diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c
--- a/sys/kern/subr_rman.c
+++ b/sys/kern/subr_rman.c
@@ -808,13 +808,6 @@
 	return(RF_ALIGNMENT_LOG2(i));
 }
 
-void
-rman_set_start(struct resource *r, rman_res_t start)
-{
-
-	r->__r_i->r_start = start;
-}
-
 rman_res_t
 rman_get_start(struct resource *r)
 {
@@ -822,13 +815,6 @@
 	return (r->__r_i->r_start);
 }
 
-void
-rman_set_end(struct resource *r, rman_res_t end)
-{
-
-	r->__r_i->r_end = end;
-}
-
 rman_res_t
 rman_get_end(struct resource *r)
 {
diff --git a/sys/sys/rman.h b/sys/sys/rman.h
--- a/sys/sys/rman.h
+++ b/sys/sys/rman.h
@@ -153,11 +153,9 @@
 void	rman_set_bushandle(struct resource *_r, bus_space_handle_t _h);
 void	rman_set_bustag(struct resource *_r, bus_space_tag_t _t);
 void	rman_set_device(struct resource *_r, device_t _dev);
-void	rman_set_end(struct resource *_r, rman_res_t _end);
 void	rman_set_irq_cookie(struct resource *_r, void *_c);
 void	rman_set_mapping(struct resource *, struct resource_map *);
 void	rman_set_rid(struct resource *_r, int _rid);
-void	rman_set_start(struct resource *_r, rman_res_t _start);
 void	rman_set_virtual(struct resource *_r, void *_v);
 
 extern	struct rman_head rman_head;