diff --git a/bsps/shared/atomics/__atomic_test_and_set.c b/bsps/shared/atomics/__atomic_test_and_set.c
index a1b6ddd758..6117b4fdd2 100644
--- a/bsps/shared/atomics/__atomic_test_and_set.c
+++ b/bsps/shared/atomics/__atomic_test_and_set.c
@@ -47,6 +47,8 @@
 
 bool __atomic_test_and_set( volatile void *mem, int access )
 {
+  (void) access;
+
   volatile uint8_t     *lock = (volatile uint8_t *) mem;
   rtems_interrupt_level level;
   uint8_t               value;
diff --git a/bsps/shared/cache/cacheimpl.h b/bsps/shared/cache/cacheimpl.h
index ef1adb5dd8..70425d5873 100644
--- a/bsps/shared/cache/cacheimpl.h
+++ b/bsps/shared/cache/cacheimpl.h
@@ -181,6 +181,9 @@ rtems_cache_flush_multiple_data_lines( const void * d_addr, size_t n_bytes )
     d_addr = (void *)((size_t)d_addr + CPU_DATA_CACHE_ALIGNMENT);
   }
 #endif
+#else
+  (void) d_addr;
+  (void) n_bytes;
 #endif
 }
 
@@ -215,6 +218,9 @@ rtems_cache_invalidate_multiple_data_lines( const void * d_addr, size_t n_bytes
     d_addr = (void *)((size_t)d_addr + CPU_DATA_CACHE_ALIGNMENT);
   }
 #endif
+#else
+  (void) d_addr;
+  (void) n_bytes;
 #endif
 }
 
@@ -268,6 +274,8 @@ rtems_cache_get_data_cache_size( uint32_t level )
 #if defined(CPU_CACHE_SUPPORT_PROVIDES_CACHE_SIZE_FUNCTIONS)
   return _CPU_cache_get_data_cache_size( level );
 #else
+  (void) level;
+
   return 0;
 #endif
 }
@@ -406,6 +414,9 @@ rtems_cache_invalidate_multiple_instruction_lines(
 #else
   _CPU_cache_invalidate_instruction_range( i_addr, n_bytes );
 #endif
+#else
+  (void) i_addr;
+  (void) n_bytes;
 #endif
 }
 
@@ -444,6 +455,8 @@ rtems_cache_get_instruction_cache_size( uint32_t level )
 #if defined(CPU_CACHE_SUPPORT_PROVIDES_CACHE_SIZE_FUNCTIONS)
   return _CPU_cache_get_instruction_cache_size( level );
 #else
+  (void) level;
+
   return 0;
 #endif
 }
diff --git a/bsps/shared/dev/clock/bcm2835-system-timer.c b/bsps/shared/dev/clock/bcm2835-system-timer.c
index a6703ff1c7..86a198d5a3 100644
--- a/bsps/shared/dev/clock/bcm2835-system-timer.c
+++ b/bsps/shared/dev/clock/bcm2835-system-timer.c
@@ -46,6 +46,8 @@ static struct timecounter raspberrypi_tc;
 
 static uint32_t raspberrypi_clock_get_timecount(struct timecounter *tc)
 {
+  (void) tc;
+
   return BCM2835_REG(BCM2835_GPU_TIMER_CLO);
 }
 
diff --git a/bsps/shared/dev/clock/clock-simidle.c b/bsps/shared/dev/clock/clock-simidle.c
index c81f894b71..218e5f6c7e 100644
--- a/bsps/shared/dev/clock/clock-simidle.c
+++ b/bsps/shared/dev/clock/clock-simidle.c
@@ -36,6 +36,8 @@ void *clock_driver_sim_idle_body(
   uintptr_t   ignored
 )
 {
+  (void) ignored;
+
   for( ; ; ) {
     Per_CPU_Control *cpu = _Thread_Dispatch_disable();
     _ISR_Nest_level++;
diff --git a/bsps/shared/dev/display/disp_hcms29xx.c b/bsps/shared/dev/display/disp_hcms29xx.c
index 498e4bee2d..eea23ff2f8 100644
--- a/bsps/shared/dev/display/disp_hcms29xx.c
+++ b/bsps/shared/dev/display/disp_hcms29xx.c
@@ -13,6 +13,7 @@
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ -529,6 +530,8 @@ static rtems_timer_service_routine disp_hcms29xx_timer_sr
 |    <none used>                                                            |
 \*=========================================================================*/
 {
+  (void) id;
+
   disp_hcms29xx_drv_t *softc_ptr = arg;
 
