diff --git a/include/block/nbd.h b/include/block/nbd.h
index e10ab82155..1b39c064f5 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -63,7 +63,6 @@ enum {
 
 ssize_t nbd_wr_sync(int fd, void *buffer, size_t size, bool do_read);
 int tcp_socket_incoming(const char *address, uint16_t port);
-int tcp_socket_incoming_spec(const char *address_and_port);
 int unix_socket_outgoing(const char *path);
 int unix_socket_incoming(const char *path);
 
diff --git a/nbd.c b/nbd.c
index 17ca95bf0d..2fc1f1fbf8 100644
--- a/nbd.c
+++ b/nbd.c
@@ -202,13 +202,9 @@ static void combine_addr(char *buf, size_t len, const char* address,
 int tcp_socket_incoming(const char *address, uint16_t port)
 {
     char address_and_port[128];
-    combine_addr(address_and_port, 128, address, port);
-    return tcp_socket_incoming_spec(address_and_port);
-}
-
-int tcp_socket_incoming_spec(const char *address_and_port)
-{
     Error *local_err = NULL;
+
+    combine_addr(address_and_port, 128, address, port);
     int fd = inet_listen(address_and_port, NULL, 0, SOCK_STREAM, 0, &local_err);
 
     if (local_err != NULL) {