diff --git a/src/emu/cpu/dsp56k/opcode.c b/src/emu/cpu/dsp56k/opcode.c
index 803a4fe7160..d695ec0a501 100644
--- a/src/emu/cpu/dsp56k/opcode.c
+++ b/src/emu/cpu/dsp56k/opcode.c
@@ -4,7 +4,7 @@
 
 namespace DSP56K
 {
-Opcode::Opcode(UINT16 w0, UINT16 w1) : m_word0(w0), m_word1(w1)
+Opcode::Opcode(UINT16 w0, UINT16 w1) : m_word0(w0)/*, m_word1(w1)*/
 {
 	m_instruction  = Instruction::decodeInstruction(this, w0, w1);
 	m_parallelMove = ParallelMove::decodeParallelMove(this, w0, w1);
diff --git a/src/emu/cpu/dsp56k/opcode.h b/src/emu/cpu/dsp56k/opcode.h
index 86f5a3f1350..75e93885f84 100644
--- a/src/emu/cpu/dsp56k/opcode.h
+++ b/src/emu/cpu/dsp56k/opcode.h
@@ -36,7 +36,7 @@ private:
 	ParallelMove* m_parallelMove;
 
 	UINT16 m_word0;
-	UINT16 m_word1;
+	//UINT16 m_word1;
 
 	astring dcString() const;
 };
diff --git a/src/emu/cpu/psx/sio.h b/src/emu/cpu/psx/sio.h
index aaa61fb429b..7cc19d04329 100644
--- a/src/emu/cpu/psx/sio.h
+++ b/src/emu/cpu/psx/sio.h
@@ -82,7 +82,7 @@ private:
 	int deviceCount;
 
 	int m_outputdata;
-	int m_inputdata;
+	//int m_inputdata;
 };
 
 class psxsio0_device : public psxsio_device
diff --git a/src/emu/fileio.c b/src/emu/fileio.c
index d2f55fabec8..9e3849dcc66 100644
--- a/src/emu/fileio.c
+++ b/src/emu/fileio.c
@@ -110,8 +110,8 @@ bool path_iterator::next(astring &buffer, const char *name)
 
 file_enumerator::file_enumerator(const char *searchpath)
 	: m_iterator(searchpath),
-		m_curdir(NULL),
-		m_buflen(0)
+		m_curdir(NULL)/*,
+		m_buflen(0)*/
 {
 }
 
diff --git a/src/emu/fileio.h b/src/emu/fileio.h
index 42e3a134f95..ba897fb1072 100644
--- a/src/emu/fileio.h
+++ b/src/emu/fileio.h
@@ -103,7 +103,7 @@ private:
 	path_iterator   m_iterator;
 	osd_directory * m_curdir;
 	astring         m_pathbuffer;
-	int             m_buflen;
+	//int             m_buflen;
 };
 
 
diff --git a/src/emu/machine/53c7xx.h b/src/emu/machine/53c7xx.h
index 0593612bfdc..073028faa07 100644
--- a/src/emu/machine/53c7xx.h
+++ b/src/emu/machine/53c7xx.h
@@ -211,7 +211,7 @@ private:
 	emu_timer *m_tm;
 
 	int     m_scripts_state;
-	int     m_scripts_substate;
+	//int     m_scripts_substate;
 	void    (ncr53c7xx_device::*m_scripts_op)();
 
