diff --git a/omegaconf/built_in_resolvers.py b/omegaconf/built_in_resolvers.py
index 877adbb6a..885d6e4b3 100644
--- a/omegaconf/built_in_resolvers.py
+++ b/omegaconf/built_in_resolvers.py
@@ -62,7 +62,7 @@ def dict_values(key: str, _root_: BaseContainer, _parent_: Container) -> ListCon
     assert isinstance(content, dict)
 
     ret = ListConfig([])
-    for k, node in content.items():
+    for k in content:
         ref_node = AnyNode(f"${{{key}.{k}}}")
         ret.append(ref_node)