   rtems_event_send(softc_ptr->disp_param.task_id, DISP_HCMS29XX_EVENT_TIMER);
@@ -552,6 +555,8 @@ static rtems_task disp_hcms29xx_update_task
 |    <never exits>                                                          |
 \*=========================================================================*/
 {
+  (void) argument;
+
   rtems_event_set  my_events;
   rtems_status_code rc = RTEMS_SUCCESSFUL;
   int disp_offset = 0;
@@ -748,6 +753,10 @@ rtems_device_driver disp_hcms29xx_dev_initialize
  * Initialize and register the device
  */
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   rtems_status_code rc = RTEMS_SUCCESSFUL;
   disp_hcms29xx_drv_t *softc_ptr = &disp_hcms29xx_drv_tbl;
 
@@ -825,6 +834,10 @@ rtems_device_driver disp_hcms29xx_dev_open
 |    rtems_status_code                                                      |
 \*=========================================================================*/
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   disp_hcms29xx_drv_t *softc_ptr = &disp_hcms29xx_drv_tbl;
   /*
    * ensure, that disp_hcms29xx device is assumed to be empty
@@ -854,6 +867,9 @@ rtems_device_driver disp_hcms29xx_dev_write
 |    rtems_status_code                                                      |
 \*=========================================================================*/
 {
+  (void) major;
+  (void) minor;
+
   rtems_libio_rw_args_t *args = arg;
   uint32_t cnt;
   disp_hcms29xx_drv_t *softc_ptr = &disp_hcms29xx_drv_tbl;
@@ -909,6 +925,9 @@ rtems_device_driver disp_hcms29xx_dev_close
 |    rtems_status_code                                                      |
 \*=========================================================================*/
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
 
   return RTEMS_SUCCESSFUL;
 }
diff --git a/bsps/shared/dev/dma/fsl-edma.c b/bsps/shared/dev/dma/fsl-edma.c
index c8b812c1a5..5ace1e96e7 100644
--- a/bsps/shared/dev/dma/fsl-edma.c
+++ b/bsps/shared/dev/dma/fsl-edma.c
@@ -150,6 +150,8 @@ static void fsl_edma_interrupt_handler(void *arg)
 
 static void edma_interrupt_error_handler(void *arg)
 {
+  (void) arg;
+
   rtems_chain_control *chain = &edma_channel_chain;
   rtems_chain_node *node = rtems_chain_first(chain);
 
@@ -351,6 +353,8 @@ static rtems_status_code fsl_edma_install_obtained_channel(
     ctx
   );
 #elif defined(LIBBSP_ARM_IMXRT_BSP_H)
+  (void) irq_priority;
+
   sc = rtems_interrupt_handler_install(
     DMA0_DMA16_IRQn + (channel_index % 16),
     "eDMA Channel",
diff --git a/bsps/shared/dev/i2c/i2c-2b-eeprom.c b/bsps/shared/dev/i2c/i2c-2b-eeprom.c
index 4a8b5fdb9c..6de659b271 100644
--- a/bsps/shared/dev/i2c/i2c-2b-eeprom.c
+++ b/bsps/shared/dev/i2c/i2c-2b-eeprom.c
@@ -83,6 +83,8 @@ static rtems_status_code
 i2c_2b_eeprom_write (rtems_device_major_number major,
                      rtems_device_minor_number minor, void *arg)
 {
+  (void) major;
+
   rtems_libio_rw_args_t *rwargs = arg;
   unsigned off = rwargs->offset;
   int cnt = rwargs->count;
@@ -131,6 +133,8 @@ static rtems_status_code
 i2c_2b_eeprom_read (rtems_device_major_number major,
                     rtems_device_minor_number minor, void *arg)
 {
+  (void) major;
+
   int sc;
   rtems_libio_rw_args_t *rwargs = arg;
 
diff --git a/bsps/shared/dev/i2c/i2c-ds1621.c b/bsps/shared/dev/i2c/i2c-ds1621.c
index 51f64de679..810c0a0fd1 100644
--- a/bsps/shared/dev/i2c/i2c-ds1621.c
+++ b/bsps/shared/dev/i2c/i2c-ds1621.c
@@ -60,6 +60,9 @@ static rtems_status_code
 ds1621_init (rtems_device_major_number major, rtems_device_minor_number minor,
              void *arg)
 {
+  (void) major;
+  (void) arg;
+
   int sc;
   unsigned char csr[2] = { DS1621_CMD_CSR_ACCESS, 0 }, cmd;
 
