diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index f7ae17ee6..5852acf49 100755
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -27,7 +27,6 @@
 #include <linux/phylink.h>
 #include <linux/etherdevice.h>
 #include <linux/if_bridge.h>
-#include <linux/if_vlan.h>
 #include <net/dsa.h>
 
 #include "b53_regs.h"
@@ -225,8 +224,6 @@ static const struct b53_mib_desc b53_mibs_58xx[] = {
 
 #define B53_MIBS_58XX_SIZE	ARRAY_SIZE(b53_mibs_58xx)
 
-#define B53_MAX_MTU		(9720 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
-
 static int b53_do_vlan_op(struct b53_device *dev, u8 op)
 {
 	unsigned int i;
@@ -2194,7 +2191,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu)
 
 static int b53_get_max_mtu(struct dsa_switch *ds, int port)
 {
-	return B53_MAX_MTU;
+	return JMS_MAX_SIZE;
 }
 
 static const struct dsa_switch_ops b53_switch_ops = {