diff --git a/librb/src/openssl.c b/librb/src/openssl.c
index c83d203c..bc44260e 100644
--- a/librb/src/openssl.c
+++ b/librb/src/openssl.c
@@ -778,9 +778,7 @@ rb_get_ssl_certfp(rb_fde_t *F, uint8_t certfp[RB_SSL_CERTFP_LEN], int method)
 			res == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE ||
 			res == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT ||
 			res == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY ||
-			res == X509_V_ERR_CERT_UNTRUSTED ||
-			res == X509_V_ERR_CERT_NOT_YET_VALID ||
-			res == X509_V_ERR_CERT_HAS_EXPIRED)
+			res == X509_V_ERR_CERT_UNTRUSTED)
 		{
 			unsigned int len = make_certfp(cert, certfp, method);
 			X509_free(cert);