@@ -97,6 +100,8 @@ static rtems_status_code
 ds1621_read (rtems_device_major_number major, rtems_device_minor_number minor,
              void *arg)
 {
+  (void) major;
+
   int sc;
   rtems_libio_rw_args_t *rwargs = arg;
   unsigned char cmd = DS1621_CMD_READ_TEMP;
diff --git a/bsps/shared/dev/i2c/i2c-sc620.c b/bsps/shared/dev/i2c/i2c-sc620.c
index ed360086d8..07463f9b2a 100644
--- a/bsps/shared/dev/i2c/i2c-sc620.c
+++ b/bsps/shared/dev/i2c/i2c-sc620.c
@@ -43,6 +43,8 @@ static rtems_status_code i2c_sc620_write(
   void *arg
 )
 {
+  (void) major;
+
   rtems_status_code sc = RTEMS_IO_ERROR;
   rtems_libio_rw_args_t *rw = arg;
   unsigned char *buf = (unsigned char *) &rw->buffer[0];
@@ -69,6 +71,8 @@ static rtems_status_code i2c_sc620_read(
   void *arg
 )
 {
+  (void) major;
+
   rtems_status_code sc = RTEMS_IO_ERROR;
   rtems_libio_rw_args_t *rw = arg;
   unsigned char *buf = (unsigned char *) &rw->buffer[0];
diff --git a/bsps/shared/dev/i2c/spi-memdrv.c b/bsps/shared/dev/i2c/spi-memdrv.c
index d890b9e41a..87d019d3eb 100644
--- a/bsps/shared/dev/i2c/spi-memdrv.c
+++ b/bsps/shared/dev/i2c/spi-memdrv.c
@@ -135,6 +135,8 @@ rtems_status_code spi_memdrv_write
 |    o = ok or error code                                                   |
 \*=========================================================================*/
 {
+  (void) major;
+
   rtems_status_code          rc = RTEMS_SUCCESSFUL;
   rtems_libio_rw_args_t *rwargs = arg;
   off_t                     off = rwargs->offset;
@@ -321,6 +323,8 @@ rtems_status_code spi_memdrv_read
 |    o = ok or error code                                                   |
 \*=========================================================================*/
 {
+  (void) major;
+
   rtems_status_code rc = RTEMS_SUCCESSFUL;
   rtems_libio_rw_args_t *rwargs = arg;
   off_t                     off = rwargs->offset;
diff --git a/bsps/shared/dev/ide/ata.c b/bsps/shared/dev/ide/ata.c
index 6d496c3ebd..987ffe8b94 100644
--- a/bsps/shared/dev/ide/ata.c
+++ b/bsps/shared/dev/ide/ata.c
@@ -514,6 +514,8 @@ ata_non_data_request_done(ata_req_t *areq,
                           rtems_device_minor_number ctrl_minor,
                           rtems_status_code status, int info)
 {
+    (void) ctrl_minor;
+
 #if ATA_DEBUG
     ata_printf("ata_non_data_request_done: entry\n");
 #endif
@@ -629,6 +631,7 @@ static void ata_interrupt_handler(rtems_irq_hdl_param handle)
 
 static void ata_interrupt_on(const rtems_irq_connect_data *ptr)
   {
+    (void) ptr;
 
     /* enable ATA device interrupt */
     ide_controller_write_register(0,
@@ -640,6 +643,7 @@ static void ata_interrupt_on(const rtems_irq_connect_data *ptr)
 
 static void ata_interrupt_off(const rtems_irq_connect_data *ptr)
   {
+    (void) ptr;
 
     /* disable ATA device interrupt */
     ide_controller_write_register(0,
@@ -651,6 +655,8 @@ static void ata_interrupt_off(const rtems_irq_connect_data *ptr)
 
 static int ata_interrupt_isOn(const rtems_irq_connect_data *ptr)
   {
+  (void) ptr;
+
   uint16_t byte; /* emphasize that only 8 low bits is meaningful */
 
