diff --git a/extensions/ebt_arp.c b/extensions/ebt_arp.c
index f83146a..da3d9d6 100644
--- a/extensions/ebt_arp.c
+++ b/extensions/ebt_arp.c
@@ -176,8 +176,7 @@
    const struct ebt_entry_match *match, const char *name,
    unsigned int hookmask, unsigned int time)
 {
-	if (entry->bitmask & EBT_NOPROTO || entry->bitmask & EBT_802_3 ||
-	   (entry->ethproto != ETH_P_ARP && entry->ethproto != ETH_P_RARP) ||
+	if ((entry->ethproto != ETH_P_ARP && entry->ethproto != ETH_P_RARP) ||
 	    entry->invflags & EBT_IPROTO)
 		print_error("For (R)ARP filtering the protocol must be "
 		            "specified as ARP or RARP");
diff --git a/extensions/ebt_ip.c b/extensions/ebt_ip.c
index 94daef3..7080505 100644
--- a/extensions/ebt_ip.c
+++ b/extensions/ebt_ip.c
@@ -219,8 +219,7 @@
    const struct ebt_entry_match *match, const char *name,
    unsigned int hookmask, unsigned int time)
 {
-	if (entry->bitmask & EBT_NOPROTO || entry->bitmask & EBT_802_3 ||
-	   entry->ethproto != ETH_P_IP || entry->invflags & EBT_IPROTO)
+	if (entry->ethproto != ETH_P_IP || entry->invflags & EBT_IPROTO)
 		print_error("For IP filtering the protocol must be "
 		            "specified as IPv4");
 }
diff --git a/extensions/ebt_vlan.c b/extensions/ebt_vlan.c
index 1bab20c..382961f 100644
--- a/extensions/ebt_vlan.c
+++ b/extensions/ebt_vlan.c
@@ -221,9 +221,9 @@
 	struct ebt_vlan_info *vlaninfo =
 	    (struct ebt_vlan_info *) match->data;
 	/*
-	 * Is any proto param specified there? Or specified proto isn't 802.1Q?
+	 * Specified proto isn't 802.1Q?
 	 */
-	if (entry->bitmask & EBT_NOPROTO || entry->ethproto != ETH_P_8021Q ||
+	if (entry->ethproto != ETH_P_8021Q ||
 	    entry->invflags & EBT_IPROTO)
 		print_error
 		    ("For use 802.1Q extension the protocol must be specified as 802_1Q");