diff --git a/bsps/nios2/nios2_iss/btimer/btimer.c b/bsps/nios2/nios2_iss/btimer/btimer.c
index 44b681b804..98182e5466 100644
--- a/bsps/nios2/nios2_iss/btimer/btimer.c
+++ b/bsps/nios2/nios2_iss/btimer/btimer.c
@@ -38,6 +38,8 @@ static rtems_interrupt_entry timer_interrupt;
 
 static rtems_isr timerisr(void *vector)
 {
+  (void) vector;
+
   TIMER_REGS->status = 0;
   Timer_interrupts++;
 }
diff --git a/bsps/nios2/nios2_iss/console/console.c b/bsps/nios2/nios2_iss/console/console.c
index 5cf1166592..ed93d64bec 100644
--- a/bsps/nios2/nios2_iss/console/console.c
+++ b/bsps/nios2/nios2_iss/console/console.c
@@ -57,6 +57,8 @@ int console_inbyte_nonblocking(
   int port
 )
 {
+  (void) port;
+
   char ch;
 
   /*
@@ -75,6 +77,8 @@ void console_outbyte_polled(
   char ch
 )
 {
+  (void) port;
+
   altera_avalon_jtag_uart_regs *ajur = NIOS2_IO_BASE(JTAG_UART_BASE);
 
   /*