     /* return int. status od ATA device */
@@ -794,6 +800,8 @@ ata_pio_out_protocol(rtems_device_minor_number ctrl_minor, ata_req_t *areq)
 static rtems_task
 ata_queue_task(rtems_task_argument arg)
 {
+    (void) arg;
+
     ata_queue_msg_t            msg;
     size_t                     size;
     ata_req_t                 *areq;
@@ -1060,6 +1068,8 @@ static void ata_execute_device_diagnostic(
   else
 #endif
   {
+    (void) sector_buffer;
+
     ATA_DEV_INFO(ctrl_minor, 0).present = true;
     ATA_DEV_INFO(ctrl_minor,1).present = true;
   }
@@ -1083,6 +1093,10 @@ rtems_ata_initialize(rtems_device_major_number major,
                      rtems_device_minor_number minor_arg,
                      void *args)
 {
+    (void) major;
+    (void) minor_arg;
+    (void) args;
+
     uint32_t           ctrl_minor;
     rtems_status_code  status;
     uint16_t          *buffer;
diff --git a/bsps/shared/dev/ide/ide_controller.c b/bsps/shared/dev/ide/ide_controller.c
index 0bb7576544..8a1ad8ee77 100644
--- a/bsps/shared/dev/ide/ide_controller.c
+++ b/bsps/shared/dev/ide/ide_controller.c
@@ -48,6 +48,10 @@ ide_controller_initialize(rtems_device_major_number  major,
                           rtems_device_minor_number  minor_arg,
                           void                      *args)
 {
+    (void) major;
+    (void) minor_arg;
+    (void) args;
+
     unsigned long       minor;
 
     /* FIXME: may be it should be done on compilation phase */
diff --git a/bsps/shared/dev/rtc/i2c-rtc.c b/bsps/shared/dev/rtc/i2c-rtc.c
index ce63e6c367..e15fa8cff0 100644
--- a/bsps/shared/dev/rtc/i2c-rtc.c
+++ b/bsps/shared/dev/rtc/i2c-rtc.c
@@ -295,6 +295,8 @@ static void i2c_rtc_init(int minor)
 
 bool i2c_rtc_probe(int minor)
 {
+  (void) minor;
+
   return true;
 }
 
diff --git a/bsps/shared/dev/rtc/m48t08.c b/bsps/shared/dev/rtc/m48t08.c
index 1933e17ab0..c9f00b616f 100644
--- a/bsps/shared/dev/rtc/m48t08.c
+++ b/bsps/shared/dev/rtc/m48t08.c
@@ -60,6 +60,8 @@ static void m48t08_initialize(
   int minor
 )
 {
+  (void) minor;
+
 }
 
 /*
diff --git a/bsps/shared/dev/rtc/rtc-support.c b/bsps/shared/dev/rtc/rtc-support.c
index e79d6b1bf8..7495e66ca2 100644
--- a/bsps/shared/dev/rtc/rtc-support.c
+++ b/bsps/shared/dev/rtc/rtc-support.c
@@ -60,6 +60,10 @@ rtems_device_driver rtc_initialize(
   void                      *arg
 )
 {
+  (void) major;
+  (void) minor_arg;
+  (void) arg;
+
   rtems_device_minor_number minor;
   rtems_status_code status;
 
@@ -132,6 +136,9 @@ rtems_device_driver rtc_read(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+
   int rv = 0;
   rtems_libio_rw_args_t *rw = arg;
   rtems_time_of_day *tod = (rtems_time_of_day *) rw->buffer;
@@ -166,6 +173,9 @@ rtems_device_driver rtc_write(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+
   int rv = 0;
   rtems_libio_rw_args_t *rw = arg;
   const rtems_time_of_day *tod = (const rtems_time_of_day *) rw->buffer;
@@ -200,6 +210,10 @@ rtems_device_driver rtc_open(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -209,6 +223,10 @@ rtems_device_driver rtc_close(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -218,6 +236,10 @@ rtems_device_driver rtc_control(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return RTEMS_NOT_IMPLEMENTED;
 }
 
diff --git a/bsps/shared/dev/rtc/rtcprobe.c b/bsps/shared/dev/rtc/rtcprobe.c
index 0d85831d62..f7dc2ad77d 100644
--- a/bsps/shared/dev/rtc/rtcprobe.c
+++ b/bsps/shared/dev/rtc/rtcprobe.c
@@ -36,5 +36,7 @@ bool rtc_probe(
   int minor
 )
 {
+  (void) minor;
+
   return true;
 }
diff --git a/bsps/shared/dev/serial/console-polled.c b/bsps/shared/dev/serial/console-polled.c
index 37ad5b8f18..5aa7e4ba93 100644
--- a/bsps/shared/dev/serial/console-polled.c
+++ b/bsps/shared/dev/serial/console-polled.c
@@ -77,6 +77,9 @@ rtems_device_driver console_initialize(
   void                      *arg
 )
 {
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status;
 
