diff --git a/bsps/i386/pc386/ata/ide.c b/bsps/i386/pc386/ata/ide.c
index c156a18676..3d9a50bf78 100644
--- a/bsps/i386/pc386/ata/ide.c
+++ b/bsps/i386/pc386/ata/ide.c
@@ -186,6 +186,8 @@ static bool pc386_ide_probe
 |    true, when flash disk available                                        |
 \*=========================================================================*/
 {
+  (void) minor;
+
   bool ide_card_plugged = true; /* assume: we have a disk here */
 
   return ide_card_plugged;
@@ -694,6 +696,10 @@ static int pc386_ide_control
 |    <none>                                                                 |
 \*=========================================================================*/
 {
+  (void) minor;
+  (void) cmd;
+  (void) arg;
+
   return 0;
 }
 
@@ -716,6 +722,9 @@ static rtems_status_code pc386_ide_config_io_speed
 |    rtems_status_code                                                      |
 \*=========================================================================*/
 {
+  (void) minor;
+  (void) modes_avail;
+
   return RTEMS_SUCCESSFUL;
 }
 
diff --git a/bsps/i386/pc386/clock/ckinit.c b/bsps/i386/pc386/clock/ckinit.c
index cd5bdea9a8..cdc9e8f040 100644
--- a/bsps/i386/pc386/clock/ckinit.c
+++ b/bsps/i386/pc386/clock/ckinit.c
@@ -105,11 +105,15 @@ extern volatile uint32_t Clock_driver_ticks;
 
 static uint32_t pc386_get_timecount_tsc(struct timecounter *tc)
 {
+  (void) tc;
+
   return (uint32_t)rdtsc();
 }
 
 static uint32_t pc386_get_timecount_i8254(struct timecounter *tc)
 {
+  (void) tc;
+
   uint32_t                 irqs;
   uint8_t                  lsb, msb;
   rtems_interrupt_lock_context lock_context;
diff --git a/bsps/i386/pc386/console/console_control.c b/bsps/i386/pc386/console/console_control.c
index 9647c56630..f0ed9dffa3 100644
--- a/bsps/i386/pc386/console/console_control.c
+++ b/bsps/i386/pc386/console/console_control.c
@@ -63,6 +63,8 @@ rtems_device_driver console_control(
 )
 {
 #if BSP_ENABLE_VGA
+  (void) major;
+
   if (minor == 0) {
     rtems_libio_ioctl_args_t *args = arg;
 
@@ -85,6 +87,9 @@ rtems_device_driver console_control(
     args->ioctl_return = 0;
     return RTEMS_SUCCESSFUL;
   }
+#else
+  (void) major;
+  (void) minor;
 #endif
   return rtems_termios_ioctl (arg);
 }
diff --git a/bsps/i386/pc386/console/exar17d15x.c b/bsps/i386/pc386/console/exar17d15x.c
index 787e9a24d0..f776a5b512 100644
--- a/bsps/i386/pc386/console/exar17d15x.c
+++ b/bsps/i386/pc386/console/exar17d15x.c
@@ -114,10 +114,14 @@ static void xr17d15x_set_register(uintptr_t addr, uint8_t i, uint8_t val)
 
 rtems_device_driver exar17d15x_initialize(
   rtems_device_major_number  major,
-  rtems_device_minor_number  minor_arg,
+  rtems_device_minor_number  minor,
   void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   // int  pbus, pdev, pfun;
   exar17d15x_conf_t  conf[MAX_BOARDS];
   int              boards = 0;
diff --git a/bsps/i386/pc386/console/fb_vesa_rm.c b/bsps/i386/pc386/console/fb_vesa_rm.c
index c586a6d470..4f532547f2 100644
--- a/bsps/i386/pc386/console/fb_vesa_rm.c
+++ b/bsps/i386/pc386/console/fb_vesa_rm.c
@@ -853,6 +853,9 @@ frame_buffer_initialize(
     void                      *arg
 )
 {
+    (void) minor;
+    (void) arg;
+
     rtems_status_code status;
 
     printk(FB_VESA_NAME " frame buffer -- driver initializing..\n" );
@@ -883,6 +886,10 @@ frame_buffer_open(
     void                      *arg
 )
 {
+    (void) major;
+    (void) minor;
+    (void) arg;
+
     printk( FB_VESA_NAME " open device\n" );
 
