diff --git a/mesh/net-keys.h b/mesh/net-keys.h
index 61340db..49e0113 100644
--- a/mesh/net-keys.h
+++ b/mesh/net-keys.h
@@ -32,8 +32,6 @@ uint32_t net_key_beacon(const uint8_t *data, uint16_t len, uint32_t *ivi,
 							bool *ivu, bool *kr);
 bool net_key_snb_check(uint32_t id, uint32_t iv_index, bool kr, bool ivu,
 								uint64_t cmac);
-bool net_key_snb_compose(uint32_t id, uint32_t iv_index, bool kr, bool ivu,
-								uint8_t *snb);
 void net_key_beacon_seen(uint32_t id);
 bool net_key_beacon_refresh(uint32_t id, uint32_t iv_index, bool kr, bool ivu,
 								bool force);