 	// callbacks
diff --git a/src/emu/machine/at29040a.h b/src/emu/machine/at29040a.h
index 4a50e6e6b0c..9c431e328fc 100644
--- a/src/emu/machine/at29040a.h
+++ b/src/emu/machine/at29040a.h
@@ -75,7 +75,7 @@ private:
 	s_pgm_t     m_pgm;              /* programming state */
 	bool        m_enabling_sdb;     /* set when a sdp enable command is in progress */
 	bool        m_disabling_sdb;    /* set when a sdp disable command is in progress */
-	bool        m_dirty;            /* set when the memory contents should be set */
+	//bool        m_dirty;            /* set when the memory contents should be set */
 	bool        m_toggle_bit;       // indicates flashing in progress (toggles for each query)
 	UINT8*      m_programming_buffer;
 	int         m_programming_last_offset;
diff --git a/src/emu/machine/mc68901.h b/src/emu/machine/mc68901.h
index 45f1b78e5ee..788e01a1636 100644
--- a/src/emu/machine/mc68901.h
+++ b/src/emu/machine/mc68901.h
@@ -165,7 +165,7 @@ private:
 	devcb_resolved_write_line   m_out_tdo_func;
 	devcb_resolved_write_line   m_out_irq_func;
 
-	int m_device_type;                      /* device type */
+	//int m_device_type;                      /* device type */
 
 	/* registers */
 	UINT8 m_gpip;                           /* general purpose I/O register */
@@ -195,7 +195,7 @@ private:
 	int m_to[4];            /* timer out latch */
 
 	/* interrupt state */
-	int m_irqlevel;                         /* interrupt level latch */
+	//int m_irqlevel;                         /* interrupt level latch */
 
 	/* serial state */
 	UINT8 m_next_rsr;                       /* receiver status register latch */
diff --git a/src/emu/machine/ncr539x.h b/src/emu/machine/ncr539x.h
index b2c4b614967..8b36665aedb 100644
--- a/src/emu/machine/ncr539x.h
+++ b/src/emu/machine/ncr539x.h
@@ -71,7 +71,7 @@ private:
 	static const int m_fifo_size = 16;
 	UINT8 m_fifo_ptr, m_fifo[m_fifo_size];
 
-	int m_xfer_remaining;   // amount in the FIFO when we're in data in phase
+	//int m_xfer_remaining;   // amount in the FIFO when we're in data in phase
 
 	// read-only registers
 	UINT8 m_status, m_irq_status, m_internal_state, m_fifo_internal_state;
diff --git a/src/emu/machine/upd7201.h b/src/emu/machine/upd7201.h
index f711826d127..555696fa419 100644
--- a/src/emu/machine/upd7201.h
+++ b/src/emu/machine/upd7201.h
@@ -136,10 +136,10 @@ private:
 	devcb_resolved_write_line       m_out_int_func;
 
 	// timers
-	emu_timer *m_rx_a_timer;
-	emu_timer *m_tx_a_timer;
-	emu_timer *m_rx_b_timer;
-	emu_timer *m_tx_b_timer;
+	//emu_timer *m_rx_a_timer;
+	//emu_timer *m_tx_a_timer;
+	//emu_timer *m_rx_b_timer;
+	//emu_timer *m_tx_b_timer;
 };
 
 
diff --git a/src/emu/sound/2151intf.h b/src/emu/sound/2151intf.h
index c8a866384ce..c0c762c10e9 100644
--- a/src/emu/sound/2151intf.h
+++ b/src/emu/sound/2151intf.h
@@ -67,7 +67,7 @@ private:
 
 	// internal state
 	sound_stream *          m_stream;
-	emu_timer *             m_timer[2];
+	//emu_timer *             m_timer[2];
 	void *                  m_chip;
 	UINT8                   m_lastreg;
 	devcb2_write_line       m_irqhandler;
diff --git a/src/emu/sound/cdp1869.h b/src/emu/sound/cdp1869.h
index 843eee30b31..9ec5fb446a2 100644
--- a/src/emu/sound/cdp1869.h
+++ b/src/emu/sound/cdp1869.h
@@ -269,7 +269,7 @@ private:
 	cdp1869_char_ram_write_func     m_out_char_ram_func;
 
 	screen_device *m_screen;
-	address_space *m_page_ram;
+	//address_space *m_page_ram;
 	emu_timer *m_prd_timer;
 	sound_stream *m_stream;
 
