diff --git a/turbonfs/inc/nfs_internal.h b/turbonfs/inc/nfs_internal.h
index 6d990181..ff405d96 100644
--- a/turbonfs/inc/nfs_internal.h
+++ b/turbonfs/inc/nfs_internal.h
@@ -137,11 +137,10 @@ struct mount_options
             size = std::snprintf(
                                 const_cast<char*>(url.data()),
                                 url.size(),
-                                "nfs://%s%s/?version=3&debug=%d&dircache=0&xprtsec=%s&nfsport=%d&mountport=%d&timeo=%d&retrans=%d&rsize=%d&wsize=%d&readdir-buffer=%d",
+                                "nfs://%s%s/?version=3&debug=%d&dircache=0&nfsport=%d&mountport=%d&timeo=%d&retrans=%d&rsize=%d&wsize=%d&readdir-buffer=%d",
                                 server.c_str(),
                                 export_path.c_str(),
                                 debug,
-                                xprtsec.c_str(),
                                 nfs_port,
                                 mount_port,
                                 timeo,
@@ -153,11 +152,10 @@ struct mount_options
             size = std::snprintf(
                                 const_cast<char*>(url.data()),
                                 url.size(),
-                                "nfs://%s%s/?version=3&debug=%d&dircache=0&xprtsec=%s&timeo=%d&retrans=%d&rsize=%d&wsize=%d&readdir-buffer=%d",
+                                "nfs://%s%s/?version=3&debug=%d&dircache=0&timeo=%d&retrans=%d&rsize=%d&wsize=%d&readdir-buffer=%d",
                                 server.c_str(),
                                 export_path.c_str(),
                                 debug,
-                                xprtsec.c_str(),
                                 timeo,
                                 retrans,
                                 rsize,