diff --git a/pg-promise/pg-promise-tests.ts b/pg-promise/pg-promise-tests.ts
deleted file mode 100644
index dcfcea6c9e..0000000000
--- a/pg-promise/pg-promise-tests.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-/// <reference path="./pg-promise.d.ts" />
-
-import * as pgpromise from "pg-promise";
-
-let db: pgpromise.PromiseClient;
-let pgp: pgpromise.PgPromise;
-
-db.one('sql', { 'values': 'values' });
-db.oneOrNone('sql', { 'values': 'values' });
-db.many('sql', { 'values': 'values' });
-db.many('sql', { 'values': 'values' }, { 'optional': 'optional' });
-
-// All functions
-db.none('sql');
-db.one('sql');
-db.many('sql');
-db.query('sql');
-
-
-db.any('sql');
-db.oneOrNone('sql');
-db.manyOrNone('sql');
-
-db.func('sql');
-db.proc('sql');
-
-db.task(() => {});
-db.tx(() => {});
-
-// Optional values
-db.none('sql', { 'values': 'values' });
-
-// QRM parameter
-db.none('sql', { 'values': 'values' }, { 'QRM': 'QRM' });
diff --git a/pg-promise/pg-promise-tests.ts.tscparams b/pg-promise/pg-promise-tests.ts.tscparams
deleted file mode 100644
index 14fce22a5c..0000000000
--- a/pg-promise/pg-promise-tests.ts.tscparams
+++ /dev/null
@@ -1 +0,0 @@
---target ES6
diff --git a/pg-promise/pg-promise.d.ts b/pg-promise/pg-promise.d.ts
index db96344b4d..978b31c934 100644
--- a/pg-promise/pg-promise.d.ts
+++ b/pg-promise/pg-promise.d.ts
@@ -1,80 +1,7 @@
 // Type definitions for pg-promise
 // Project: https://github.com/vitaly-t/pg-promise
-// Definitions by: Jörg Dotzki <https://github.com/ISO50>
+// Definitions by: vvakame <https://github.com/vvakame>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-// tsc --noImplicitAny --module commonjs --target ES6 pg-promise/pg-promise-tests.ts
-
-/// <reference path="../pg/pg.d.ts" />
-
-
-declare namespace PgPromise {
-}
-
-
-declare module "pg-promise" {
-
-  import * as pg from "pg";
-
-  function e(options?: {
-
-    pgFormatting?: Object;
-    promiseLib?: Object;
-    connect?: Function;
-    disconnect?: Function;
-    query?: Function;
-    task?: Function;
-    transact?: Function;
-    error?: Function;
-    extend?: Function;
-    noLocking?: Function;
-  }): e.PgPromise;
-
-
-
-  namespace e {
-
-    export interface PromiseClient {
-
-      none(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-      one(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-      many(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-      query(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-
-
-      any(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-      oneOrNone(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-      manyOrNone(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-
-      func(queryText: string, values?: any[] | any, qrm?: any): Promise<any>;
-      proc(queryText: string, values?: any[] | any): Promise<any>;
-
-      task(func: Function): Promise<any>;
-      tx(func: Function): Promise<any>;
-    }
-
-    export interface PgPromise {
-      connect(callback?: (err: Error) => void): void;
-      end(): void;
-      (connectionString: string): PromiseClient;
-
-      as: convert;
-    }
-
-    export interface convert {
-
-      bool(value: any): boolean;
-      number(value: any): number;
-      text(value: any, raw: any): string;
-      name(value: any): string;
-      date(value: any, raw: any): string;
-      json(value: any, raw: any): string;
-      array(value: any): Array<any>;
-      csv(value: any): string;
-      func(func: Function, raw: any, obj: any): Function;
-      format(query: string, values: any): any;
-    }
-  }
-
-  export = e;
-}
+// deprecated. see https://github.com/vitaly-t/pg-promise/tree/master/typescript
+// NOTE https://github.com/DefinitelyTyped/DefinitelyTyped/issues/8956