     if (_Atomic_Flag_test_and_set(&driver_mutex, ATOMIC_ORDER_ACQUIRE) != 0 )
@@ -906,6 +913,10 @@ frame_buffer_close(
     void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   printk( FB_VESA_NAME " close device\n" );
   _Atomic_Flag_clear(&driver_mutex, ATOMIC_ORDER_RELEASE);
   /* restore previous state.  for VGA this means return to text mode.
@@ -926,6 +937,9 @@ frame_buffer_read(
     void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+
   printk( FB_VESA_NAME " read device\n" );
   rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *)arg;
   rw_args->bytes_moved =
@@ -947,6 +961,9 @@ frame_buffer_write(
     void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+
   printk( FB_VESA_NAME " write device\n" );
   rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *)arg;
   rw_args->bytes_moved =
@@ -981,6 +998,9 @@ frame_buffer_control(
     void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+
   rtems_libio_ioctl_args_t *args = arg;
 
   printk( FB_VESA_NAME " ioctl called, cmd=%lx\n", (uintptr_t) args->command  );
diff --git a/bsps/i386/pc386/console/gdb_select.c b/bsps/i386/pc386/console/gdb_select.c
index c8797ebe5d..cc9cd77224 100644
--- a/bsps/i386/pc386/console/gdb_select.c
+++ b/bsps/i386/pc386/console/gdb_select.c
@@ -68,6 +68,8 @@ int BSPBaseBaud;
 
 static bool gdb_port_probe(int minor)
 {
+  (void) minor;
+
   /* Return false as GDB has claimed the port */
   return false;
 }
diff --git a/bsps/i386/pc386/console/i386-stub-glue.c b/bsps/i386/pc386/console/i386-stub-glue.c
index 42a2c9c334..88d5fec137 100644
--- a/bsps/i386/pc386/console/i386-stub-glue.c
+++ b/bsps/i386/pc386/console/i386-stub-glue.c
@@ -126,11 +126,14 @@ int i386_gdb_uart_ctrl_c_check(void)
 static void
 nop(const rtems_raw_irq_connect_data* notused)
 {
+  (void) notused;
 }
 
 static int
 isOn(const rtems_raw_irq_connect_data* notused)
 {
+  (void) notused;
+
   return 1;
 }
 
diff --git a/bsps/i386/pc386/console/kbd_parser.c b/bsps/i386/pc386/console/kbd_parser.c
index 3068943078..aa1fbd60b3 100644
--- a/bsps/i386/pc386/console/kbd_parser.c
+++ b/bsps/i386/pc386/console/kbd_parser.c
@@ -25,6 +25,8 @@
 /* adds a kbd message to the queue */
 static void kbd_parser( void *ptr, unsigned short keycode, unsigned long mods )
 {
+  (void) mods;
+
   struct MW_UID_MESSAGE m;
   struct kbd_struct * kbd = (struct kbd_struct *)ptr;
 
@@ -39,10 +41,15 @@ static void kbd_parser( void *ptr, unsigned short keycode, unsigned long mods )
 
 void register_kbd_msg_queue( char *q_name, int port )
 {
+  (void) q_name;
+  (void) port;
+
   kbd_set_driver_handler( kbd_parser );
 }
 
 void unregister_kbd_msg_queue( int port )
 {
+  (void) port;
+
    kbd_set_driver_handler( NULL );
 }
diff --git a/bsps/i386/pc386/console/keyboard.c b/bsps/i386/pc386/console/keyboard.c
index b545edef5b..c831688885 100644
--- a/bsps/i386/pc386/console/keyboard.c
+++ b/bsps/i386/pc386/console/keyboard.c
@@ -465,6 +465,8 @@ static void SAK(void)
 
 static void do_ignore(unsigned char value, char up_flag)
 {
+  (void) value;
+  (void) up_flag;
 }
 
 static void do_null()
@@ -488,6 +490,8 @@ static void do_spec(unsigned char value, char up_flag)
 
 static void do_lowercase(unsigned char value, char up_flag)
 {
+  (void) value;
+  (void) up_flag;
 }
 
