diff --git a/sys/netgraph/ng_bridge.h b/sys/netgraph/ng_bridge.h
index e60a75311dca..0524a96cb36f 100644
--- a/sys/netgraph/ng_bridge.h
+++ b/sys/netgraph/ng_bridge.h
@@ -130,7 +130,7 @@ struct ng_bridge_host {
 /* Structure returned by NGM_BRIDGE_GET_TABLE */
 struct ng_bridge_host_ary {
 	u_int32_t		numHosts;
-	struct ng_bridge_host	hosts[0];
+	struct ng_bridge_host	hosts[];
 };
 
 /* Keep this in sync with the above structure definition */
diff --git a/sys/netgraph/ng_ksocket.h b/sys/netgraph/ng_ksocket.h
index 953486f09864..239722d2d8dd 100644
--- a/sys/netgraph/ng_ksocket.h
+++ b/sys/netgraph/ng_ksocket.h
@@ -54,7 +54,7 @@
 struct ng_ksocket_sockopt {
 	int32_t		level;		/* second arg of [gs]etsockopt() */
 	int32_t		name;		/* third arg of [gs]etsockopt() */
-	u_char		value[0];	/* fourth arg of [gs]etsockopt() */
+	u_char		value[];	/* fourth arg of [gs]etsockopt() */
 };
 
 /* Max length socket option we can return via NGM_KSOCKET_GETOPT
diff --git a/sys/netgraph/ng_parse.h b/sys/netgraph/ng_parse.h
index b5efaf6100d1..c17feaf458e7 100644
--- a/sys/netgraph/ng_parse.h
+++ b/sys/netgraph/ng_parse.h
@@ -104,7 +104,7 @@
 	    int bar;			00 00 00 00
 	    char label[8];		61 62 63 0a 00 00 00 00
 	    u_char alen;		03 00
-	    short ary[0];	  	05 00 00 00 0a 00
+	    short ary[];	  	05 00 00 00 0a 00
 	};
 
 	ASCII value
diff --git a/sys/netgraph/ng_pppoe.h b/sys/netgraph/ng_pppoe.h
index be9a48f76ee4..00bf72c54d4c 100644
--- a/sys/netgraph/ng_pppoe.h
+++ b/sys/netgraph/ng_pppoe.h
@@ -124,7 +124,7 @@ struct ngpppoestat {
 struct ngpppoe_init_data {
 	char		hook[NG_HOOKSIZ];	/* hook to monitor on */
 	u_int16_t	data_len;		/* Length of the service name */
-	char		data[0];		/* init data goes here */
+	char		data[];			/* init data goes here */
 };
 
 /* Keep this in sync with the above structure definition */
@@ -203,7 +203,7 @@ struct ngpppoe_sts {
 struct pppoe_tag {
 	u_int16_t tag_type;
 	u_int16_t tag_len;
-	char tag_data[0];
+	char tag_data[];
 }__packed;
 
 struct pppoe_hdr{
@@ -212,7 +212,7 @@ struct pppoe_hdr{
 	u_int8_t code;
 	u_int16_t sid;
 	u_int16_t length;
-	struct pppoe_tag tag[0];
+	struct pppoe_tag tag[];
 }__packed;
 
 
diff --git a/sys/netgraph/ng_vlan.h b/sys/netgraph/ng_vlan.h
index 579e3baf26ae..7cedc995bb7b 100644
--- a/sys/netgraph/ng_vlan.h
+++ b/sys/netgraph/ng_vlan.h
@@ -62,7 +62,7 @@ struct ng_vlan_filter {
 /* Structure returned by NGM_VLAN_GET_TABLE. */
 struct ng_vlan_table {
 	u_int32_t	n;
-	struct ng_vlan_filter filter[0];
+	struct ng_vlan_filter filter[];
 };
 
 /* Keep this in sync with the above structure definition. */