diff --git a/lib/openssl.c b/lib/openssl.c
index 7f5105d..df0323d 100644
--- a/lib/openssl.c
+++ b/lib/openssl.c
@@ -1301,8 +1301,6 @@
 
     assert(num_certs != 0);
 
-    printf("verify_cert -> check point 1\n");
-
     /* convert certificates to OpenSSL representation */
     if ((cert = to_x509(certs[0])) == NULL) {
         ret = PTLS_ALERT_BAD_CERTIFICATE;
@@ -1317,14 +1315,10 @@
         sk_X509_push(chain, interm);
     }
 
-    printf("verify_cert -> check point 2\n");
-
     /* verify the chain */
     if ((ret = verify_cert_chain(self->cert_store, cert, chain, ptls_is_server(tls), ptls_get_server_name(tls))) != 0)
         goto Exit;
 
-    printf("verify_cert -> check point 3\n");
-
     /* extract public key for verifying the TLS handshake signature */
     if ((*verify_data = X509_get_pubkey(cert)) == NULL) {
         ret = PTLS_ALERT_BAD_CERTIFICATE;