diff --git a/notNeededPackages.json b/notNeededPackages.json
index 4e66976014..f3f09c0f7b 100644
--- a/notNeededPackages.json
+++ b/notNeededPackages.json
@@ -390,6 +390,12 @@
             "sourceRepoURL": "https://github.com/MikeMcl/decimal.js",
             "asOfVersion": "7.4.0"
         },
+        {
+            "libraryName": "delay",
+            "typingsPackageName": "delay",
+            "sourceRepoURL": "https://github.com/sindresorhus/delay",
+            "asOfVersion": "3.1.0"
+        },
         {
             "libraryName": "DevExtreme",
             "typingsPackageName": "devextreme",
diff --git a/types/delay/delay-tests.ts b/types/delay/delay-tests.ts
deleted file mode 100644
index 9714bfd86d..0000000000
--- a/types/delay/delay-tests.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import delay = require('delay');
-
-delay(200)
-    .then(() => {
-    });
-
-let str: string;
-let num: number;
-Promise.resolve(delay(100))
-    .then(() => {
-    });
-
-Promise.resolve("foo")
-    .then(delay<string>(100))
-    .then(result => {
-        str = result;
-    });
-
-Promise.resolve('foo')
-    .then(delay(100, 10))
-    .then(result => {
-        num = result;
-    });
-
-Promise.resolve('foo')
-    .then(delay.reject(100))
-    .then(x => 10)
-    .catch(err => {
-    });
-
-Promise.resolve('foo')
-    .then(delay.reject(100, 'bar'))
-    .then(x => 10)
-    .catch(err => {
-    });
-
-(async () => {
-    const delaying = delay(1000);
-    delaying.cancel();
-    try {
-        await delaying;
-    } catch (err) {
-        // `err` is an instance of `delay.CancelError`
-    }
-})();
-
-throw new delay.CancelError('bar');
diff --git a/types/delay/index.d.ts b/types/delay/index.d.ts
deleted file mode 100644
index 0ec894f1e1..0000000000
--- a/types/delay/index.d.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-// Type definitions for delay 2.0
-// Project: https://github.com/sindresorhus/delay#readme
-// Definitions by: BendingBender <https://github.com/BendingBender>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
-
-export = delay;
-
-declare function delay<T>(ms: number): delay.PDelayedPassThroughThunk<T>;
-declare function delay<T>(ms: number, value: T): delay.PDelayedThunk<T>;
-
-declare namespace delay {
-    function reject(ms: number, rejectionValue?: any): PDelayedThunk<never>;
-
-    class CancelError extends Error {
-        readonly name: 'CancelError';
-        constructor(message?: string);
-    }
-
-    type PDelayedThunk<T> = ((value: any) => DelayedPromiseLike<T>) & DelayedPromiseLike<T>;
-
-    type PDelayedPassThroughThunk<TValue> = ((value: TValue) => DelayedPromiseLike<TValue>) & DelayedPromiseLike<void>;
-
-    interface DelayedPromiseLike<T> {
-        then<TResult1 = T, TResult2 = never>(onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>) | null,
-                                             onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null): Promise<TResult1 | TResult2>;
-        catch<TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null): Promise<T | TResult>;
-        cancel(): void;
-    }
-}
diff --git a/types/delay/tsconfig.json b/types/delay/tsconfig.json
deleted file mode 100644
index cb0da53652..0000000000
--- a/types/delay/tsconfig.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-    "compilerOptions": {
-        "module": "commonjs",
-        "lib": [
-            "es6"
-        ],
-        "noImplicitAny": true,
-        "noImplicitThis": true,
-        "strictNullChecks": true,
-        "strictFunctionTypes": true,
-        "baseUrl": "../",
-        "typeRoots": [
-            "../"
-        ],
-        "types": [],
-        "noEmit": true,
-        "forceConsistentCasingInFileNames": true
-    },
-    "files": [
-        "index.d.ts",
-        "delay-tests.ts"
-    ]
-}
\ No newline at end of file
diff --git a/types/delay/tslint.json b/types/delay/tslint.json
deleted file mode 100644
index bf610ae17f..0000000000
--- a/types/delay/tslint.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "extends": "dtslint/dt.json",
-    "rules": {
-        // TODO
-        "await-promise": false,
-        "no-unnecessary-generics": false
-    }
-}