diff --git a/simvue/run.py b/simvue/run.py
index 09e8e23c..ca17edb7 100644
--- a/simvue/run.py
+++ b/simvue/run.py
@@ -2669,8 +2669,6 @@ def set_metric_units(
             name of metric to assign units to
         units : str
             unit symbol
-        label : str | None, optional
-            alternative longer name for units
         """
         self._meta_cache.setdefault("metrics", {})