diff --git a/sandboxed_api/sandbox2/util.cc b/sandboxed_api/sandbox2/util.cc
index 584566c..79a3cd1 100644
--- a/sandboxed_api/sandbox2/util.cc
+++ b/sandboxed_api/sandbox2/util.cc
@@ -251,9 +251,8 @@ bool CreateMemFd(int* fd, const char* name) {
   // Usually defined in linux/memfd.h. Define it here to avoid dependency on
   // UAPI headers.
   constexpr uintptr_t MFD_CLOEXEC = 0x0001;
-  constexpr uintptr_t MFD_ALLOW_SEALING = 0x0002;
   int tmp_fd = Syscall(__NR_memfd_create, reinterpret_cast<uintptr_t>(name),
-                       MFD_CLOEXEC | MFD_ALLOW_SEALING);
+                       MFD_CLOEXEC);
   if (tmp_fd < 0) {
     if (errno == ENOSYS) {
       SAPI_RAW_LOG(ERROR,