Index: sys/pool.h
===================================================================
RCS file: /cvs/src/sys/sys/pool.h,v
retrieving revision 1.51
diff -u -p -r1.51 pool.h
--- sys/pool.h	8 Sep 2014 00:05:22 -0000	1.51
+++ sys/pool.h	8 Sep 2014 00:17:52 -0000
@@ -119,7 +119,6 @@ struct pool {
 #define PR_LIMITFAIL	0x0004 /* M_CANFAIL */
 #define PR_ZERO		0x0008 /* M_ZERO */
 #define PR_WANTED	0x0100
-#define PR_DEBUG	0x0800
 #define PR_DEBUGCHK	0x1000
 
 	int		pr_ipl;
Index: kern/subr_pool.c
===================================================================
RCS file: /cvs/src/sys/kern/subr_pool.c,v
retrieving revision 1.151
diff -u -p -r1.151 subr_pool.c
--- kern/subr_pool.c	8 Sep 2014 00:00:05 -0000	1.151
+++ kern/subr_pool.c	8 Sep 2014 00:17:52 -0000
@@ -268,11 +268,6 @@ pool_init(struct pool *pp, size_t size, 
 	KASSERT(ioff == 0);
 #endif
 
-#ifdef MALLOC_DEBUG
-	if ((flags & PR_DEBUG) && align != 0)
-		flags &= ~PR_DEBUG;
-#endif
-
 	if (align == 0)
 		align = ALIGN(1);
 
@@ -515,17 +510,6 @@ pool_do_get(struct pool *pp, int flags)
 	void *v;
 	int slowdown = 0;
 
-#ifdef MALLOC_DEBUG
-	if (pp->pr_roflags & PR_DEBUG) {
-		void *addr;
-
-		addr = NULL;
-		debug_malloc(pp->pr_size, M_DEBUG,
-		    (flags & PR_WAITOK) ? M_WAITOK : M_NOWAIT, &addr);
-		return (addr);
-	}
-#endif
-
 startover:
 	/*
 	 * Check to see if we've reached the hard limit.  If we have,
@@ -729,13 +713,6 @@ pool_do_put(struct pool *pp, void *v)
 
 	if (v == NULL)
 		panic("pool_put of NULL");
-
-#ifdef MALLOC_DEBUG
-	if (pp->pr_roflags & PR_DEBUG) {
-		debug_free(v, M_DEBUG);
-		return;
-	}
-#endif
 
 #ifdef DIAGNOSTIC
 	if (pp->pr_ipl != -1)