diff --git a/api/chalicelib/core/alerts.py b/api/chalicelib/core/alerts.py
index 63a21da05..e5316ba06 100644
--- a/api/chalicelib/core/alerts.py
+++ b/api/chalicelib/core/alerts.py
@@ -166,5 +166,5 @@ def get_predefined_values():
                "unit": "count" if v.endswith(".count") else "ms",
                "predefined": True,
                "metricId": None,
-               "seriesId": None} for v in values]
+               "seriesId": None} for v in values if v != schemas.AlertColumn.custom]
     return values