diff --git a/epan/dissectors/packet-multipart.c b/epan/dissectors/packet-multipart.c
index e49e6c6162..ab8402697f 100644
--- a/epan/dissectors/packet-multipart.c
+++ b/epan/dissectors/packet-multipart.c
@@ -547,7 +547,9 @@ process_body_part(proto_tree *tree, tvbuff_t *tvb,
 
     gchar *content_type_str = NULL;
     gchar *content_trans_encoding_str = NULL;
+#ifdef HAVE_ZLIB
     gchar *content_encoding_str = NULL;
+#endif
     char *filename = NULL;
     char *mimetypename = NULL;
     gboolean last_field = FALSE;
@@ -694,8 +696,9 @@ process_body_part(proto_tree *tree, tvbuff_t *tvb,
                             if (crp != NULL) {
                                 *crp = '\0';
                             }
-
+#ifdef HAVE_ZLIB
                             content_encoding_str = wmem_ascii_strdown(pinfo->pool, value_str, -1);
+#endif
                         }
                         break;
                     case POS_CONTENT_TRANSFER_ENCODING:
diff --git a/epan/dissectors/packet-ntlmssp.c b/epan/dissectors/packet-ntlmssp.c
index a693e5317f..6129624110 100644
--- a/epan/dissectors/packet-ntlmssp.c
+++ b/epan/dissectors/packet-ntlmssp.c
@@ -479,7 +479,11 @@ get_keyexchange_key(unsigned char keyexchangekey[NTLMSSP_KEY_LEN], const unsigne
 }
 
 guint32
-get_md4pass_list(wmem_allocator_t *pool, md4_pass** p_pass_list)
+get_md4pass_list(wmem_allocator_t *pool
+#if !defined(HAVE_HEIMDAL_KERBEROS) && !defined(HAVE_MIT_KERBEROS)
+  _U_
+#endif
+  , md4_pass** p_pass_list)
 {
 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
   guint32        nb_pass = 0;