diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index fe1da45..c7463dc 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -4568,19 +4568,6 @@
 #endif
     }
 
-#if (NGX_HAVE_AIO_SENDFILE)
-
-    if (ngx_strcmp(value[1].data, "sendfile") == 0) {
-        clcf->aio = NGX_HTTP_AIO_ON;
-
-        ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
-                           "the \"sendfile\" parameter of "
-                           "the \"aio\" directive is deprecated");
-        return NGX_CONF_OK;
-    }
-
-#endif
-
     if (ngx_strncmp(value[1].data, "threads", 7) == 0
         && (value[1].len == 7 || value[1].data[7] == '='))
     {