diff --git a/testing/test_bins/poc_memfd_create_exec.c b/testing/test_bins/poc_memfd_create_exec.c
index 9a58c1dc..96677188 100644
--- a/testing/test_bins/poc_memfd_create_exec.c
+++ b/testing/test_bins/poc_memfd_create_exec.c
@@ -95,16 +95,6 @@ void load_so(int shm_fd) {
 
 // Utility function to convert memfd_create flags to a JSON-friendly format
 void flags_to_json(unsigned long flags, char *json, size_t json_size) {
-    // from linux/memfd.h:
-    //
-    /* flags for memfd_create(2) (unsigned int) */
-    #define MFD_CLOEXEC         0x0001U
-    #define MFD_ALLOW_SEALING   0x0002U
-    #define MFD_HUGETLB         0x0004U
-    /* not executable and sealed to prevent changing to executable. */
-    #define MFD_NOEXEC_SEAL     0x0008U
-    /* executable */
-    #define MFD_EXEC            0x0010U
 
     snprintf(json, json_size, "{ \"value\": %lu, \"mfd_cloexec\": %s, \"mfd_allow_sealing\": %s, \"mfd_hugetlb\": %s, \"mfd_noexec_seal\": %s, \"mfd_exec\": %s }",
         flags,