = m_clock;
-	m_clock = state;
-	if (m_clock != last_clock && m_clock != 0)
+	uint8_t last_clock = m_pclock;
+	m_pclock = state;
+	if (m_pclock != last_clock && m_pclock != 0)
 	{
 		tick();
 	}
diff --git a/src/devices/machine/74161.h b/src/devices/machine/74161.h
index 503617b1635..b0bc59b8afa 100644
--- a/src/devices/machine/74161.h
+++ b/src/devices/machine/74161.h
@@ -108,7 +108,7 @@ private:
 	uint8_t m_pe;       // pin 9
 	uint8_t m_cet;      // pin 10
 	uint8_t m_cep;      // pin 7
-	uint8_t m_clock;    // pin 2
+	uint8_t m_pclock;   // pin 2
 	uint8_t m_p;        // pins 3-6 from LSB to MSB
 
 	// outputs
diff --git a/src/devices/video/hlcd0515.cpp b/src/devices/video/hlcd0515.cpp
index 309e4f2d963..b7730332bfd 100644
--- a/src/devices/video/hlcd0515.cpp
+++ b/src/devices/video/hlcd0515.cpp
@@ -66,7 +66,7 @@ void hlcd0515_device::device_start()
 
 	// zerofill
 	m_cs = 0;
-	m_clock = 0;
+	m_pclock = 0;
 	m_data = 0;
 	m_count = 0;
 	m_control = 0;
@@ -79,7 +79,7 @@ void hlcd0515_device::device_start()
 
 	// register for savestates
 	save_item(NAME(m_cs));
-	save_item(NAME(m_clock));
+	save_item(NAME(m_pclock));
 	save_item(NAME(m_data));
 	save_item(NAME(m_count));
 	save_item(NAME(m_control));
@@ -162,7 +162,7 @@ WRITE_LINE_MEMBER(hlcd0515_device::write_clock)
 	state = (state) ? 1 : 0;
 
 	// clock/shift data on falling edge
-	if (!m_cs && !state && m_clock)
+	if (!m_cs && !state && m_pclock)
 	{
 		if (m_count < 5)
 		{
@@ -179,7 +179,7 @@ WRITE_LINE_MEMBER(hlcd0515_device::write_clock)
 			m_count++;
 	}
 
-	m_clock = state;
+	m_pclock = state;
 }
 
 
diff --git a/src/devices/video/hlcd0515.h b/src/devices/video/hlcd0515.h
index 898cf93ab1e..51d7c8380ae 100644
--- a/src/devices/video/hlcd0515.h
+++ b/src/devices/video/hlcd0515.h
@@ -76,7 +76,7 @@ protected:
 	const u8 m_colmax;    // number of column pins
 
 	int m_cs;       // input pin state
-	int m_clock;    // "
+	int m_pclock;   // "
 	int m_data;     // "
 	int m_count;
 	u8 m_control;