diff --git a/tempest/common/isolated_creds.py b/tempest/common/isolated_creds.py
index 2fc4eb9..93dec71 100644
--- a/tempest/common/isolated_creds.py
+++ b/tempest/common/isolated_creds.py
@@ -150,7 +150,6 @@
             rand_name_root += suffix
         tenant_name = rand_name_root + "-tenant"
         tenant_desc = tenant_name + "-desc"
-        rand_name_root = rand_name(self.name)
         tenant = self._create_tenant(name=tenant_name,
                                      description=tenant_desc)
         if suffix: