--- a/src/os/unix/ngx_process_cycle.h
+++ b/src/os/unix/ngx_process_cycle.h
@@ -14,14 +14,6 @@
 
 
 typedef struct {
-     ngx_uint_t  command;
-     ngx_pid_t   pid;
-     ngx_int_t   slot;
-     ngx_fd_t    fd;
-} ngx_channel_t;
-
-
-typedef struct {
      int           argc;
      char *const  *argv;
 } ngx_master_ctx_t;
@@ -36,16 +28,11 @@ void ngx_master_process_cycle(ngx_cycle_
 void ngx_single_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
 
 
-ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
-                            ngx_log_t *log);
-ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
-                           ngx_log_t *log);
-
-
 extern ngx_uint_t      ngx_process;
 extern ngx_pid_t       ngx_pid;
 extern ngx_pid_t       ngx_new_binary;
 extern ngx_uint_t      ngx_inherited;
+extern ngx_uint_t      ngx_daemonized;
 extern ngx_uint_t      ngx_threaded;
 extern ngx_uint_t      ngx_exiting;