diff --git a/src/emu/sound/disc_cls.h b/src/emu/sound/disc_cls.h
index 58b643e579f..89147a7bde9 100644
--- a/src/emu/sound/disc_cls.h
+++ b/src/emu/sound/disc_cls.h
@@ -207,8 +207,8 @@ public:
 	void reset(void);
 	void input_write(int sub_node, UINT8 data );
 private:
-	double      m_gain;             /* node gain */
-	double      m_offset;           /* node offset */
+	//double      m_gain;             /* node gain */
+	//double      m_offset;           /* node offset */
 	UINT8       m_data;             /* data written */
 };
 
diff --git a/src/emu/sound/disc_dev.h b/src/emu/sound/disc_dev.h
index e6722b97fd0..5ccd6cd2963 100644
--- a/src/emu/sound/disc_dev.h
+++ b/src/emu/sound/disc_dev.h
@@ -98,7 +98,7 @@ DISCRETE_CLASS_STEP_RESET(dsd_555_vco1, 1,
 );
 
 DISCRETE_CLASS_STEP_RESET(dsd_566, 1,
-	unsigned int    m_state[2];                 /* keeps track of excess flip_flop changes during the current step */
+	//unsigned int    m_state[2];                 /* keeps track of excess flip_flop changes during the current step */
 	int             m_flip_flop;                /* 566 flip/flop output state */
 	double          m_cap_voltage;              /* voltage on cap */
 	double          m_v_sqr_low;                /* voltage for a squarewave at low */
diff --git a/src/emu/sound/disc_flt.h b/src/emu/sound/disc_flt.h
index a3a69a0fe7f..6c066da974e 100644
--- a/src/emu/sound/disc_flt.h
+++ b/src/emu/sound/disc_flt.h
@@ -48,7 +48,7 @@ DISCRETE_CLASS_STEP_RESET(dst_crfilter, 1,
 	double          m_rc;
 	double          m_exponent;
 	UINT8           m_has_rc_nodes;
-	UINT8           m_is_fast;
+	//UINT8           m_is_fast;
 );
 
 DISCRETE_CLASS_STEP_RESET(dst_op_amp_filt, 1,
@@ -164,7 +164,7 @@ DISCRETE_CLASS_STEP_RESET(dst_rcdiscN, 1,
 	double          m_x1;                   /* x[k-1], previous input value */
 	double          m_y1;                   /* y[k-1], previous output value */
 	double          m_a1;                   /* digital filter coefficients, denominator */
-	double          m_b[2];                 /* digital filter coefficients, numerator */
+	//double          m_b[2];                 /* digital filter coefficients, numerator */
 );
 
 DISCRETE_CLASS_STEP_RESET(dst_rcdisc2N, 1,
diff --git a/src/emu/sound/disc_wav.h b/src/emu/sound/disc_wav.h
index d5c7bc57293..2cd285d7353 100644
--- a/src/emu/sound/disc_wav.h
+++ b/src/emu/sound/disc_wav.h
@@ -27,7 +27,7 @@ DISCRETE_CLASS_STEP_RESET(dss_counter, 1,
 	int             m_is_7492;
 	int             m_last_clock;
 	UINT32          m_last_count;
-	UINT32          m_last;                 /* Last clock state */
+	//UINT32          m_last;                 /* Last clock state */
 	UINT32          m_min;
 	UINT32          m_max;
 	UINT32          m_diff;
@@ -39,8 +39,8 @@ DISCRETE_CLASS_STEP_RESET(dss_lfsr_noise, 2,
 	int             m_last;                 /* Last clock state */
 	double          m_t_clock;              /* fixed counter clock in seconds */
 	double          m_t_left;               /* time unused during last sample in seconds */
-	double          m_sample_step;
-	double          m_t;
+	//double          m_sample_step;
+	//double          m_t;
 	UINT8           m_reset_on_high;
 	UINT8           m_invert_output;
 	UINT8           m_out_is_f0;
@@ -184,7 +184,7 @@ DISCRETE_CLASS_STEP_RESET(dss_schmitt_osc, 1,
 
