diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index b50b873..7bfda04 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -139,6 +139,7 @@
 
 static ngx_int_t ngx_event_module_init(ngx_cycle_t *cycle)
 {
+#if !(WIN32)
     ngx_core_conf_t   *ccf;
     ngx_event_conf_t  *ecf;
 
@@ -163,6 +164,7 @@
                       "mmap(MAP_ANON|MAP_SHARED) failed");
         return NGX_ERROR;
     }
+#endif
 
     return NGX_OK;
 }