diff --git a/src/core/operations/DetectFileType.mjs b/src/core/operations/DetectFileType.mjs
deleted file mode 100644
index c8cdb822..00000000
--- a/src/core/operations/DetectFileType.mjs
+++ /dev/null
@@ -1,81 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-import {detectFileType} from "../lib/FileType.mjs";
-import {FILE_SIGNATURES} from "../lib/FileSignatures.mjs";
-
-// Concat all supported extensions into a single flat list
-const exts = [].concat.apply([], Object.keys(FILE_SIGNATURES).map(cat =>
- [].concat.apply([], FILE_SIGNATURES[cat].map(sig =>
- sig.extension.split(",")
- ))
-)).unique().sort().join(", ");
-
-/**
- * Detect File Type operation
- */
-class DetectFileType extends Operation {
-
- /**
- * DetectFileType constructor
- */
- constructor() {
- super();
-
- this.name = "Detect File Type";
- this.module = "Default";
- this.description = "Attempts to guess the MIME (Multipurpose Internet Mail Extensions) type of the data based on 'magic bytes'.
Currently supports the following file types: " +
- exts + ".";
- this.infoURL = "https://wikipedia.org/wiki/List_of_file_signatures";
- this.inputType = "ArrayBuffer";
- this.outputType = "string";
- this.args = Object.keys(FILE_SIGNATURES).map(cat => {
- return {
- name: cat,
- type: "boolean",
- value: true
- };
- });
- }
-
- /**
- * @param {ArrayBuffer} input
- * @param {Object[]} args
- * @returns {string}
- */
- run(input, args) {
- const data = new Uint8Array(input),
- categories = [];
-
- args.forEach((cat, i) => {
- if (cat) categories.push(Object.keys(FILE_SIGNATURES)[i]);
- });
-
- const types = detectFileType(data, categories);
-
- if (!types.length) {
- return "Unknown file type. Have you tried checking the entropy of this data to determine whether it might be encrypted or compressed?";
- } else {
- const results = types.map(type => {
- let output = `File type: ${type.name}
-Extension: ${type.extension}
-MIME type: ${type.mime}\n`;
-
- if (type.description && type.description.length) {
- output += `Description: ${type.description}\n`;
- }
-
- return output;
- });
-
- return results.join("\n");
- }
- }
-
-}
-
-export default DetectFileType;