diff --git a/bugbot/rules/variant_expiration.py b/bugbot/rules/variant_expiration.py
index 4d09e8f25..a190dd6b1 100644
--- a/bugbot/rules/variant_expiration.py
+++ b/bugbot/rules/variant_expiration.py
@@ -143,7 +143,7 @@ def get_variants(self) -> dict:
         for variant in variants.values():
             expiration = variant["expiration"]
 
-            if expiration == "never" or expiration == "None":
+            if expiration == "never":
                 expiration = datetime.max
 
             variant["expiration"] = lmdutils.get_date_ymd(expiration)