   /*
@@ -131,6 +134,10 @@ rtems_device_driver console_close(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return rtems_termios_close( arg );
 }
 
@@ -140,6 +147,10 @@ rtems_device_driver console_read(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return rtems_termios_read( arg );
 }
 
@@ -149,6 +160,10 @@ rtems_device_driver console_write(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return rtems_termios_write( arg );
 }
 
@@ -158,5 +173,9 @@ rtems_device_driver console_control(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   return rtems_termios_ioctl( arg );
 }
diff --git a/bsps/shared/dev/serial/console-termios-init.c b/bsps/shared/dev/serial/console-termios-init.c
index c144549cb4..4a61559483 100644
--- a/bsps/shared/dev/serial/console-termios-init.c
+++ b/bsps/shared/dev/serial/console-termios-init.c
@@ -45,6 +45,9 @@ rtems_device_driver console_initialize(
   void                      *arg
 )
 {
+  (void) major;
+  (void) arg;
+
   bool console_device_done = false;
 
   rtems_termios_initialize();
diff --git a/bsps/shared/dev/serial/legacy-console-control.c b/bsps/shared/dev/serial/legacy-console-control.c
index 36497b27be..5c4d6226c2 100644
--- a/bsps/shared/dev/serial/legacy-console-control.c
+++ b/bsps/shared/dev/serial/legacy-console-control.c
@@ -60,5 +60,8 @@ rtems_device_driver console_control(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+
   return rtems_termios_ioctl (arg);
 }
diff --git a/bsps/shared/dev/serial/legacy-console.c b/bsps/shared/dev/serial/legacy-console.c
index 698439b247..0ed4c32301 100644
--- a/bsps/shared/dev/serial/legacy-console.c
+++ b/bsps/shared/dev/serial/legacy-console.c
@@ -298,6 +298,8 @@ rtems_device_driver console_close(
   void                    * arg
 )
 {
+  (void) major;
+
   rtems_libio_open_close_args_t *args = arg;
   struct rtems_termios_tty      *current_tty;
   console_tbl                   *cptr;
@@ -332,6 +334,10 @@ rtems_device_driver console_initialize(
   void                      *arg
 )
 {
+  (void) major;
+  (void) minor_arg;
+  (void) arg;
+
   rtems_status_code          status;
   rtems_device_minor_number  minor;
   console_tbl               *port;
@@ -407,6 +413,9 @@ rtems_device_driver console_read(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+
   return rtems_termios_read (arg);
 }
 
@@ -421,5 +430,8 @@ rtems_device_driver console_write(
   void                    * arg
 )
 {
+  (void) major;
+  (void) minor;
+
   return rtems_termios_write (arg);
 }
diff --git a/bsps/shared/dev/serial/mc68681.c b/bsps/shared/dev/serial/mc68681.c
index 62f5cd1fbf..d578477de5 100644
--- a/bsps/shared/dev/serial/mc68681.c
+++ b/bsps/shared/dev/serial/mc68681.c
@@ -290,6 +290,9 @@ MC68681_STATIC int mc68681_open(
   void    *arg
 )
 {
+  (void) major;
+  (void) arg;
+
   uint32_t               pMC68681;
   uint32_t               pMC68681_port;
   unsigned int           baud;
@@ -347,6 +350,9 @@ MC68681_STATIC int mc68681_close(
   void    *arg
 )
 {
+  (void) major;
+  (void) arg;
+
   uint32_t        pMC68681_port;
   setRegister_f   setReg;
 
diff --git a/bsps/shared/dev/serial/ns16550-context.c b/bsps/shared/dev/serial/ns16550-context.c
index e01b15f00c..e25a82cb61 100644
--- a/bsps/shared/dev/serial/ns16550-context.c
+++ b/bsps/shared/dev/serial/ns16550-context.c
@@ -427,6 +427,10 @@ static void ns16550_initialize_interrupts(
         rtems_fatal_error_occurred( 0xdeadbeef);
       }
     }
+  #else
+    (void) tty;
+    (void) ctx;
+    (void) isr;
   #endif
 }
 