 static void do_self(unsigned char value, char up_flag)
@@ -562,6 +566,8 @@ unsigned char handle_diacr(unsigned char ch)
 
 static void do_cons(unsigned char value, char up_flag)
 {
+  (void) value;
+
   if (up_flag)
     return;
 }
diff --git a/bsps/i386/pc386/console/pc_keyb.c b/bsps/i386/pc386/console/pc_keyb.c
index b6f0eb216a..a6e2ee6ae2 100644
--- a/bsps/i386/pc386/console/pc_keyb.c
+++ b/bsps/i386/pc386/console/pc_keyb.c
@@ -384,6 +384,8 @@ static unsigned char handle_kbd_event(void)
 
 void keyboard_interrupt(void *unused)
 {
+	(void) unused;
+
 	handle_kbd_event();
 }
 
@@ -449,6 +451,9 @@ void pckbd_leds(unsigned char leds)
 /* for "kbd-reset" cmdline param */
 void kbd_reset_setup(char *str, int *ints)
 {
+	(void) str;
+	(void) ints;
+
 	kbd_startup_reset = 1;
 }
 
diff --git a/bsps/i386/pc386/console/ps2_mouse.c b/bsps/i386/pc386/console/ps2_mouse.c
index 581598d605..d9317c9f28 100644
--- a/bsps/i386/pc386/console/ps2_mouse.c
+++ b/bsps/i386/pc386/console/ps2_mouse.c
@@ -71,6 +71,8 @@ static void ps2_set_driver_handler(
   mouse_parser_enqueue_handler handler
 )
 {
+  (void) port;
+
   driver_input_handler_ps2 = handler;
 }
 
@@ -204,6 +206,8 @@ static unsigned char handle_kbd_event(void)
 
 static void ps2_mouse_interrupt(void * unused)
 {
+  (void) unused;
+
   handle_kbd_event();
 }
 
@@ -370,6 +374,8 @@ size_t read_aux(char * buffer, size_t count )
  */
 static int write_aux( int minor, const char * buffer, int count )
 {
+  (void) minor;
+
   int retval = 0;
 
   if (count) {
@@ -422,6 +428,9 @@ rtems_device_driver paux_initialize(
   rtems_device_minor_number minor,
   void                      *arg)
 {
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status;
 
   /*
@@ -449,6 +458,10 @@ rtems_device_driver paux_initialize(
 
 static int paux_last_close(int major, int minor, void *arg)
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   release_aux();
   return 0;
 }
@@ -460,6 +473,10 @@ static int paux_last_close(int major, int minor, void *arg)
  */
 static ssize_t write_aux_echo( int minor, const char * buffer, size_t count )
 {
+  (void) minor;
+  (void) buffer;
+  (void) count;
+
   return 0;
 }
 
@@ -497,6 +514,9 @@ rtems_device_driver paux_close(
   rtems_device_minor_number minor,
   void                      *arg)
 {
+  (void) major;
+  (void) minor;
+
   return (rtems_termios_close (arg));
 }
 
@@ -509,6 +529,9 @@ rtems_device_driver paux_read(
   rtems_device_minor_number minor,
   void                      *arg)
 {
+  (void) major;
+  (void) minor;
+
   return rtems_termios_read (arg);
 } /* tty_read */
 
@@ -521,6 +544,8 @@ rtems_device_driver  paux_write(
   rtems_device_minor_number minor,
   void                      *arg)
 {
+  (void) major;
+
   rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *)arg;
   char                  *buffer  = rw_args->buffer;
   int                    maximum  = rw_args->count;
@@ -537,6 +562,8 @@ rtems_device_driver paux_control(
   void                      *arg
 )
 {
+  (void) major;
+
   rtems_libio_ioctl_args_t *args = arg;
 
   switch( args->command ) {
diff --git a/bsps/i386/pc386/console/rtd316.c b/bsps/i386/pc386/console/rtd316.c
index 193c0249ae..dfdf12e61f 100644
--- a/bsps/i386/pc386/console/rtd316.c
+++ b/bsps/i386/pc386/console/rtd316.c
@@ -69,10 +69,14 @@ void rtd316_com_set_register(uintptr_t addr, uint8_t reg, uint8_t val)
 
