diff --git a/notNeededPackages.json b/notNeededPackages.json
index 889ca7e415..f2968d7d0f 100644
--- a/notNeededPackages.json
+++ b/notNeededPackages.json
@@ -3348,6 +3348,12 @@
             "sourceRepoURL": "https://servicestack.net/",
             "asOfVersion": "0.1.5"
         },
+        {
+            "libraryName": "@storybook/addon-a11y",
+            "typingsPackageName": "storybook__addon-a11y",
+            "sourceRepoURL": "https://github.com/storybooks/storybook",
+            "asOfVersion": "5.1.1"
+        },
         {
             "libraryName": "@storybook/addon-notes",
             "typingsPackageName": "storybook__addon-notes",
diff --git a/types/storybook__addon-a11y/index.d.ts b/types/storybook__addon-a11y/index.d.ts
deleted file mode 100644
index fa82d44867..0000000000
--- a/types/storybook__addon-a11y/index.d.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-// Type definitions for @storybook/addon-a11y 5.0
-// Project: https://github.com/storybooks/storybook
-// Definitions by: HyunSeob <https://github.com/hyunseob>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.8
-
-import { StoryDecorator } from '@storybook/react';
-
-export const checkA11y: StoryDecorator; // Deprecated
-export const withA11y: StoryDecorator;
diff --git a/types/storybook__addon-a11y/storybook__addon-a11y-tests.tsx b/types/storybook__addon-a11y/storybook__addon-a11y-tests.tsx
deleted file mode 100644
index 4e60455618..0000000000
--- a/types/storybook__addon-a11y/storybook__addon-a11y-tests.tsx
+++ /dev/null
@@ -1,11 +0,0 @@
-import * as React from 'react';
-import { storiesOf } from '@storybook/react';
-import { checkA11y } from '@storybook/addon-a11y';
-
-storiesOf('button', module)
-  .addDecorator(checkA11y)
-  .add('Accessible', () => (
-    <button>
-      Accessible button
-    </button>
-  ));
diff --git a/types/storybook__addon-a11y/tsconfig.json b/types/storybook__addon-a11y/tsconfig.json
deleted file mode 100644
index c37bd5436c..0000000000
--- a/types/storybook__addon-a11y/tsconfig.json
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-    "compilerOptions": {
-        "module": "commonjs",
-        "lib": [
-            "es6"
-        ],
-        "noImplicitAny": true,
-        "noImplicitThis": true,
-        "strictNullChecks": true,
-        "strictFunctionTypes": true,
-        "baseUrl": "../",
-        "jsx": "react",
-        "typeRoots": [
-            "../"
-        ],
-        "paths": {
-            "@storybook/addon-a11y": [
-                "storybook__addon-a11y"
-            ],
-            "@storybook/react": [
-                "storybook__react"
-            ]
-        },
-        "types": [],
-        "noEmit": true,
-        "forceConsistentCasingInFileNames": true
-    },
-    "files": [
-        "index.d.ts",
-        "storybook__addon-a11y-tests.tsx"
-    ]
-}
\ No newline at end of file
diff --git a/types/storybook__addon-a11y/tslint.json b/types/storybook__addon-a11y/tslint.json
deleted file mode 100644
index 3db14f85ea..0000000000
--- a/types/storybook__addon-a11y/tslint.json
+++ /dev/null
@@ -1 +0,0 @@
-{ "extends": "dtslint/dt.json" }