@@ -441,6 +445,9 @@ static bool ns16550_open(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) term;
+  (void) args;
+
   ns16550_context *ctx = (ns16550_context *) base;
 
   ctx->tty = tty;
@@ -490,6 +497,10 @@ static void ns16550_cleanup_interrupts(
       printk("%s: Error: Remove interrupt handler\n", __func__);
       rtems_fatal_error_occurred(0xdeadbeef);
     }
+  #else
+    (void) tty;
+    (void) ctx;
+    (void) isr;
   #endif
 }
 
@@ -503,6 +514,8 @@ static void ns16550_close(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) args;
+
   ns16550_context *ctx = (ns16550_context *) base;
 
   ns16550_enable_interrupts(ctx, NS16550_DISABLE_ALL_INTR);
diff --git a/bsps/shared/dev/serial/ns16550.c b/bsps/shared/dev/serial/ns16550.c
index b0c743c1bb..8ecb4d36e9 100644
--- a/bsps/shared/dev/serial/ns16550.c
+++ b/bsps/shared/dev/serial/ns16550.c
@@ -311,6 +311,9 @@ int ns16550_open(
   void *arg
 )
 {
+  (void) major;
+  (void) arg;
+
   rtems_libio_open_close_args_t *oc = (rtems_libio_open_close_args_t *) arg;
   struct rtems_termios_tty *tty = (struct rtems_termios_tty *) oc->iop->data1;
   console_tbl *c = Console_Port_Tbl [minor];
@@ -344,6 +347,9 @@ int ns16550_close(
   void    * arg
 )
 {
+  (void) major;
+  (void) arg;
+
   console_tbl *c = Console_Port_Tbl [minor];
 
   /*
@@ -792,6 +798,8 @@ NS16550_STATIC void ns16550_initialize_interrupts( int minor)
         rtems_fatal_error_occurred( 0xdeadbeef);
       }
     }
+  #else
+    (void) minor;
   #endif
 }
 
@@ -824,6 +832,8 @@ NS16550_STATIC void ns16550_cleanup_interrupts(int minor)
       printk("%s: Error: Remove interrupt handler\n", __func__);
       rtems_fatal_error_occurred(0xdeadbeef);
     }
+  #else
+    (void) minor;
   #endif
 }
 
diff --git a/bsps/shared/dev/serial/printk-dummy.c b/bsps/shared/dev/serial/printk-dummy.c
index 4febd8832f..0fc214fc2d 100644
--- a/bsps/shared/dev/serial/printk-dummy.c
+++ b/bsps/shared/dev/serial/printk-dummy.c
@@ -43,6 +43,8 @@
 
 static void BSP_output_char_f(char c)
 {
+  (void) c;
+
   /* the character just needs to disappear */
 }
 
diff --git a/bsps/shared/dev/serial/serprobe.c b/bsps/shared/dev/serial/serprobe.c
index 7f8d392452..9a8166f13d 100644
--- a/bsps/shared/dev/serial/serprobe.c
+++ b/bsps/shared/dev/serial/serprobe.c
@@ -4,6 +4,8 @@
 
 bool libchip_serial_default_probe(int minor)
 {
+  (void) minor;
+
   /*
    * If the configuration dependent probe has located the device then
    * assume it is there
diff --git a/bsps/shared/dev/serial/z85c30.c b/bsps/shared/dev/serial/z85c30.c
index 9dd3dd2c73..da26bc2d52 100644
--- a/bsps/shared/dev/serial/z85c30.c
+++ b/bsps/shared/dev/serial/z85c30.c
@@ -215,6 +215,8 @@ Z85C30_STATIC int z85c30_open(
   void *arg
 )
 {
+  (void) major;
+  (void) arg;
 
   z85c30_initialize_port(minor);
 
