diff --git a/src/net.h b/src/net.h
index 4344f21c..7bcb85b7 100644
--- a/src/net.h
+++ b/src/net.h
@@ -172,7 +172,6 @@ extern void try_outgoing_connections(void);
 extern void close_network_connections(void);
 extern int main_loop(void);
 extern void terminate_connection(struct connection_t *, bool);
-extern void flush_queue(struct node_t *);
 extern bool node_read_ecdsa_public_key(struct node_t *);
 extern bool read_ecdsa_public_key(struct connection_t *);
 extern bool read_rsa_public_key(struct connection_t *);