diff --git a/sys/mips/include/clock.h b/sys/mips/include/clock.h
index 15acef8b63a..0622efb2269 100644
--- a/sys/mips/include/clock.h
+++ b/sys/mips/include/clock.h
@@ -17,8 +17,6 @@
 
 extern int cpu_clock;
 
-extern uint32_t clockintr(uint32_t, struct trapframe *);
-
 #define wall_cmos_clock 0
 #define adjkerntz 0