diff --git a/lib/hcrypto/dh-ltm.c b/lib/hcrypto/dh-ltm.c
index cdb61f0bb..f66cd5aff 100644
--- a/lib/hcrypto/dh-ltm.c
+++ b/lib/hcrypto/dh-ltm.c
@@ -119,9 +119,7 @@ ltm_dh_generate_key(DH *dh)
 	
 	res = mp_exptmod(&g, &priv_key, &p, &pub);
 
-	mp_clear(&priv_key);
-	mp_clear(&g);
-	mp_clear(&p);
+	mp_clear_multi(&priv_key, &g, &p, NULL);
 	if (res != 0)
 	    continue;
 
@@ -175,8 +173,6 @@ ltm_dh_compute_key(unsigned char *shared, const BIGNUM * pub, DH *dh)
 
     BN2mpz(&priv_key, dh->priv_key);
 
-    mp_init(&s);
-
     ret = mp_exptmod(&peer_pub, &priv_key, &p, &s);
 
     if (ret != 0) {