diff --git a/lib/index.d.ts b/lib/index.d.ts
deleted file mode 100644
index ac22d31..0000000
--- a/lib/index.d.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export declare function generateCtrlC(): boolean;
-export declare function generateCtrlCAsync(): Promise<boolean>;
-export declare function generateCtrlBreak(dwProcessGroupId?: number): boolean;
-export declare function generateCtrlBreakAsync(dwProcessGroupId?: number): Promise<boolean>;
diff --git a/package.json b/package.json
index a2a7664..9a19520 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,6 @@
     "generate-ctrl-c-event.ps1"
   ],
   "main": "lib/index.js",
-  "typings": "lib/index.d.ts",
   "dependencies": {},
   "optionalDependencies": {
     "ffi-napi": "^3.0.1"
@@ -43,8 +42,7 @@
     "@semantic-release/git": "^9.0.0",
     "eslint": "^7.22.0",
     "eslint-config-zenflow": "^3.0.0",
-    "semantic-release": "^17.4.2",
-    "typescript": "^4.2.3"
+    "semantic-release": "^17.4.2"
   },
   "scripts": {
     "lint": "eslint .",
diff --git a/yarn.lock b/yarn.lock
index 67bd2f0..1e8c9e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5468,11 +5468,6 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.2.3:
-  version "4.2.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.3.tgz#39062d8019912d43726298f09493d598048c1ce3"
-  integrity sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==
-
 uglify-js@^3.1.4:
   version "3.13.2"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.13.2.tgz#fe10319861bccc8682bfe2e8151fbdd8aa921c44"