diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index b60cc79a2f53ac81472832a604ad71cc7e0c3745..14066d0ea4519868ba64e283298a83a461696da6 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -1301,7 +1301,7 @@ static int ciphersuite_cb(const char *elem, int len, void *arg)
     return 1;
 }
 
-int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str)
+static __owur int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str)
 {
     STACK_OF(SSL_CIPHER) *newciphers = sk_SSL_CIPHER_new_null();
 
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index e8819e7a2838bbb271e02a3aa1d41b62c593c325..8afb117372b035ec96a35b81e20bc7d01ef20cc8 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -2251,7 +2251,6 @@ __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
 __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
                                  const SSL_CIPHER *const *bp);
-__owur int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str);
 __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
                                                     STACK_OF(SSL_CIPHER) *tls13_ciphersuites,
                                                     STACK_OF(SSL_CIPHER) **cipher_list,