 rtems_device_driver rtd316_initialize(
   rtems_device_major_number  major,
-  rtems_device_minor_number  minor_arg,
+  rtems_device_minor_number  minor,
   void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   int           p;
   console_tbl  *ports;
   console_tbl  *port_p;
diff --git a/bsps/i386/pc386/console/tty_drv.c b/bsps/i386/pc386/console/tty_drv.c
index dcec080b54..c294ec875b 100644
--- a/bsps/i386/pc386/console/tty_drv.c
+++ b/bsps/i386/pc386/console/tty_drv.c
@@ -49,6 +49,9 @@ tty1_initialize(rtems_device_major_number major,
                    rtems_device_minor_number minor,
                    void                      *arg)
 {
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status;
 
   /* Check if this port is not been used as console */
@@ -92,6 +95,10 @@ tty1_initialize(rtems_device_major_number major,
 
 static int tty1_last_close(int major, int minor, void *arg)
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status;
 
   status = rtems_interrupt_handler_remove(
@@ -163,9 +170,10 @@ tty_close(rtems_device_major_number major,
               rtems_device_minor_number minor,
               void                      *arg)
 {
+  (void) major;
+  (void) minor;
 
   return (rtems_termios_close (arg));
-
 } /* tty_close */
 
 /*
@@ -177,6 +185,9 @@ tty_read(rtems_device_major_number major,
              rtems_device_minor_number minor,
              void                      *arg)
 {
+  (void) major;
+  (void) minor;
+
   return rtems_termios_read (arg);
 } /* tty_read */
 
@@ -189,6 +200,9 @@ tty_write(rtems_device_major_number major,
               rtems_device_minor_number minor,
               void                    * arg)
 {
+    (void) major;
+    (void) minor;
+
     return rtems_termios_write (arg);
 
 } /* tty_write */
@@ -199,6 +213,8 @@ tty_write(rtems_device_major_number major,
  */
 static rtems_device_driver tty_control( int port, void  *arg )
 {
+  (void) port;
+
 	rtems_libio_ioctl_args_t *args = arg;
 	switch( args->command )
 	{
@@ -219,12 +235,17 @@ tty1_control(rtems_device_major_number major,
 		void                      * arg
 )
 {
+  (void) major;
+  (void) minor;
+
   return tty_control( BSP_UART_COM1, arg );
 }
 
 static int
 conSetAttr(int port, int minor, const struct termios *t)
 {
+  (void) minor;
+
   unsigned long baud, databits, parity, stopbits;
 
   baud = rtems_termios_baud_to_number(t->c_ospeed);
@@ -287,6 +308,9 @@ tty2_initialize(rtems_device_major_number major,
                    rtems_device_minor_number minor,
                    void                      *arg)
 {
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status;
 
   /* Check if this port is not been used as console */
@@ -331,6 +355,10 @@ tty2_initialize(rtems_device_major_number major,
 
 static int tty2_last_close(int major, int minor, void *arg)
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status;
 
   status = rtems_interrupt_handler_remove(
@@ -403,7 +431,10 @@ tty2_control(rtems_device_major_number major,
 		void                      * arg
 )
 {
-   return tty_control( BSP_UART_COM2, arg );
+  (void) major;
+  (void) minor;
+
+  return tty_control( BSP_UART_COM2, arg );
 }
 
 static int
diff --git a/bsps/i386/pc386/console/uart.c b/bsps/i386/pc386/console/uart.c
index c8f00f63b7..87df598072 100644
--- a/bsps/i386/pc386/console/uart.c
+++ b/bsps/i386/pc386/console/uart.c
@@ -498,6 +498,8 @@ BSP_uart_termios_set(int uart, void *ttyp)
 int
 BSP_uart_termios_read_com1(int uart)
 {
+  (void) uart;
+
   int     off = (int)0;
   char    buf[40];
 
@@ -521,6 +523,8 @@ BSP_uart_termios_read_com1(int uart)
 int
 BSP_uart_termios_read_com2(int uart)
 {
+  (void) uart;
+
   int     off = (int)0;
   char    buf[40];
 
