diff --git a/cpu/native/irq_cpu.c b/cpu/native/irq_cpu.c
index 43736f0630..6b6f2bf1d9 100644
--- a/cpu/native/irq_cpu.c
+++ b/cpu/native/irq_cpu.c
@@ -369,8 +369,7 @@ int register_interrupt(int sig, void (*handler)(void))
 
     native_irq_handlers[sig].func = handler;
 
-    sa.sa_sigaction = (void *) native_isr_entry;
-    /* sa.sa_handler = (void*) native_isr_entry; */
+    sa.sa_sigaction = native_isr_entry;
 
     if (sigemptyset(&sa.sa_mask) == -1) {
         err(1, "register_interrupt: sigemptyset");
@@ -402,7 +401,6 @@ int unregister_interrupt(int sig)
 
     native_irq_handlers[sig].func = NULL;
 
-    /* sa.sa_sigaction = SIG_IGN; */
     sa.sa_handler = SIG_IGN;
 
     if (sigemptyset(&sa.sa_mask) == -1) {
@@ -437,7 +435,7 @@ void native_interrupt_init(void)
         native_irq_handlers[i].func = NULL;
     }
 
-    sa.sa_sigaction = (void *) native_isr_entry;
+    sa.sa_sigaction = native_isr_entry;
 
     if (sigemptyset(&sa.sa_mask) == -1) {
         err(1, "native_interrupt_init: sigemptyset");