remove obsolete code after upgrading to bson4

Automattic · Jan 24, 2022 · 94570a6 · 94570a6
1 parent 2e01e99
commit 94570a6
Showing 1 changed file with 0 additions and 8 deletions.
diff --git a/lib/cast.js b/lib/cast.js
@@ -36,14 +36,6 @@ module.exports = function cast(schema, obj, options, context) {
     return obj;
   }
 
-  // bson 1.x has the unfortunate tendency to remove filters that have a top-level
-  // `_bsontype` property. But we should still allow ObjectIds because
-  // `Collection#find()` has a special case to support `find(objectid)`.
-  // Should remove this when we upgrade to bson 4.x. See gh-8222, gh-8268
-  if (obj.hasOwnProperty('_bsontype') && obj._bsontype !== 'ObjectID') {
-    delete obj._bsontype;
-  }
-
   if (schema != null && schema.discriminators != null && obj[schema.options.discriminatorKey] != null) {
     schema = getSchemaDiscriminatorByValue(schema, obj[schema.options.discriminatorKey]) || schema;
   }