 /* Not yet implemented */
 DISCRETE_CLASS_STEP_RESET(dss_adsrenv,  1,
-	double          m_phase;
+	//double          m_phase;
 );
 
 
diff --git a/src/emu/uiimage.h b/src/emu/uiimage.h
index ffa300a6102..682a74c0b3d 100644
--- a/src/emu/uiimage.h
+++ b/src/emu/uiimage.h
@@ -84,7 +84,7 @@ private:
 	device_image_interface *image;
 	astring &current_directory, &current_file;
 	const image_device_format *current_format;
-	int confirm_save_as_yes;
+	//int confirm_save_as_yes;
 	char filename_buffer[1024];
 };
 
diff --git a/src/emu/video/crt9007.h b/src/emu/video/crt9007.h
index 8bb61136e4b..cb77f38b784 100644
--- a/src/emu/video/crt9007.h
+++ b/src/emu/video/crt9007.h
@@ -176,8 +176,8 @@ private:
 	int m_vlt;
 	int m_drb;
 	int m_wben;
-	int m_slg;
-	int m_sld;
+	//int m_slg;
+	//int m_sld;
 	int m_lpstb;
 
 	// DMA
diff --git a/src/emu/video/hd61830.h b/src/emu/video/hd61830.h
index 0ff8399919a..8d29920cb39 100644
--- a/src/emu/video/hd61830.h
+++ b/src/emu/video/hd61830.h
@@ -96,7 +96,7 @@ private:
 
 	screen_device *m_screen;
 	emu_timer *m_busy_timer;
-	address_space *m_data;
+	//address_space *m_data;
 
 	bool m_bf;                      // busy flag
 
diff --git a/src/emu/video/pc_vga.h b/src/emu/video/pc_vga.h
index 8ca48c6c218..fa9ca83d594 100644
--- a/src/emu/video/pc_vga.h
+++ b/src/emu/video/pc_vga.h
@@ -341,9 +341,9 @@ private:
 
 	vga_device* m_vga;  // for pass-through
 	astring m_vga_tag;  // pass-through device tag
-	UINT8* m_vram;  // the original 8514/A has it's own VRAM, but most VGA+8514 combination cards will have
+	//UINT8* m_vram;  // the original 8514/A has it's own VRAM, but most VGA+8514 combination cards will have
 					// only one set of VRAM, so this will only be needed in standalone 8514/A cards
-	UINT32 m_vramsize;
+	//UINT32 m_vramsize;
 };
 
 // device type definition
diff --git a/src/emu/video/sed1330.h b/src/emu/video/sed1330.h
index cb2eeef31f2..cde61595833 100644
--- a/src/emu/video/sed1330.h
+++ b/src/emu/video/sed1330.h
@@ -118,7 +118,7 @@ private:
 	int m_ov;                   // graphics mode layer composition
 
 	// devices
-	screen_device *m_screen;
+	//screen_device *m_screen;
 
 	// address space configurations
 	const address_space_config      m_space_config;
diff --git a/src/mess/drivers/geneve.c b/src/mess/drivers/geneve.c
index 520a27b9c36..b692ec5872f 100644
--- a/src/mess/drivers/geneve.c
+++ b/src/mess/drivers/geneve.c
@@ -273,7 +273,7 @@ public:
 	int m_ready_line, m_ready_line1;
 
 private:
-	int     m_joystick_select;
+	//int     m_joystick_select;
 	// Some values to keep. Rest is on the geneve_mapper.
 };
 
diff --git a/src/mess/drivers/ti99_8.c b/src/mess/drivers/ti99_8.c
index a22998d29d6..b10ef62e3e9 100644
--- a/src/mess/drivers/ti99_8.c
+++ b/src/mess/drivers/ti99_8.c
@@ -272,7 +272,7 @@ private:
 	/* Keyboard support */
 	void    set_keyboard_column(int number, int data);
 	int     m_keyboard_column;
-	int     m_alphalock_line;
+	//int     m_alphalock_line;
 };
 
