diff --git a/subsys/bluetooth/mesh/net.c b/subsys/bluetooth/mesh/net.c
index 2c7e9321122..b0851de3b60 100644
--- a/subsys/bluetooth/mesh/net.c
+++ b/subsys/bluetooth/mesh/net.c
@@ -897,15 +897,7 @@ int bt_mesh_net_send(struct bt_mesh_net_tx *tx, struct net_buf *buf,
 			/* Notify completion if this only went
 			 * through the Mesh Proxy.
 			 */
-			if (cb) {
-				if (cb->start) {
-					cb->start(0, 0, cb_data);
-				}
-
-				if (cb->end) {
-					cb->end(0, cb_data);
-				}
-			}
+			send_cb_finalize(cb, cb_data);
 
 			err = 0;
 			goto done;
diff --git a/subsys/bluetooth/mesh/net.h b/subsys/bluetooth/mesh/net.h
index 8e675858495..a4ff4477fdb 100644
--- a/subsys/bluetooth/mesh/net.h
+++ b/subsys/bluetooth/mesh/net.h
@@ -362,3 +362,19 @@ struct friend_cred *friend_cred_create(struct bt_mesh_subnet *sub, u16_t addr,
 				       u16_t lpn_counter, u16_t frnd_counter);
 void friend_cred_clear(struct friend_cred *cred);
 int friend_cred_del(u16_t net_idx, u16_t addr);
+
+static inline void send_cb_finalize(const struct bt_mesh_send_cb *cb,
+				    void *cb_data)
+{
+	if (!cb) {
+		return;
+	}
+
+	if (cb->start) {
+		cb->start(0, 0, cb_data);
+	}
+
+	if (cb->end) {
+		cb->end(0, cb_data);
+	}
+}
diff --git a/subsys/bluetooth/mesh/transport.c b/subsys/bluetooth/mesh/transport.c
index b3c14dbd572..a59612ad395 100644
--- a/subsys/bluetooth/mesh/transport.c
+++ b/subsys/bluetooth/mesh/transport.c
@@ -426,15 +426,7 @@ static int send_seg(struct bt_mesh_net_tx *net_tx, struct net_buf_simple *sdu,
 		 * there's no other way to track this (at least currently)
 		 * with the Friend Queue.
 		 */
-		if (cb) {
-			if (cb->start) {
-				cb->start(0, 0, cb_data);
-			}
-
-			if (cb->end) {
-				cb->end(0, cb_data);
-			}
-		}
+		send_cb_finalize(cb, cb_data);
 	}
 
 	if (IS_ENABLED(CONFIG_BT_MESH_LOW_POWER) &&