diff --git a/src/emu/machine/6821pia.c b/src/emu/machine/6821pia.c
index 7672defa065..decc1d2a439 100644
--- a/src/emu/machine/6821pia.c
+++ b/src/emu/machine/6821pia.c
@@ -581,11 +581,6 @@ UINT8 pia6821_device::control_b_r()
 //  read
 //-------------------------------------------------
 
-READ8_MEMBER( pia6821_device::read )
-{
-    return reg_r(offset);
-}
-
 UINT8 pia6821_device::reg_r(UINT8 offset)
 {
 	UINT8 ret;
@@ -628,16 +623,6 @@ UINT8 pia6821_device::reg_r(UINT8 offset)
 }
 
 
-//-------------------------------------------------
-//  pia6821_alt_r
-//-------------------------------------------------
-
-READ8_MEMBER( pia6821_device::read_alt )
-{
-    return reg_r(((offset << 1) & 0x02) | ((offset >> 1) & 0x01));
-}
-
-
 
 //-------------------------------------------------
 //  send_to_out_a_func
@@ -866,11 +851,6 @@ void pia6821_device::control_b_w(UINT8 data)
 //  write
 //-------------------------------------------------
 
-WRITE8_MEMBER( pia6821_device::write )
-{
-    reg_w(offset, data);
-}
-
 void pia6821_device::reg_w(UINT8 offset, UINT8 data)
 {
 	switch (offset & 0x03)
@@ -909,16 +889,6 @@ void pia6821_device::reg_w(UINT8 offset, UINT8 data)
 }
 
 
-//-------------------------------------------------
-//  write_alt
-//-------------------------------------------------
-
-WRITE8_MEMBER( pia6821_device::write_alt )
-{
-    reg_w(((offset << 1) & 0x02) | ((offset >> 1) & 0x01), data);
-}
-
-
 //-------------------------------------------------
 //  porta_r
 //-------------------------------------------------
diff --git a/src/emu/machine/6821pia.h b/src/emu/machine/6821pia.h
index 7c37f5a2e55..5405b5badc4 100644
--- a/src/emu/machine/6821pia.h
+++ b/src/emu/machine/6821pia.h
@@ -85,10 +85,10 @@ public:
 	// static configuration helpers
 	static void static_set_interface(device_t &device, const pia6821_interface &interface);
 
-    DECLARE_READ8_MEMBER( read );
-    DECLARE_WRITE8_MEMBER( write );
-    DECLARE_READ8_MEMBER( read_alt );
-    DECLARE_WRITE8_MEMBER( write_alt );
+    DECLARE_READ8_MEMBER( read ) { return reg_r(offset); }
+    DECLARE_WRITE8_MEMBER( write ) { reg_w(offset, data); }
+    DECLARE_READ8_MEMBER( read_alt ) { return reg_r(((offset << 1) & 0x02) | ((offset >> 1) & 0x01)); }
+    DECLARE_WRITE8_MEMBER( write_alt ) { reg_w(((offset << 1) & 0x02) | ((offset >> 1) & 0x01), data); }
 
     UINT8 port_b_z_mask() const { return ~m_ddr_b; }          // see first note in .c
     void set_port_a_z_mask(UINT8 data) { m_port_a_z_mask = data; }// see second note in .c