 /*
diff --git a/src/mess/machine/apollo_kbd.h b/src/mess/machine/apollo_kbd.h
index 66ef2557415..de9105fd84e 100644
--- a/src/mess/machine/apollo_kbd.h
+++ b/src/mess/machine/apollo_kbd.h
@@ -167,8 +167,10 @@ private:
 		void putchar(UINT8 data);
 	private:
 		apollo_kbd_device *m_device; // pointer back to our device
+#if defined(KBD_TTY_NAME)
 		const char *m_tty_name;
 		int m_tty_fd; /* File descriptor of keyboard tty */
+#endif
 		int m_connected;
 	};
 
diff --git a/src/mess/machine/c64_warp_speed.h b/src/mess/machine/c64_warp_speed.h
index 0f4165fa67b..cf729e7bd06 100644
--- a/src/mess/machine/c64_warp_speed.h
+++ b/src/mess/machine/c64_warp_speed.h
@@ -45,7 +45,7 @@ protected:
 	virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
 
 private:
-	UINT8 m_bank;
+	//UINT8 m_bank;
 };
 
 
diff --git a/src/mess/machine/cpc_rom.h b/src/mess/machine/cpc_rom.h
index 36b41479852..e94a304c8fa 100644
--- a/src/mess/machine/cpc_rom.h
+++ b/src/mess/machine/cpc_rom.h
@@ -77,7 +77,7 @@ protected:
 	virtual void device_config_complete() { m_shortname = "cpc_rom"; }
 
 private:
-	cpc_expansion_slot_device *m_slot;
+	//cpc_expansion_slot_device *m_slot;
 
 	rom_image_device* m_rom[6];
 };
diff --git a/src/mess/machine/cs8221.h b/src/mess/machine/cs8221.h
index 2ecec2a7e29..33934b0e3a8 100644
--- a/src/mess/machine/cs8221.h
+++ b/src/mess/machine/cs8221.h
@@ -61,10 +61,10 @@ protected:
 private:
 
 	// internal state
-	address_space *m_space;
-	UINT8 *m_isa;
-	UINT8 *m_bios;
-	UINT8 *m_ram;
+	//address_space *m_space;
+	//UINT8 *m_isa;
+	//UINT8 *m_bios;
+	//UINT8 *m_ram;
 
 	// address selection
 	UINT8 m_address;
diff --git a/src/mess/machine/fm_scsi.h b/src/mess/machine/fm_scsi.h
index b9dc4bb852f..c8e1582cd68 100644
--- a/src/mess/machine/fm_scsi.h
+++ b/src/mess/machine/fm_scsi.h
@@ -80,7 +80,7 @@ private:
 
 	scsihle_device* m_SCSIdevices[8];
 	UINT8 m_command[32];
-	UINT8 m_result[32];
+	//UINT8 m_result[32];
 	UINT8 m_command_index;
 	int m_result_length;
 	UINT32 m_result_index;
diff --git a/src/mess/machine/isa_gus.h b/src/mess/machine/isa_gus.h
index 01b6827c715..eb52ae60a90 100644
--- a/src/mess/machine/isa_gus.h
+++ b/src/mess/machine/isa_gus.h
@@ -190,9 +190,9 @@ private:
 
 		UINT8 m_current_voice;
 		UINT8 m_current_reg;
-		UINT8 m_port;
-		UINT8 m_irq;
-		UINT8 m_dma;
+		//UINT8 m_port;
+		//UINT8 m_irq;
+		//UINT8 m_dma;
 
 		UINT8 m_adlib_cmd;
 		UINT8 m_mix_ctrl;
diff --git a/src/mess/machine/isa_wdxt_gen.h b/src/mess/machine/isa_wdxt_gen.h
index ac56a0398f2..dc7621e764e 100644
--- a/src/mess/machine/isa_wdxt_gen.h
+++ b/src/mess/machine/isa_wdxt_gen.h
@@ -77,7 +77,7 @@ private:
 
