diff --git a/wolfcrypt/src/ecc.c b/wolfcrypt/src/ecc.c
index ddce9dfae..13720a3b0 100644
--- a/wolfcrypt/src/ecc.c
+++ b/wolfcrypt/src/ecc.c
@@ -11749,7 +11749,11 @@ int wc_ecc_encrypt(ecc_key* privKey, ecc_key* pubKey, const byte* msg,
 
 #ifndef WOLFSSL_ECIES_OLD
     if (privKey->type == ECC_PRIVATEKEY_ONLY) {
+#ifdef ECC_TIMING_RESISTANT
         ret = wc_ecc_make_pub_ex(privKey, NULL, privKey->rng);
+#else
+        ret = wc_ecc_make_pub_ex(privKey, NULL, NULL);
+#endif
         if (ret != 0)
             return ret;
     }
diff --git a/wolfcrypt/test/test.c b/wolfcrypt/test/test.c
index 97a4445b7..7c31a0605 100644
--- a/wolfcrypt/test/test.c
+++ b/wolfcrypt/test/test.c
@@ -24405,6 +24405,8 @@ static int ecc_encrypt_kat(WC_RNG *rng)
             ret = -10456;
         }
     }
+#else
+    (void)rng;
 #endif
 
     if (ret == 0) {
@@ -31136,7 +31138,9 @@ static int pkcs7enveloped_run_vectors(byte* rsaCert, word32 rsaCertSz,
 
     pkcs7EnvelopedVector *testVectors = NULL;
 
+#ifdef ECC_TIMING_RESISTANT
     XMEMSET(&rng, 0, sizeof(rng));
+#endif
 
     testVectors = (pkcs7EnvelopedVector *)XMALLOC(MAX_TESTVECTORS_LEN * sizeof(*testVectors),
                                      HEAP_HINT, DYNAMIC_TYPE_TMP_BUFFER);