diff --git a/src/core/operations/EscapeUnicodeCharacters.mjs b/src/core/operations/EscapeUnicodeCharacters.mjs
deleted file mode 100644
index ad5ef3ea..00000000
--- a/src/core/operations/EscapeUnicodeCharacters.mjs
+++ /dev/null
@@ -1,96 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-
-/**
- * Escape Unicode Characters operation
- */
-class EscapeUnicodeCharacters extends Operation {
-
-    /**
-     * EscapeUnicodeCharacters constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Escape Unicode Characters";
-        this.module = "Default";
-        this.description = "Converts characters to their unicode-escaped notations.<br><br>Supports the prefixes:<ul><li><code>\\u</code></li><li><code>%u</code></li><li><code>U+</code></li></ul>e.g. <code>σου</code> becomes <code>\\u03C3\\u03BF\\u03C5</code>";
-        this.inputType = "string";
-        this.outputType = "string";
-        this.args = [
-            {
-                "name": "Prefix",
-                "type": "option",
-                "value": ["\\u", "%u", "U+"]
-            },
-            {
-                "name": "Encode all chars",
-                "type": "boolean",
-                "value": false
-            },
-            {
-                "name": "Padding",
-                "type": "number",
-                "value": 4
-            },
-            {
-                "name": "Uppercase hex",
-                "type": "boolean",
-                "value": true
-            }
-        ];
-        this.patterns = [
-            {
-                match: "\\\\u(?:[\\da-f]{4,6})",
-                flags: "i",
-                args: ["\\u"]
-            },
-            {
-                match: "%u(?:[\\da-f]{4,6})",
-                flags: "i",
-                args: ["%u"]
-            },
-            {
-                match: "U\\+(?:[\\da-f]{4,6})",
-                flags: "i",
-                args: ["U+"]
-            },
-        ];
-    }
-
-    /**
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {string}
-     */
-    run(input, args) {
-        const regexWhitelist = /[ -~]/i,
-            [prefix, encodeAll, padding, uppercaseHex] = args;
-
-        let output = "",
-            character = "";
-
-        for (let i = 0; i < input.length; i++) {
-            character = input[i];
-            if (!encodeAll && regexWhitelist.test(character)) {
-                // It’s a printable ASCII character so don’t escape it.
-                output += character;
-                continue;
-            }
-
-            let cp = character.codePointAt(0).toString(16);
-            if (uppercaseHex) cp = cp.toUpperCase();
-            output += prefix + cp.padStart(padding, "0");
-        }
-
-        return output;
-    }
-
-}
-
-export default EscapeUnicodeCharacters;