@@ -544,6 +548,8 @@ BSP_uart_termios_read_com2(int uart)
 ssize_t
 BSP_uart_termios_write_com1(int minor, const char *buf, size_t len)
 {
+  (void) minor;
+
   if(len <= 0)
     {
       return 0;
@@ -578,6 +584,8 @@ BSP_uart_termios_write_com1(int minor, const char *buf, size_t len)
 ssize_t
 BSP_uart_termios_write_com2(int minor, const char *buf, size_t len)
 {
+  (void) minor;
+
   if(len <= 0)
     {
       return 0;
@@ -612,6 +620,8 @@ BSP_uart_termios_write_com2(int minor, const char *buf, size_t len)
 void
 BSP_uart_termios_isr_com1(void *ignored)
 {
+  (void) ignored;
+
   unsigned char buf[40];
   unsigned char val;
   int      off, ret, vect;
@@ -708,6 +718,8 @@ BSP_uart_termios_isr_com1(void *ignored)
 void
 BSP_uart_termios_isr_com2(void *ignored)
 {
+  (void) ignored;
+
   unsigned char buf[40];
   unsigned char val;
   int      off, ret, vect;
diff --git a/bsps/i386/pc386/console/vgacons.c b/bsps/i386/pc386/console/vgacons.c
index a3b326d8e1..f0fee9f66e 100644
--- a/bsps/i386/pc386/console/vgacons.c
+++ b/bsps/i386/pc386/console/vgacons.c
@@ -51,6 +51,8 @@
  */
 VGACONS_STATIC void vgacons_init(int minor)
 {
+  (void) minor;
+
   /*
    * Note:  We do not initialize the KBD interface here since
    *        it was initialized regardless of whether the
@@ -72,6 +74,10 @@ VGACONS_STATIC int vgacons_open(
   void    *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -86,6 +92,10 @@ VGACONS_STATIC int vgacons_close(
   void    *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return(RTEMS_SUCCESSFUL);
 }
 
@@ -99,6 +109,8 @@ VGACONS_STATIC void vgacons_write_polled(
   char  c
 )
 {
+  (void) minor;
+
   _IBMPC_outch( c );
   if( c == '\n')
     _IBMPC_outch( '\r' );            /* LF = LF + CR */
@@ -141,6 +153,8 @@ VGACONS_STATIC int vgacons_inbyte_nonblocking_polled(
   int minor
 )
 {
+  (void) minor;
+
   if( rtems_kbpoll() ) {
     int c = getch();
     return c;
@@ -160,6 +174,9 @@ VGACONS_STATIC int vgacons_set_attributes(
   const struct termios *t
 )
 {
+  (void) minor;
+  (void) t;
+
   return 0;
 }
 
@@ -167,6 +184,8 @@ bool vgacons_probe(
   int minor
 )
 {
+  (void) minor;
+
   rtems_status_code status;
   static bool firstTime = true;
 
diff --git a/bsps/i386/pc386/console/vt.c b/bsps/i386/pc386/console/vt.c
index 022cb5d461..a445a18de3 100644
--- a/bsps/i386/pc386/console/vt.c
+++ b/bsps/i386/pc386/console/vt.c
@@ -61,6 +61,8 @@ unsigned char keyboard_type = KB_101;
 static void
 kd_nosound(unsigned long ignored)
 {
+  (void) ignored;
+
   /* disable counter 2 */
   outb(inb_p(0x61)&0xFC, 0x61);
   return;
@@ -69,6 +71,8 @@ kd_nosound(unsigned long ignored)
 static void
 _kd_mksound(unsigned int hz, unsigned int ticks)
 {
+  (void) ticks;
+
   unsigned int          count = 0;
   rtems_interrupt_lock_context lock_context;
 
@@ -116,6 +120,8 @@ void (*kd_mksound)(unsigned int hz, unsigned int ticks) = _kd_mksound;
 static inline int
 do_kdsk_ioctl(int cmd, struct kbentry *user_kbe, int perm, struct kbd_struct *kbd)
 {
+  (void) perm;
+
   struct kbentry tmp;
   ushort *key_map, val;
 
