diff --git a/sys/i386/include/cpu.h b/sys/i386/include/cpu.h
index 7ceb1968a2d4..684c254b660c 100644
--- a/sys/i386/include/cpu.h
+++ b/sys/i386/include/cpu.h
@@ -56,7 +56,6 @@
 #ifdef _KERNEL
 extern char	btext[];
 extern char	etext[];
-extern int	tsc_present;
 
 void	cpu_halt(void);
 void	cpu_reset(void);