diff --git a/notNeededPackages.json b/notNeededPackages.json
index 6d8eafa46a..7b791ed359 100644
--- a/notNeededPackages.json
+++ b/notNeededPackages.json
@@ -2106,6 +2106,12 @@
             "sourceRepoURL": "https://github.com/sindresorhus/mem",
             "asOfVersion": "4.2.0"
         },
+        {
+            "libraryName": "memoize-one",
+            "typingsPackageName": "memoize-one",
+            "sourceRepoURL": "https://github.com/alexreardon/memoize-one#readme",
+            "asOfVersion": "5.1.0"
+        },
         {
             "libraryName": "mendixmodelsdk",
             "typingsPackageName": "mendixmodelsdk",
diff --git a/types/memoize-one/index.d.ts b/types/memoize-one/index.d.ts
deleted file mode 100644
index c4675fabcd..0000000000
--- a/types/memoize-one/index.d.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-// Type definitions for memoize-one 4.1
-// Project: https://github.com/alexreardon/memoize-one#readme
-// Definitions by: Karol Majewski <https://github.com/karol-majewski>, Frank Li <https://github.com/franklixuefei>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-
-declare function memoizeOne<T extends (...args: any[]) => any>(resultFn: T, isEqual?: memoizeOne.EqualityFn): T;
-declare namespace memoizeOne {
-    type EqualityFn = (a: any, b: any, index: number) => boolean;
-}
-
-export = memoizeOne;
diff --git a/types/memoize-one/memoize-one-tests.ts b/types/memoize-one/memoize-one-tests.ts
deleted file mode 100644
index 3479fa0599..0000000000
--- a/types/memoize-one/memoize-one-tests.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import memoizeOne = require('memoize-one');
-
-declare function add(a: number, b: number): number ;
-declare function lousyEqualityFn(a: any, b: any): boolean;
-declare function strictEqualityFn<T>(a: T, b: T): boolean;
-declare function equalityFnWithIndex<T>(a: T, b: T, index: number): boolean;
-
-/**
- * Accepts a second argument.
- */
-memoizeOne(add); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, lousyEqualityFn); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, strictEqualityFn); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, equalityFnWithIndex); // $ExpectType (a: number, b: number) => number
-
-/**
- * The second argument can be, but doesn't have to be strictly typed.
- */
-memoizeOne(add, (a, b) => a === b); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, (a: string, b: string) => a === b); // $ExpectType (a: number, b: number) => number
-
-/**
- * Function passed as the second argument accepts no more than three arguments.
- */
-memoizeOne(add, (a: number, b: number, c: number, d: number) => Boolean(a &&  b && c && d)); // $ExpectError
-
-/**
- * Function passed as the second argument returns a boolean.
- */
-memoizeOne(add, (a: string, b: string) => 0); // $ExpectError
-
-/**
- * The `EqualityFn` type is publicly accessible.
- */
-const simpleIsEqual: memoizeOne.EqualityFn = (x: number, y: number): boolean => (x === y);
diff --git a/types/memoize-one/tsconfig.json b/types/memoize-one/tsconfig.json
deleted file mode 100644
index af1c249358..0000000000
--- a/types/memoize-one/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",
-        "memoize-one-tests.ts"
-    ]
-}
diff --git a/types/memoize-one/tslint.json b/types/memoize-one/tslint.json
deleted file mode 100644
index 3db14f85ea..0000000000
--- a/types/memoize-one/tslint.json
+++ /dev/null
@@ -1 +0,0 @@
-{ "extends": "dtslint/dt.json" }
diff --git a/types/memoize-one/v3/index.d.ts b/types/memoize-one/v3/index.d.ts
deleted file mode 100644
index 71f785e73c..0000000000
--- a/types/memoize-one/v3/index.d.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-// Type definitions for memoize-one 3.1
-// Project: https://github.com/alexreardon/memoize-one#readme
-// Definitions by: Karol Majewski <https://github.com/karol-majewski>, Frank Li <https://github.com/franklixuefei>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-
-declare function memoizeOne<T extends (...args: any[]) => any>(resultFn: T, isEqual?: EqualityFn): T;
-export type EqualityFn = (a: any, b: any) => boolean;
-
-export default memoizeOne;
diff --git a/types/memoize-one/v3/memoize-one-tests.ts b/types/memoize-one/v3/memoize-one-tests.ts
deleted file mode 100644
index f163add16e..0000000000
--- a/types/memoize-one/v3/memoize-one-tests.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-import memoizeOne, { EqualityFn } from 'memoize-one';
-
-declare function add(a: number, b: number): number ;
-declare function lousyEqualityFn(a: any, b: any): boolean;
-declare function strictEqualityFn<T>(a: T, b: T): boolean;
-
-/**
- * Accepts a second argument.
- */
-memoizeOne(add); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, lousyEqualityFn); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, strictEqualityFn); // $ExpectType (a: number, b: number) => number
-
-/**
- * The second argument can be, but doesn't have to be strictly typed.
- */
-memoizeOne(add, (a, b) => a === b); // $ExpectType (a: number, b: number) => number
-memoizeOne(add, (a: string, b: string) => a === b); // $ExpectType (a: number, b: number) => number
-
-/**
- * Function passed as the second argument accepts exactly two arguments.
- */
-memoizeOne(add, (a: number, b: number, c: number) => a === b || c); // $ExpectError
-
-/**
- * Function passed as the second argument returns a boolean.
- */
-memoizeOne(add, (a: string, b: string) => 0); // $ExpectError
-
-/**
- * The `EqualityFn` type is publicly accessible.
- */
-const simpleIsEqual: EqualityFn = (x: number, y: number): boolean => (x === y);
diff --git a/types/memoize-one/v3/tsconfig.json b/types/memoize-one/v3/tsconfig.json
deleted file mode 100644
index 728bd3ee58..0000000000
--- a/types/memoize-one/v3/tsconfig.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-    "compilerOptions": {
-        "module": "commonjs",
-        "lib": [
-            "es6"
-        ],
-        "noImplicitAny": true,
-        "noImplicitThis": true,
-        "strictNullChecks": true,
-        "strictFunctionTypes": true,
-        "baseUrl": "../../",
-        "typeRoots": [
-            "../../"
-        ],
-        "types": [],
-        "paths": {
-            "memoize-one": [ "memoize-one/v3" ]
-        },
-        "noEmit": true,
-        "forceConsistentCasingInFileNames": true
-    },
-    "files": [
-        "index.d.ts",
-        "memoize-one-tests.ts"
-    ]
-}
diff --git a/types/memoize-one/v3/tslint.json b/types/memoize-one/v3/tslint.json
deleted file mode 100644
index 3db14f85ea..0000000000
--- a/types/memoize-one/v3/tslint.json
+++ /dev/null
@@ -1 +0,0 @@
-{ "extends": "dtslint/dt.json" }