 	UINT8 m_ram[0x800];
 
-	UINT8 m_hdc_addr;
+	//UINT8 m_hdc_addr;
 };
 
 
diff --git a/src/mess/machine/kc_d004.h b/src/mess/machine/kc_d004.h
index c66e5225310..0fd4e9342e7 100644
--- a/src/mess/machine/kc_d004.h
+++ b/src/mess/machine/kc_d004.h
@@ -73,7 +73,7 @@ private:
 	UINT16              m_rom_base;
 	UINT8               m_enabled;
 	UINT8               m_connected;
-	UINT8               m_active_fdd;
+	//UINT8               m_active_fdd;
 
 	floppy_image_device *m_floppy;
 };
diff --git a/src/mess/machine/midioutport.h b/src/mess/machine/midioutport.h
index f1b680a3efc..07a4cc01cc4 100644
--- a/src/mess/machine/midioutport.h
+++ b/src/mess/machine/midioutport.h
@@ -27,7 +27,7 @@ protected:
 	virtual void device_reset() { }
 	virtual void device_config_complete() { m_shortname = "midiout_port"; }
 private:
-	serial_port_device *m_owner;
+	//serial_port_device *m_owner;
 	required_device<midiout_device> m_midiout;
 };
 
diff --git a/src/mess/machine/ncr5380n.h b/src/mess/machine/ncr5380n.h
index 43675e9838a..924c8402ef5 100644
--- a/src/mess/machine/ncr5380n.h
+++ b/src/mess/machine/ncr5380n.h
@@ -190,7 +190,7 @@ private:
 	UINT8 clock_conv, sync_offset, sync_period, bus_id, select_timeout, seq;
 	UINT16 tcount;
 	int mode;
-	int state, xfr_phase;
+	int state/*, xfr_phase*/;
 
 	bool irq, drq;
 
diff --git a/src/mess/machine/psxcd.h b/src/mess/machine/psxcd.h
index b3ab73c958c..57a752c30b1 100644
--- a/src/mess/machine/psxcd.h
+++ b/src/mess/machine/psxcd.h
@@ -158,7 +158,7 @@ public:
 	DECLARE_READ8_MEMBER( read );
 
 private:
-	emu_timer *m_timer;
+	//emu_timer *m_timer;
 	UINT32 m_sysclock;
 	const char *m_devname;
 	cdrom_image_device *m_cddevice;
diff --git a/src/mess/machine/psxcddrv.c b/src/mess/machine/psxcddrv.c
index 30c562842e6..1ff93152c6e 100644
--- a/src/mess/machine/psxcddrv.c
+++ b/src/mess/machine/psxcddrv.c
@@ -317,7 +317,7 @@ class mess_cdrom_driver : public cdrom_driver
 	int num_sectors, num_tracks;
 	toc_entry toc[100];
 	int bin_sector_size;
-	const char *err;
+	//const char *err;
 
 	io_status *read_sectors(const unsigned int startsec, const unsigned int numsec, unsigned char *buf);
 
@@ -340,7 +340,7 @@ public:
 };
 
 mess_cdrom_driver::mess_cdrom_driver()
-	: err(NULL)
+	//: err(NULL)
 {
 	for (int i=0; i<100; i++)
 		toc[i].type=track_illegal;
diff --git a/src/mess/machine/sns_spc7110.h b/src/mess/machine/sns_spc7110.h
index 39f0f2e0764..f33a5f7669d 100644
--- a/src/mess/machine/sns_spc7110.h
+++ b/src/mess/machine/sns_spc7110.h
@@ -63,7 +63,7 @@ public:
 
 private:
 	running_machine& m_machine;
-	UINT32 m_rom_size;
+	//UINT32 m_rom_size;
 };
 
