diff --git a/setup.cfg b/setup.cfg
index 32dfb7a..e1170e4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,7 +29,6 @@ anchor.validators =
     check_domains = anchor.validators:check_domains
     iter_alternative_names = anchor.validators:iter_alternative_names
     check_networks = anchor.validators:check_networks
-    check_networks_strict = anchor.validators:check_networks_strict
     common_name = anchor.validators:common_name
     alternative_names = anchor.validators:alternative_names
     alternative_names_ip = anchor.validators:alternative_names_ip