diff --git a/tests/api.c b/tests/api.c
index 61d95ee635..47c9ac1151 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -1179,8 +1179,6 @@ static int do_dual_alg_server_certgen(byte **out, char *caKeyFile,
     newCert.sigType = CTC_SHA256wRSA;
     newCert.isCA    = 0;
     ExpectIntEQ(wc_SetIssuerBuffer(&newCert, caCertBuf, caCertSz), 0);
-    ExpectIntEQ(wc_SetCustomExtension(&newCert, 0, "1.2.3.4.5",
-                (const byte *)"This is NOT a critical extension", 32), 0);
     ExpectIntEQ(wc_SetCustomExtension(&newCert, 0, "2.5.29.72", sapkiBuf,
                 sapkiSz), 0);
     ExpectIntEQ(wc_SetCustomExtension(&newCert, 0, "2.5.29.73", altSigAlgBuf,
@@ -1246,21 +1244,6 @@ static int do_dual_alg_tls13_connection(byte *caCert, word32 caCertSz,
     return EXPECT_RESULT();
 }
 
-static int extCount = 0;
-static int myUnknownExtCallback(const word16* oid, word32 oidSz, int crit,
-                                const unsigned char* der, word32 derSz)
-{
-   (void) oid;
-   (void) oidSz;
-   (void) crit;
-   (void) der;
-   (void) derSz;
-   extCount ++;
-   /* Accept all extensions. This is only a test. Normally we would be much more
-    * careful about critical extensions. */
-   return 0;
-}
-
 static int test_dual_alg_support(void)
 {
     EXPECT_DECLS;
@@ -1276,7 +1259,6 @@ static int test_dual_alg_support(void)
     int rootSz = 0;
     byte *server = NULL;
     int serverSz = 0;
-    WOLFSSL_CERT_MANAGER* cm = NULL;
 
     ExpectIntEQ(load_file(keyFile, &serverKey, &serverKeySz), 0);
 
@@ -1329,19 +1311,6 @@ static int test_dual_alg_support(void)
                 TEST_SUCCESS);
 #endif
 
-    /* Lets see if CertManager can find the new extensions */
-    extCount = 0;
-    ExpectNotNull(cm = wolfSSL_CertManagerNew());
-    wolfSSL_CertManagerSetUnknownExtCallback(cm, myUnknownExtCallback);
-    ExpectIntEQ(wolfSSL_CertManagerLoadCABuffer(cm, root, rootSz,
-                SSL_FILETYPE_ASN1), WOLFSSL_SUCCESS);
-    ExpectIntEQ(wolfSSL_CertManagerVerifyBuffer(cm, server, serverSz,
-                SSL_FILETYPE_ASN1), WOLFSSL_SUCCESS);
-    /* There is only 1 unknown extension (1.2.3.4.5). The other ones are known
-     * because they are for the dual alg extensions. */
-    ExpectIntEQ(extCount, 1);
-    wolfSSL_CertManagerFree(cm);
-
     XFREE(root, NULL, DYNAMIC_TYPE_TMP_BUFFER);
     XFREE(server, NULL, DYNAMIC_TYPE_TMP_BUFFER);