@@ -239,6 +241,9 @@ Z85C30_STATIC int z85c30_close(
   void *arg
 )
 {
+  (void) major;
+  (void) arg;
+
   /*
    * Negate DTR
    */
diff --git a/bsps/shared/dev/serial/zynq-uart.c b/bsps/shared/dev/serial/zynq-uart.c
index 46e45b530b..9228d48205 100644
--- a/bsps/shared/dev/serial/zynq-uart.c
+++ b/bsps/shared/dev/serial/zynq-uart.c
@@ -67,6 +67,9 @@ static bool zynq_uart_first_open(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) term;
+  (void) args;
+
   zynq_uart_context *ctx = (zynq_uart_context *) base;
   volatile zynq_uart *regs = ctx->regs;
 #ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
@@ -103,6 +106,8 @@ static void zynq_uart_last_close(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) args;
+
   zynq_uart_context *ctx = (zynq_uart_context *) base;
 
   rtems_interrupt_handler_remove(ctx->irq, zynq_uart_interrupt, tty);
diff --git a/bsps/shared/dev/spi/cadence-spi.c b/bsps/shared/dev/spi/cadence-spi.c
index 5b3725fbc0..b21c996d11 100644
--- a/bsps/shared/dev/spi/cadence-spi.c
+++ b/bsps/shared/dev/spi/cadence-spi.c
@@ -302,6 +302,8 @@ static int cadence_spi_check_messages(
   const spi_ioc_transfer *msg,
   uint32_t size)
 {
+  (void) bus;
+
   while(size > 0) {
     if (msg->bits_per_word != 8) {
       return -EINVAL;
diff --git a/bsps/shared/dev/spi/xqspi_flash.c b/bsps/shared/dev/spi/xqspi_flash.c
index e757e4f9bb..abc5397e17 100644
--- a/bsps/shared/dev/spi/xqspi_flash.c
+++ b/bsps/shared/dev/spi/xqspi_flash.c
@@ -41,6 +41,8 @@ static int xqspi_get_flash_type(
   rtems_flashdev_flash_type *type
 )
 {
+  (void) flash;
+
   *type = RTEMS_FLASHDEV_NOR;
   return 0;
 }
@@ -52,6 +54,8 @@ static int xqspi_read_wrapper(
     void *buffer
 )
 {
+  (void) flash;
+
   XQspiPsu *flash_driver = (XQspiPsu*)flash->driver;
   return QspiPsu_NOR_Read(flash_driver, (uint32_t)offset, (uint32_t)count, buffer);
 }
diff --git a/bsps/shared/dev/spi/xqspipsu-flash-helper.c b/bsps/shared/dev/spi/xqspipsu-flash-helper.c
index a91358c5f5..7bff02afea 100644
--- a/bsps/shared/dev/spi/xqspipsu-flash-helper.c
+++ b/bsps/shared/dev/spi/xqspipsu-flash-helper.c
@@ -275,6 +275,10 @@ static void QspiPsuHandler(
   unsigned int ByteCount
 )
 {
+  (void) CallBackRef;
+  (void) StatusEvent;
+  (void) ByteCount;
+
   /* Indicate the transfer on the QSPIPSU bus is no longer in progress */
   if (StatusEvent == XST_SPI_TRANSFER_DONE) {
     (void) rtems_event_transient_send(TransferTask);
@@ -2331,5 +2335,7 @@ u32 QspiPsu_NOR_Get_Page_Size(XQspiPsu *QspiPsuPtr)
 
 u32 QspiPsu_NOR_Get_JEDEC_ID(XQspiPsu *QspiPsuPtr)
 {
+  (void) QspiPsuPtr;
+
   return Flash_Config_Table[FCTIndex].jedec_id;
 }
diff --git a/bsps/shared/irq/irq-default.c b/bsps/shared/irq/irq-default.c
index d3eff19648..74fe47536d 100644
--- a/bsps/shared/irq/irq-default.c
+++ b/bsps/shared/irq/irq-default.c
@@ -42,6 +42,9 @@ rtems_status_code bsp_interrupt_get_attributes(
   rtems_interrupt_attributes *attributes
 )
 {
+  (void) vector;
+  (void) attributes;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -50,6 +53,8 @@ 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;
@@ -58,12 +63,16 @@ 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;
 }
 
 rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -73,6 +82,8 @@ 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;
@@ -98,6 +109,9 @@ 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;
 }
@@ -107,6 +121,9 @@ 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/shared/irq/irq-legacy.c b/bsps/shared/irq/irq-legacy.c
index ee4d11cd87..05be780668 100644
--- a/bsps/shared/irq/irq-legacy.c
+++ b/bsps/shared/irq/irq-legacy.c
@@ -127,6 +127,8 @@ int BSP_remove_rtems_irq_handler(const rtems_irq_connect_data *cd)
  */
 int BSP_rtems_irq_mngt_set(rtems_irq_global_settings *config)
 {
+  (void) config;
+
   return 0;
 }
 
