diff --git a/auto/sources b/auto/sources
index 156f797..a539093 100644
--- a/auto/sources
+++ b/auto/sources
@@ -89,7 +89,8 @@
             src/event/ngx_event_timer.h \
             src/event/ngx_event_posted.h \
             src/event/ngx_event_connect.h \
-            src/event/ngx_event_pipe.h"
+            src/event/ngx_event_pipe.h \
+            src/event/ngx_event_udp.h"
 
 EVENT_SRCS="src/event/ngx_event.c \
             src/event/ngx_event_timer.c \
diff --git a/src/event/ngx_event.h b/src/event/ngx_event.h
index 548c906..deac04e 100644
--- a/src/event/ngx_event.h
+++ b/src/event/ngx_event.h
@@ -494,12 +494,6 @@
 
 
 void ngx_event_accept(ngx_event_t *ev);
-#if !(NGX_WIN32)
-void ngx_event_recvmsg(ngx_event_t *ev);
-void ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp,
-    ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
-#endif
-void ngx_delete_udp_connection(void *data);
 ngx_int_t ngx_trylock_accept_mutex(ngx_cycle_t *cycle);
 ngx_int_t ngx_enable_accept_events(ngx_cycle_t *cycle);
 u_char *ngx_accept_log_error(ngx_log_t *log, u_char *buf, size_t len);
@@ -529,6 +523,7 @@
 
 #include <ngx_event_timer.h>
 #include <ngx_event_posted.h>
+#include <ngx_event_udp.h>
 
 #if (NGX_WIN32)
 #include <ngx_iocp_module.h>
diff --git a/src/event/ngx_event_udp.h b/src/event/ngx_event_udp.h
new file mode 100644
index 0000000..25ff403
--- /dev/null
+++ b/src/event/ngx_event_udp.h
@@ -0,0 +1,24 @@
+
+/*
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_EVENT_UDP_H_INCLUDED_
+#define _NGX_EVENT_UDP_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+#if !(NGX_WIN32)
+void ngx_event_recvmsg(ngx_event_t *ev);
+void ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp,
+    ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
+#endif
+
+void ngx_delete_udp_connection(void *data);
+
+
+#endif /* _NGX_EVENT_UDP_H_INCLUDED_ */