diff --git a/mongoose-promise/mongoose-promise-tests.ts b/mongoose-promise/mongoose-promise-tests.ts
index a7908c3db5..3970b2ac86 100644
--- a/mongoose-promise/mongoose-promise-tests.ts
+++ b/mongoose-promise/mongoose-promise-tests.ts
@@ -42,7 +42,7 @@ mongopromise.then(function (arg) {
 });
 mongopromise.complete();
 /* static properties */
-mongoose.Promise.ES6(function (complete, error) {
+mongoose.Promise.ES6(function (complete: any, error: any) {
   complete.apply(this);
   error.apply(this);
 });
diff --git a/passport-local-mongoose/passport-local-mongoose-tests.ts b/passport-local-mongoose/passport-local-mongoose-tests.ts
index c7d4ffc381..dcdf08bbe3 100644
--- a/passport-local-mongoose/passport-local-mongoose-tests.ts
+++ b/passport-local-mongoose/passport-local-mongoose-tests.ts
@@ -11,6 +11,7 @@
 import {
     Schema,
     model,
+    Document,
     PassportLocalDocument,
     PassportLocalSchema,
     PassportLocalModel,
@@ -77,7 +78,7 @@ options.errorMessages = errorMessages;
 
 UserSchema.plugin(passportLocalMongoose, options);
 
-interface UserModel<T extends PassportLocalDocument> extends PassportLocalModel<T> {}
+interface UserModel<T extends Document> extends PassportLocalModel<T> {}
 
 let UserModel: UserModel<User> = model<User>('User', UserSchema);
 //#endregion
diff --git a/passport-local-mongoose/passport-local-mongoose.d.ts b/passport-local-mongoose/passport-local-mongoose.d.ts
index 2c189afc6a..ab2539a709 100644
--- a/passport-local-mongoose/passport-local-mongoose.d.ts
+++ b/passport-local-mongoose/passport-local-mongoose.d.ts
@@ -76,13 +76,13 @@ declare module 'mongoose' {
     ): this;
   }
 
-  export function model<T extends PassportLocalDocument>(
+  export function model<T extends Document>(
     name: string,
     schema?: PassportLocalSchema,
     collection?: string,
     skipInit?: boolean): PassportLocalModel<T>;
 
-  export function model<T extends PassportLocalDocument, U extends PassportLocalModel<T>>(
+  export function model<T extends Document, U extends PassportLocalModel<T>>(
     name: string,
     schema?: PassportLocalSchema,
     collection?: string,