diff --git a/core/modules/filter/migration_templates/d6_filter_format.yml b/core/modules/filter/migration_templates/d6_filter_format.yml
index ffcbbb5..f3cc487 100644
--- a/core/modules/filter/migration_templates/d6_filter_format.yml
+++ b/core/modules/filter/migration_templates/d6_filter_format.yml
@@ -23,7 +23,6 @@ process:
     process:
       id:
         plugin: static_map
-        default_value: filter_null
         source:
           - module
           - delta
diff --git a/core/modules/filter/migration_templates/d7_filter_format.yml b/core/modules/filter/migration_templates/d7_filter_format.yml
index c671b75..1564328 100644
--- a/core/modules/filter/migration_templates/d7_filter_format.yml
+++ b/core/modules/filter/migration_templates/d7_filter_format.yml
@@ -13,12 +13,7 @@ process:
     source: filters
     key: '@id'
     process:
-      id:
-        plugin: static_map
-        bypass: true
-        source: name
-        map:
-          php_code: filter_null
+      id: name
       settings:
         plugin: filter_settings
         source: settings
