diff --git a/share/man/man9/vm_page_wire.9 b/share/man/man9/vm_page_wire.9
index e3f03ab6b1f8..940cf9f6ceec 100644
--- a/share/man/man9/vm_page_wire.9
+++ b/share/man/man9/vm_page_wire.9
@@ -51,7 +51,7 @@ The
 .Fn vm_page_wire
 and
 .Fn vm_page_wire_mapped
-function wire the page, prevent it from being reclaimed by the page
+functions wire the page, which prevents it from being reclaimed by the page
 daemon or when its containing object is destroyed.
 Both functions require that the page belong to an object.
 The
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index f2ebee2ca550..0deeded676d3 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -3064,10 +3064,8 @@ pmap_extract_and_hold(pmap_t pmap, vm_offset_t va, vm_prot_t prot)
 {
 	pd_entry_t pde, *pdep;
 	pt_entry_t pte, PG_RW, PG_V;
-	vm_paddr_t pa;
 	vm_page_t m;
 
-	pa = 0;
 	m = NULL;
 	PG_RW = pmap_rw_bit(pmap);
 	PG_V = pmap_valid_bit(pmap);