diff --git a/src/murmur/Cert.cpp b/src/murmur/Cert.cpp
index afbf00f092..ad9eb3ec2e 100644
--- a/src/murmur/Cert.cpp
+++ b/src/murmur/Cert.cpp
@@ -33,12 +33,10 @@ bool Server::isKeyForCert(const QSslKey &key, const QSslCertificate &cert) {
 	BIO *mem       = nullptr;
 
 	mem = BIO_new_mem_buf(qbaKey.data(), static_cast< int >(qbaKey.size()));
-	Q_UNUSED(BIO_set_close(mem, BIO_NOCLOSE));
 	pkey = d2i_PrivateKey_bio(mem, nullptr);
 	BIO_free(mem);
 
 	mem = BIO_new_mem_buf(qbaCert.data(), static_cast< int >(qbaCert.size()));
-	Q_UNUSED(BIO_set_close(mem, BIO_NOCLOSE));
 	x509 = d2i_X509_bio(mem, nullptr);
 	BIO_free(mem);
 	mem = nullptr;