diff --git a/include/net/mpls_iptunnel.h b/include/net/mpls_iptunnel.h
index 6b4759eae158..9deb3a3735da 100644
--- a/include/net/mpls_iptunnel.h
+++ b/include/net/mpls_iptunnel.h
@@ -11,7 +11,7 @@ struct mpls_iptunnel_encap {
 	u8	ttl_propagate;
 	u8	default_ttl;
 	u8	reserved1;
-	u32	label[0];
+	u32	label[];
 };
 
 static inline struct mpls_iptunnel_encap *mpls_lwtunnel_encap(struct lwtunnel_state *lwtstate)
diff --git a/net/mpls/internal.h b/net/mpls/internal.h
index 768a302879b4..0e9aa94adc07 100644
--- a/net/mpls/internal.h
+++ b/net/mpls/internal.h
@@ -98,7 +98,7 @@ struct mpls_nh { /* next hop label forwarding entry */
 	u8			nh_via_table;
 	u8			nh_reserved1;
 
-	u32			nh_label[0];
+	u32			nh_label[];
 };
 
 /* offset of via from beginning of mpls_nh */
@@ -154,7 +154,7 @@ struct mpls_route { /* next hop label forwarding entry */
 	u8			rt_nh_size;
 	u8			rt_via_offset;
 	u8			rt_reserved1;
-	struct mpls_nh		rt_nh[0];
+	struct mpls_nh		rt_nh[];
 };
 
 #define for_nexthops(rt) {						\