diff --git a/libsquoosh/src/missing-types.d.ts b/libsquoosh/src/missing-types.d.ts
deleted file mode 100644
index 09d35510..00000000
--- a/libsquoosh/src/missing-types.d.ts
+++ /dev/null
@@ -1,178 +0,0 @@
-/**
- * Copyright 2020 Google Inc. All Rights Reserved.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *     http://www.apache.org/licenses/LICENSE-2.0
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/// <reference path="../../missing-types.d.ts" />
-
-// These don't exist in NodeJS types so we're not able to use them but they are referenced in some emscripten and codec types
-// Thus, we need to explicitly assign them to be `never`
-// We're also not able to use the APIs that use these types
-// So, if we want to use those APIs we need to supply its dependencies ourselves
-// However, probably those APIs are more suited to be used in web (i.e. there can be other
-// dependencies to web APIs that might not work in Node)
-type RequestInfo = never;
-type Response = never;
-type WebGLRenderingContext = never;
-type MessageEvent = never;
-
-type BufferSource = ArrayBufferView | ArrayBuffer;
-type URL = import('url').URL;
-
-/*
- * Matches the implementation in `image_data.ts` which is exposed to globalThis
- */
-interface ImageData {
-  /**
-   * Returns the one-dimensional array containing the data in RGBA order, as integers in the range 0 to 255.
-   */
-  readonly data: Uint8ClampedArray;
-  /**
-   * Returns the actual dimensions of the data in the ImageData object, in pixels.
-   */
-  readonly height: number;
-  /**
-   * Returns the actual dimensions of the data in the ImageData object, in pixels.
-   */
-  readonly width: number;
-}
-
-/**
- * WebAssembly definitions are not available in `@types/node` yet,
- * so these are copied from `lib.dom.d.ts`
- */
-declare namespace WebAssembly {
-  interface CompileError {}
-
-  var CompileError: {
-    prototype: CompileError;
-    new (): CompileError;
-  };
-
-  interface Global {
-    value: any;
-    valueOf(): any;
-  }
-
-  var Global: {
-    prototype: Global;
-    new (descriptor: GlobalDescriptor, v?: any): Global;
-  };
-
-  interface Instance {
-    readonly exports: Exports;
-  }
-
-  var Instance: {
-    prototype: Instance;
-    new (module: Module, importObject?: Imports): Instance;
-  };
-
-  interface LinkError {}
-
-  var LinkError: {
-    prototype: LinkError;
-    new (): LinkError;
-  };
-
-  interface Memory {
-    readonly buffer: ArrayBuffer;
-    grow(delta: number): number;
-  }
-
-  var Memory: {
-    prototype: Memory;
-    new (descriptor: MemoryDescriptor): Memory;
-  };
-
-  interface Module {}
-
-  var Module: {
-    prototype: Module;
-    new (bytes: BufferSource): Module;
-    customSections(moduleObject: Module, sectionName: string): ArrayBuffer[];
-    exports(moduleObject: Module): ModuleExportDescriptor[];
-    imports(moduleObject: Module): ModuleImportDescriptor[];
-  };
-
-  interface RuntimeError {}
-
-  var RuntimeError: {
-    prototype: RuntimeError;
-    new (): RuntimeError;
-  };
-
-  interface Table {
-    readonly length: number;
-    get(index: number): Function | null;
-    grow(delta: number): number;
-    set(index: number, value: Function | null): void;
-  }
-
-  var Table: {
-    prototype: Table;
-    new (descriptor: TableDescriptor): Table;
-  };
-
-  interface GlobalDescriptor {
-    mutable?: boolean;
-    value: ValueType;
-  }
-
-  interface MemoryDescriptor {
-    initial: number;
-    maximum?: number;
-  }
-
-  interface ModuleExportDescriptor {
-    kind: ImportExportKind;
-    name: string;
-  }
-
-  interface ModuleImportDescriptor {
-    kind: ImportExportKind;
-    module: string;
-    name: string;
-  }
-
-  interface TableDescriptor {
-    element: TableKind;
-    initial: number;
-    maximum?: number;
-  }
-
-  interface WebAssemblyInstantiatedSource {
-    instance: Instance;
-    module: Module;
-  }
-
-  type ImportExportKind = 'function' | 'global' | 'memory' | 'table';
-  type TableKind = 'anyfunc';
-  type ValueType = 'f32' | 'f64' | 'i32' | 'i64';
-  type ExportValue = Function | Global | Memory | Table;
-  type Exports = Record<string, ExportValue>;
-  type ImportValue = ExportValue | number;
-  type ModuleImports = Record<string, ImportValue>;
-  type Imports = Record<string, ModuleImports>;
-  function compile(bytes: BufferSource): Promise<Module>;
-  // `compileStreaming` does not exist in NodeJS
-  // function compileStreaming(source: Response | Promise<Response>): Promise<Module>;
-  function instantiate(
-    bytes: BufferSource,
-    importObject?: Imports,
-  ): Promise<WebAssemblyInstantiatedSource>;
-  function instantiate(
-    moduleObject: Module,
-    importObject?: Imports,
-  ): Promise<Instance>;
-  // `instantiateStreaming` does not exist in NodeJS
-  // function instantiateStreaming(response: Response | PromiseLike<Response>, importObject?: Imports): Promise<WebAssemblyInstantiatedSource>;
-  function validate(bytes: BufferSource): boolean;
-}