diff --git a/sys/dev/hpt27xx/hpt27xx_osm_bsd.c b/sys/dev/hpt27xx/hpt27xx_osm_bsd.c
index 4aaf8f14464..6df9acaacc6 100644
--- a/sys/dev/hpt27xx/hpt27xx_osm_bsd.c
+++ b/sys/dev/hpt27xx/hpt27xx_osm_bsd.c
@@ -297,7 +297,7 @@ static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 	hpt_lock_vbus(vbus_ext);
 
 	if (mIsArray(vd->type) && vd->u.array.transform)
-		count = MAX(vd->u.array.transform->source->cmds_per_request,
+		count = max(vd->u.array.transform->source->cmds_per_request,
 					vd->u.array.transform->target->cmds_per_request);
 	else
 		count = vd->cmds_per_request;
diff --git a/sys/dev/hpt27xx/ldm.h b/sys/dev/hpt27xx/ldm.h
index 58cddad2bcc..defa459bf82 100644
--- a/sys/dev/hpt27xx/ldm.h
+++ b/sys/dev/hpt27xx/ldm.h
@@ -59,10 +59,6 @@ extern "C" {
 #error "Please redefine MAX_PARTITIONS_PER_DISK!!!"
 #endif
 
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#define MIN(a,b) (((a)<(b))?(a):(b))
-
-
 typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ];
 
 #define hpt_time_after_eq(a, b) ((int)(a) - (int)(b) >= 0)
diff --git a/sys/dev/hptnr/hptnr_osm_bsd.c b/sys/dev/hptnr/hptnr_osm_bsd.c
index e442e827c71..338770c8e83 100644
--- a/sys/dev/hptnr/hptnr_osm_bsd.c
+++ b/sys/dev/hptnr/hptnr_osm_bsd.c
@@ -294,7 +294,7 @@ static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 	hpt_assert_vbus_locked(vbus_ext);
 
 	if (mIsArray(vd->type) && vd->u.array.transform)
-		count = MAX(vd->u.array.transform->source->cmds_per_request,
+		count = max(vd->u.array.transform->source->cmds_per_request,
 					vd->u.array.transform->target->cmds_per_request);
 	else
 		count = vd->cmds_per_request;
diff --git a/sys/dev/hptnr/ldm.h b/sys/dev/hptnr/ldm.h
index 087cb2089c2..a8f29911b7b 100644
--- a/sys/dev/hptnr/ldm.h
+++ b/sys/dev/hptnr/ldm.h
@@ -58,9 +58,6 @@ extern "C" {
 #error "Please redefine MAX_PARTITIONS_PER_DISK!!!"
 #endif
 
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#define MIN(a,b) (((a)<(b))?(a):(b))
-
 
 typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ];
 
diff --git a/sys/dev/hptrr/hptrr_osm_bsd.c b/sys/dev/hptrr/hptrr_osm_bsd.c
index 49e746b2680..d2c58d4932a 100644
--- a/sys/dev/hptrr/hptrr_osm_bsd.c
+++ b/sys/dev/hptrr/hptrr_osm_bsd.c
@@ -300,7 +300,7 @@ static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 	hpt_assert_vbus_locked(vbus_ext);
 
 	if (mIsArray(vd->type) && vd->u.array.transform)
-		count = MAX(vd->u.array.transform->source->cmds_per_request,
+		count = max(vd->u.array.transform->source->cmds_per_request,
 					vd->u.array.transform->target->cmds_per_request);
 	else
 		count = vd->cmds_per_request;
diff --git a/sys/dev/hptrr/ldm.h b/sys/dev/hptrr/ldm.h
index 93a92fa2d76..1ec3427146d 100644
--- a/sys/dev/hptrr/ldm.h
+++ b/sys/dev/hptrr/ldm.h
@@ -58,10 +58,6 @@ extern "C" {
 #error "Please redefine MAX_PARTITIONS_PER_DISK!!!"
 #endif
 
-#define MAX(a,b) (((a)>(b))?(a):(b))
-#define MIN(a,b) (((a)<(b))?(a):(b))
-
-
 typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ];
 
 #define hpt_time_after_eq(a, b) ((long)(a) - (long)(b) >= 0)