diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c
index e6b7d411d..d1ec415dc 100644
--- a/src/crypto/tls_openssl.c
+++ b/src/crypto/tls_openssl.c
@@ -114,14 +114,6 @@ static size_t SSL_SESSION_get_master_key(const SSL_SESSION *session,
 #if OPENSSL_VERSION_NUMBER < 0x10100000L || \
 	(defined(LIBRESSL_VERSION_NUMBER) && \
 	 LIBRESSL_VERSION_NUMBER < 0x20700000L)
-#ifdef CONFIG_SUITEB
-static int RSA_bits(const RSA *r)
-{
-	return BN_num_bits(r->n);
-}
-#endif /* CONFIG_SUITEB */
-
-
 static const unsigned char * ASN1_STRING_get0_data(const ASN1_STRING *x)
 {
 	return ASN1_STRING_data((ASN1_STRING *) x);