diff --git a/Makefile b/Makefile
index 5cfc0c2..6c9dd92 100644
--- a/Makefile
+++ b/Makefile
@@ -10,12 +10,10 @@ PROD_MT_CFLAGS := $(PROD_CFLAGS) $(MT_FLAGS)
 
 clean:
 	rm -rf ./packages/core$(PKG_SUFFIX)/dist
-	rm -rf ./packages/core$(PKG_SUFFIX)/types
 
 .PHONY: build
 build:
 	make clean PKG_SUFFIX="$(PKG_SUFFIX)"
-	cp -r src/types/ffmpeg-core packages/core$(PKG_SUFFIX)/types
 	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
 	EXTRA_LDFLAGS="$(EXTRA_LDFLAGS)" \
 	FFMPEG_ST="$(FFMPEG_ST)" \
diff --git a/packages/core-mt/package.json b/packages/core-mt/package.json
index f97ab61..b003f3a 100644
--- a/packages/core-mt/package.json
+++ b/packages/core-mt/package.json
@@ -3,20 +3,14 @@
   "version": "0.11.5",
   "description": "FFmpeg WebAssembly version",
   "main": "./dist/umd/ffmpeg-core.js",
-  "types": "./types/ffmpeg-core.d.ts",
   "exports": {
     ".": {
-      "types": "./types/ffmpeg-core.d.ts",
       "import": "./dist/esm/ffmpeg-core.js",
       "require": "./dist/umd/ffmpeg-core.js"
     }
   },
-  "scripts": {
-    "lint": "eslint types"
-  },
   "files": [
-    "dist",
-    "types/ffmpeg-core.d.ts"
+    "dist"
   ],
   "repository": {
     "type": "git",
@@ -40,11 +34,5 @@
   "homepage": "https://github.com/ffmpegwasm/ffmpeg.wasm#readme",
   "publishConfig": {
     "access": "public"
-  },
-  "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^5.37.0",
-    "@typescript-eslint/parser": "^5.37.0",
-    "eslint": "^8.23.1",
-    "typescript": "^4.8.3"
   }
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index 75e9fa2..9ac74b9 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -3,20 +3,14 @@
   "version": "0.11.5",
   "description": "FFmpeg WebAssembly version",
   "main": "./dist/umd/ffmpeg-core.js",
-  "types": "./types/ffmpeg-core.d.ts",
   "exports": {
     ".": {
-      "types": "./types/ffmpeg-core.d.ts",
       "import": "./dist/esm/ffmpeg-core.js",
       "require": "./dist/umd/ffmpeg-core.js"
     }
   },
-  "scripts": {
-    "lint": "eslint types"
-  },
   "files": [
-    "dist",
-    "types/ffmpeg-core.d.ts"
+    "dist"
   ],
   "repository": {
     "type": "git",
@@ -40,11 +34,5 @@
   "homepage": "https://github.com/ffmpegwasm/ffmpeg.wasm#readme",
   "publishConfig": {
     "access": "public"
-  },
-  "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^5.37.0",
-    "@typescript-eslint/parser": "^5.37.0",
-    "eslint": "^8.23.1",
-    "typescript": "^4.8.3"
   }
 }
diff --git a/packages/ffmpeg-mt/.gitignore b/packages/ffmpeg-mt/.gitignore
deleted file mode 100644
index 6bc1442..0000000
--- a/packages/ffmpeg-mt/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-dist/
-types/
diff --git a/packages/ffmpeg-mt/package.json b/packages/ffmpeg-mt/package.json
deleted file mode 100644
index 033451e..0000000
--- a/packages/ffmpeg-mt/package.json
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  "name": "@ffmpeg/ffmpeg-mt",
-  "version": "0.11.5",
-  "description": "FFmpeg WebAssembly version w/ multi-thread",
-  "main": "./dist/umd/ffmpeg.js",
-  "types": "./types/ffmpeg.d.ts",
-  "exports": {
-    ".": {
-      "types": "./types/ffmpeg.d.ts",
-      "import": "./dist/esm/ffmpeg.js",
-      "require": "./dist/umd/ffmpeg.js"
-    }
-  },
-  "scripts": {
-    "lint": "eslint types"
-  },
-  "files": [
-    "dist",
-    "types/ffmpeg.d.ts"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/ffmpegwasm/ffmpeg.wasm.git"
-  },
-  "keywords": [
-    "ffmpeg",
-    "WebAssembly",
-    "video",
-    "audio",
-    "transcode"
-  ],
-  "author": "Jerome Wu <jeromewus@gmail.com>",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/ffmpegwasm/ffmpeg.wasm/issues"
-  },
-  "engines": {
-    "node": ">=16.6.0"
-  },
-  "homepage": "https://github.com/ffmpegwasm/ffmpeg.wasm#readme",
-  "publishConfig": {
-    "access": "public"
-  },
-  "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^5.37.0",
-    "@typescript-eslint/parser": "^5.37.0",
-    "eslint": "^8.23.1",
-    "typescript": "^4.8.3"
-  }
-}
diff --git a/packages/ffprobe-mt/.gitignore b/packages/ffprobe-mt/.gitignore
deleted file mode 100644
index 6bc1442..0000000
--- a/packages/ffprobe-mt/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-dist/
-types/
diff --git a/src/types/ffmpeg-core/.eslintrc.cjs b/src/types/ffmpeg-core/.eslintrc.cjs
deleted file mode 100644
index e663e67..0000000
--- a/src/types/ffmpeg-core/.eslintrc.cjs
+++ /dev/null
@@ -1,13 +0,0 @@
-module.exports = {
-  extends: [
-    "eslint:recommended",
-    "plugin:@typescript-eslint/recommended",
-    "plugin:@typescript-eslint/recommended-requiring-type-checking",
-  ],
-  parser: "@typescript-eslint/parser",
-  parserOptions: {
-    tsconfigRootDir: __dirname,
-    project: ["../../../tsconfig.json"],
-  },
-  plugins: ["@typescript-eslint"],
-};
diff --git a/src/types/ffmpeg-core/ffmpeg-core.d.ts b/src/types/ffmpeg-core/ffmpeg-core.d.ts
deleted file mode 100644
index 1bcd9bb..0000000
--- a/src/types/ffmpeg-core/ffmpeg-core.d.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-type Pointer = number;
-type StringPointer = Pointer;
-type StringArrayPointer = Pointer;
-
-export interface FS {
-  mkdir: (fileName: string) => void;
-  readFile: (fileName: string) => Uint8Array;
-  readdir: (pathName: string) => string[];
-  unlink: (fileName: string) => void;
-  writeFile: (fileName: string, binaryData: Uint8Array | string) => void;
-}
-
-export interface Log {
-  type: string;
-  message: string;
-}
-
-export interface FFmpegModule {
-  DEFAULT_ARGS: string[];
-  FS: FS;
-  NULL: Pointer;
-  SIZE_I32: number;
-
-  ret: number;
-  timeout: number;
-
-  exec: (...args: string[]) => number;
-  reset: () => void;
-  setLogger: (logger: (log: Log) => void) => void;
-  setTimeout: (timeout: number) => void;
-  setProgress: (handler: (progress: number) => void) => void;
-}
-
-declare function createFFmpeg(): Promise<FFmpegModule>;
-export default createFFmpeg;