diff --git a/tools/python/xen/lowlevel/acm/acm.c b/tools/python/xen/lowlevel/acm/acm.c
index d426420d70..662c7f72d4 100644
--- a/tools/python/xen/lowlevel/acm/acm.c
+++ b/tools/python/xen/lowlevel/acm/acm.c
@@ -68,8 +68,6 @@ static void *__getssid(int domid, uint32_t *buflen)
         goto out2;
     } else {
         *buflen = SSID_BUFFER_SIZE;
-        free(buf);
-        buf = NULL;
         goto out2;
     }
  out2: