diff --git a/acme/tls_sni_challenge.go b/acme/tls_sni_challenge.go
index f184b17a..34383cbf 100644
--- a/acme/tls_sni_challenge.go
+++ b/acme/tls_sni_challenge.go
@@ -41,7 +41,7 @@ func (t *tlsSNIChallenge) Solve(chlng challenge, domain string) error {
 }
 
 // TLSSNI01ChallengeCert returns a certificate and target domain for the `tls-sni-01` challenge
-func TLSSNI01ChallengeCertDomain(keyAuth string) (tls.Certificate, string, error) {
+func TLSSNI01ChallengeCert(keyAuth string) (tls.Certificate, string, error) {
 	// generate a new RSA key for the certificates
 	tempPrivKey, err := generatePrivateKey(RSA2048)
 	if err != nil {
@@ -65,9 +65,3 @@ func TLSSNI01ChallengeCertDomain(keyAuth string) (tls.Certificate, string, error
 
 	return certificate, domain, nil
 }
-
-// TLSSNI01ChallengeCert returns a certificate for the `tls-sni-01` challenge
-func TLSSNI01ChallengeCert(keyAuth string) (tls.Certificate, error) {
-	cert, _, err := TLSSNI01ChallengeCertDomain(keyAuth)
-	return cert, err
-}
diff --git a/acme/tls_sni_challenge_server.go b/acme/tls_sni_challenge_server.go
index faaf16f6..df00fbb5 100644
--- a/acme/tls_sni_challenge_server.go
+++ b/acme/tls_sni_challenge_server.go
@@ -30,7 +30,7 @@ func (s *TLSProviderServer) Present(domain, token, keyAuth string) error {
 		s.port = "443"
 	}
 
-	cert, err := TLSSNI01ChallengeCert(keyAuth)
+	cert, _, err := TLSSNI01ChallengeCert(keyAuth)
 	if err != nil {
 		return err
 	}