diff --git a/lib/dns/openssldh_link.c b/lib/dns/openssldh_link.c
index ab2f68a..727d5dd 100644
--- a/lib/dns/openssldh_link.c
+++ b/lib/dns/openssldh_link.c
@@ -69,7 +69,7 @@ static isc_result_t openssldh_todns(const dst_key_t *key, isc_buffer_t *data);
 
 static BIGNUM *bn2, *bn768, *bn1024, *bn1536;
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 /*
  * DH_get0_key, DH_set0_key, DH_get0_pqg and DH_set0_pqg
  * are from OpenSSL 1.1.0.
diff --git a/lib/dns/openssldsa_link.c b/lib/dns/openssldsa_link.c
index 4c2d3e4..5e8096f 100644
--- a/lib/dns/openssldsa_link.c
+++ b/lib/dns/openssldsa_link.c
@@ -49,7 +49,7 @@
 
 static isc_result_t openssldsa_todns(const dst_key_t *key, isc_buffer_t *data);
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 static void
 DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q,
 	     const BIGNUM **g)
diff --git a/lib/dns/opensslecdsa_link.c b/lib/dns/opensslecdsa_link.c
index 9168ec2..a39dadf 100644
--- a/lib/dns/opensslecdsa_link.c
+++ b/lib/dns/opensslecdsa_link.c
@@ -42,7 +42,7 @@
 
 #define DST_RET(a) {ret = a; goto err;}
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 /* From OpenSSL 1.1 */
 static void
 ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps) {
diff --git a/lib/dns/opensslrsa_link.c b/lib/dns/opensslrsa_link.c
index 5dddc2e..74e167b 100644
--- a/lib/dns/opensslrsa_link.c
+++ b/lib/dns/opensslrsa_link.c
@@ -121,7 +121,7 @@
 #endif
 #define DST_RET(a) {ret = a; goto err;}
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 /* From OpenSSL 1.1.0 */
 static int
 RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d) {