@@ -171,6 +177,10 @@ do_kbkeycode_ioctl(int cmd, struct kbkeycode *user_kbkc, int perm)
 static inline int
 do_kdgkb_ioctl(int cmd, struct kbsentry *user_kdgkb, int perm)
 {
+  (void) cmd;
+  (void) user_kdgkb;
+  (void) perm;
+
   return -EINVAL;
 }
 
diff --git a/bsps/i386/pc386/include/rtems/keyboard.h b/bsps/i386/pc386/include/rtems/keyboard.h
index e35a96a7bc..40ab9fb9b4 100644
--- a/bsps/i386/pc386/include/rtems/keyboard.h
+++ b/bsps/i386/pc386/include/rtems/keyboard.h
@@ -513,6 +513,7 @@ static inline void show_console(void)
 
 static inline void set_console(int nr)
 {
+  (void) nr;
 }
 
 void set_leds(void);
diff --git a/bsps/i386/shared/cache/cache.c b/bsps/i386/shared/cache/cache.c
index 3d53ff0a21..9a366e2211 100644
--- a/bsps/i386/shared/cache/cache.c
+++ b/bsps/i386/shared/cache/cache.c
@@ -47,8 +47,14 @@ void _CPU_enable_cache(void)
  */
 
 #if defined(I386_CACHE_ALIGNMENT)
-static void _CPU_cache_flush_1_data_line(const void *d_addr) {}
-static void _CPU_cache_invalidate_1_data_line(const void *d_addr) {}
+static void _CPU_cache_flush_1_data_line(const void *d_addr)
+{
+  (void) d_addr;
+}
+static void _CPU_cache_invalidate_1_data_line(const void *d_addr)
+{
+  (void) d_addr;
+}
 static void _CPU_cache_freeze_data(void) {}
 static void _CPU_cache_unfreeze_data(void) {}
 static void _CPU_cache_flush_entire_data(void)
@@ -68,6 +74,8 @@ static void _CPU_cache_invalidate_entire_instruction(void)
 
 static void _CPU_cache_invalidate_1_instruction_line(const void *i_addr)
 {
+  (void) i_addr;
+
   _CPU_cache_invalidate_entire_instruction();
 }
 
diff --git a/bsps/i386/shared/irq/irq.c b/bsps/i386/shared/irq/irq.c
index 1c52609b12..b23e8a56a9 100644
--- a/bsps/i386/shared/irq/irq.c
+++ b/bsps/i386/shared/irq/irq.c
@@ -278,6 +278,9 @@ rtems_status_code bsp_interrupt_get_attributes(
   rtems_interrupt_attributes *attributes
 )
 {
+  (void) vector;
+  (void) attributes;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -286,6 +289,8 @@ rtems_status_code bsp_interrupt_is_pending(
   bool               *pending
 )
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(pending != NULL);
   *pending = false;
@@ -294,6 +299,8 @@ rtems_status_code bsp_interrupt_is_pending(
 
 rtems_status_code bsp_interrupt_raise(rtems_vector_number vector)
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -304,6 +311,8 @@ rtems_status_code bsp_interrupt_raise_on(
   uint32_t            cpu_index
 )
 {
+  (void) cpu_index;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -311,6 +320,8 @@ rtems_status_code bsp_interrupt_raise_on(
 
 rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -320,6 +331,8 @@ rtems_status_code bsp_interrupt_vector_is_enabled(
   bool               *enabled
 )
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(enabled != NULL);
   *enabled = false;
@@ -345,6 +358,9 @@ rtems_status_code bsp_interrupt_set_priority(
   uint32_t priority
 )
 {
+  (void) vector;
+  (void) priority;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -354,6 +370,9 @@ rtems_status_code bsp_interrupt_get_priority(
   uint32_t *priority
 )
 {
+  (void) vector;
+  (void) priority;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(priority != NULL);
   return RTEMS_UNSATISFIED;
diff --git a/bsps/i386/shared/irq/irq_init.c b/bsps/i386/shared/irq/irq_init.c
index cea1d5b5d6..fcd4db934a 100644
--- a/bsps/i386/shared/irq/irq_init.c
+++ b/bsps/i386/shared/irq/irq_init.c
@@ -54,6 +54,7 @@ extern void default_raw_idt_handler(void);
  */
 static void raw_nop_func(const struct __rtems_raw_irq_connect_data__ *unused)
 {
+  (void) unused;
 }
 
 /*
@@ -63,6 +64,8 @@ static int raw_not_connected(
   const struct __rtems_raw_irq_connect_data__ *unused
 )
 {
+  (void) unused;
+
   return 0;
 }