diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c
index bafd4fceb534..9a0ed51cf04b 100644
--- a/sys/amd64/amd64/mp_machdep.c
+++ b/sys/amd64/amd64/mp_machdep.c
@@ -79,7 +79,6 @@ int	mcount_lock;
 
 int	mp_naps;		/* # of Applications processors */
 int	boot_cpu_id = -1;	/* designated BSP */
-extern	int nkpt;
 
 extern  struct pcpu __pcpu[];
 
diff --git a/sys/i386/i386/mp_machdep.c b/sys/i386/i386/mp_machdep.c
index a18d6a1b3677..02c34bc662a8 100644
--- a/sys/i386/i386/mp_machdep.c
+++ b/sys/i386/i386/mp_machdep.c
@@ -131,7 +131,6 @@ int	mcount_lock;
 
 int	mp_naps;		/* # of Applications processors */
 int	boot_cpu_id = -1;	/* designated BSP */
-extern	int nkpt;
 
 extern	struct pcpu __pcpu[];