diff --git a/programs/fuzz/fuzz_privkey.c b/programs/fuzz/fuzz_privkey.c
index ce7562488e..753096406d 100644
--- a/programs/fuzz/fuzz_privkey.c
+++ b/programs/fuzz/fuzz_privkey.c
@@ -1,5 +1,3 @@
-#define MBEDTLS_ALLOW_PRIVATE_ACCESS
-
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -73,7 +71,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
         if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY ||
             mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY_DH) {
             mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
-            mbedtls_ecp_group_id grp_id = ecp->grp.id;
+            mbedtls_ecp_group_id grp_id = mbedtls_ecp_keypair_get_group_id(ecp);
             const mbedtls_ecp_curve_info *curve_info =
                 mbedtls_ecp_curve_info_from_grp_id(grp_id);
 
diff --git a/programs/fuzz/fuzz_pubkey.c b/programs/fuzz/fuzz_pubkey.c
index 9203b4e61f..0b153b14d7 100644
--- a/programs/fuzz/fuzz_pubkey.c
+++ b/programs/fuzz/fuzz_pubkey.c
@@ -1,5 +1,3 @@
-#define MBEDTLS_ALLOW_PRIVATE_ACCESS
-
 #include <stdint.h>
 #include <stdlib.h>
 #include "mbedtls/pk.h"
@@ -49,7 +47,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
         if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY ||
             mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY_DH) {
             mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
-            mbedtls_ecp_group_id grp_id = ecp->grp.id;
+            mbedtls_ecp_group_id grp_id = mbedtls_ecp_keypair_get_group_id(ecp);
             const mbedtls_ecp_curve_info *curve_info =
                 mbedtls_ecp_curve_info_from_grp_id(grp_id);
 
@@ -61,9 +59,15 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
 
             /* It's a public key, so the private value should not have
              * been changed from its initialization to 0. */
-            if (mbedtls_mpi_cmp_int(&ecp->d, 0) != 0) {
+            mbedtls_mpi d;
+            mbedtls_mpi_init(&d);
+            if (mbedtls_ecp_export(ecp, NULL, &d, NULL) != 0) {
                 abort();
             }
+            if (mbedtls_mpi_cmp_int(&d, 0) != 0) {
+                abort();
+            }
+            mbedtls_mpi_free(&d);
         } else
 #endif
         {