diff --git a/bsps/shared/irq/irq-server.c b/bsps/shared/irq/irq-server.c
index bac54316d1..9e600a7010 100644
--- a/bsps/shared/irq/irq-server.c
+++ b/bsps/shared/irq/irq-server.c
@@ -112,6 +112,8 @@ static void bsp_interrupt_server_per_handler_routine(
   void *handler_arg
 )
 {
+  (void) info;
+
   if (handler == bsp_interrupt_server_trigger) {
     bsp_interrupt_server_iterate_entry *ie = iterate_arg;
 
@@ -379,6 +381,8 @@ rtems_status_code rtems_interrupt_server_handler_install(
   void *arg
 )
 {
+  (void) info;
+
   rtems_status_code sc;
   rtems_interrupt_server_control *s;
 
diff --git a/bsps/shared/irq/irq-shell.c b/bsps/shared/irq/irq-shell.c
index a56fa938cf..250a3c6cf3 100644
--- a/bsps/shared/irq/irq-shell.c
+++ b/bsps/shared/irq/irq-shell.c
@@ -43,6 +43,9 @@
 
 static int bsp_interrupt_shell_main(int argc, char **argv)
 {
+  (void) argc;
+  (void) argv;
+
   rtems_printer printer;
   rtems_print_printer_printf(&printer);
   bsp_interrupt_report_with_plugin(&printer);
diff --git a/bsps/shared/ofw/ofw.c b/bsps/shared/ofw/ofw.c
index f7638b98ef..ee12ab99f6 100644
--- a/bsps/shared/ofw/ofw.c
+++ b/bsps/shared/ofw/ofw.c
@@ -511,6 +511,8 @@ static phandle_t rtems_ofw_get_effective_phandle(
   phandle_t xref
 )
 {
+  (void) node;
+
   phandle_t child;
   phandle_t ref;
   int node_offset;
diff --git a/bsps/shared/shmdr/shmdr-fatal.c b/bsps/shared/shmdr/shmdr-fatal.c
index da84431836..d736cf6b87 100644
--- a/bsps/shared/shmdr/shmdr-fatal.c
+++ b/bsps/shared/shmdr/shmdr-fatal.c
@@ -43,6 +43,9 @@ void MPCI_Fatal(
   rtems_fatal_code   error
 )
 {
+  (void) source;
+  (void) always_set_to_false;
+
    /*   Eventually need to attempt to broadcast a K_FATAL message
     *   without checking for all possible errors (do not want to
     *   recurse).
diff --git a/bsps/shared/start/bspfatal-default.c b/bsps/shared/start/bspfatal-default.c
index 1c105fbd92..2fd8c72312 100644
--- a/bsps/shared/start/bspfatal-default.c
+++ b/bsps/shared/start/bspfatal-default.c
@@ -50,6 +50,8 @@ void bsp_fatal_extension(
   rtems_fatal_code code
 )
 {
+  (void) always_set_to_false;
+
   #if defined(RTEMS_SMP)
     if (
       source == RTEMS_FATAL_SOURCE_SMP &&
diff --git a/bsps/shared/start/sbrk.c b/bsps/shared/start/sbrk.c
index 71966e33bb..e8b4a9b746 100644
--- a/bsps/shared/start/sbrk.c
+++ b/bsps/shared/start/sbrk.c
@@ -42,6 +42,8 @@
 
 void * sbrk(ptrdiff_t incr)
 {
+  (void) incr;
+
   errno = ENOMEM;
   return (void *)-1;
 }
diff --git a/bsps/shared/start/stackalloc.c b/bsps/shared/start/stackalloc.c
index 485753fad9..5573e0534a 100644
--- a/bsps/shared/start/stackalloc.c
+++ b/bsps/shared/start/stackalloc.c
@@ -45,6 +45,8 @@ static Heap_Control bsp_stack_heap;
 
 void bsp_stack_allocate_init(size_t stack_space_size)
 {
+  (void) stack_space_size;
+
   _Heap_Initialize(
     &bsp_stack_heap,
     bsp_section_stack_begin,