diff --git a/src/ngx_http_accounting_worker_process.c b/src/ngx_http_accounting_worker_process.c
index e89d261..02f4635 100644
--- a/src/ngx_http_accounting_worker_process.c
+++ b/src/ngx_http_accounting_worker_process.c
@@ -5,7 +5,6 @@
 #include <nginx.h>
 
 #include <syslog.h>
-#include <sys/file.h>
 
 #include "ngxta.h"
 #include "ngx_http_accounting_hash.h"