 // ======================> sns_rom_spc7110_device
diff --git a/src/mess/machine/ti99/gromport.c b/src/mess/machine/ti99/gromport.c
index 1ac78442768..926a72ee6bb 100644
--- a/src/mess/machine/ti99/gromport.c
+++ b/src/mess/machine/ti99/gromport.c
@@ -1994,8 +1994,8 @@ DTD:
     Constructor.
 */
 rpk::rpk(emu_options& options, const char* sysname)
-	:m_options(options),
-	m_system_name(sysname)
+	:m_options(options)
+	//,m_system_name(sysname)
 {
 	m_sockets.reset();
 };
diff --git a/src/mess/machine/ti99/gromport.h b/src/mess/machine/ti99/gromport.h
index 66504a84ffa..f9721fe93db 100644
--- a/src/mess/machine/ti99/gromport.h
+++ b/src/mess/machine/ti99/gromport.h
@@ -437,7 +437,7 @@ public:
 private:
 	emu_options&            m_options;      // need this to find the path to the nvram files
 	int                     m_type;
-	const char*             m_system_name;  // need this to find the path to the nvram files
+	//const char*             m_system_name;  // need this to find the path to the nvram files
 	tagged_list<rpk_socket> m_sockets;
 
 	void add_socket(const char* id, rpk_socket *newsock);
diff --git a/src/mess/machine/vic1112.h b/src/mess/machine/vic1112.h
index fac875be5a3..bed07415529 100644
--- a/src/mess/machine/vic1112.h
+++ b/src/mess/machine/vic1112.h
@@ -61,7 +61,7 @@ private:
 	required_device<via6522_device> m_via1;
 	required_device<ieee488_device> m_bus;
 
-	UINT8 *m_rom;
+	//UINT8 *m_rom;
 
 	int m_via0_irq;
 	int m_via1_irq;
diff --git a/src/mess/machine/x68k_hdc.h b/src/mess/machine/x68k_hdc.h
index 7144acbe72d..c24874ba4c0 100644
--- a/src/mess/machine/x68k_hdc.h
+++ b/src/mess/machine/x68k_hdc.h
@@ -106,7 +106,7 @@ private:
 	int m_phase;
 	unsigned char m_status_port;  // read at 0xe96003
 	unsigned char m_status;       // status phase output
-	unsigned char m_message;
+	//unsigned char m_message;
 	unsigned char m_command[10];
 	unsigned char m_sense[4];
 	int m_command_byte_count;
diff --git a/src/mess/video/nubus_spec8.h b/src/mess/video/nubus_spec8.h
index 6fdc4cbc7da..b75b7c813d2 100644
--- a/src/mess/video/nubus_spec8.h
+++ b/src/mess/video/nubus_spec8.h
@@ -46,10 +46,10 @@ public:
 		emu_timer *m_timer;
 
 private:
-		UINT32 m_7xxxxx_regs[0x100000/4];
-		int m_width, m_height, m_patofsx, m_patofsy;
-		UINT32 m_vram_addr, m_vram_src;
-		UINT8 m_fillbytes[256];
+		//UINT32 m_7xxxxx_regs[0x100000/4];
+		//int m_width, m_height, m_patofsx, m_patofsy;
+		//UINT32 m_vram_addr, m_vram_src;
+		//UINT8 m_fillbytes[256];
 		bool m_vbl_pending;
 		int m_parameter;
 };
diff --git a/src/mess/video/zx8301.h b/src/mess/video/zx8301.h
index 3d320a735f3..10ab66758e2 100644
--- a/src/mess/video/zx8301.h
+++ b/src/mess/video/zx8301.h
@@ -116,7 +116,7 @@ private:
 
 	cpu_device *m_cpu;
 	screen_device *m_screen;
-	address_space *m_data;
+	//address_space *m_data;
 
 	int m_dispoff;                  // display off
 	int m_mode8;                    // mode8 active