diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 57d7a42800a1..fc5f24d2c303 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -420,7 +420,7 @@ static int pat_index[PAT_INDEX_SIZE];	/* cache mode to PAT index conversion */
 
 static u_int64_t	KPTphys;	/* phys addr of kernel level 1 */
 static u_int64_t	KPDphys;	/* phys addr of kernel level 2 */
-u_int64_t		KPDPphys;	/* phys addr of kernel level 3 */
+static u_int64_t	KPDPphys;	/* phys addr of kernel level 3 */
 u_int64_t		KPML4phys;	/* phys addr of kernel level 4 */
 u_int64_t		KPML5phys;	/* phys addr of kernel level 5,
 					   if supported */
diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h
index ef69ba9b6f9f..8ba654cb2e7c 100644
--- a/sys/amd64/include/pmap.h
+++ b/sys/amd64/include/pmap.h
@@ -303,7 +303,6 @@ typedef u_int64_t pml5_entry_t;
 #define	P5Dmap		((pd_entry_t *)(addr_P5Dmap))
 
 extern int nkpt;		/* Initial number of kernel page tables */
-extern u_int64_t KPDPphys;	/* physical address of kernel level 3 */
 extern u_int64_t KPML4phys;	/* physical address of kernel level 4 */
 extern u_int64_t KPML5phys;	/* physical address of kernel level 5 */