diff --git a/src/core/operations/AffineCipherEncode.mjs b/src/core/operations/AffineCipherEncode.mjs
deleted file mode 100644
index a9462ae8..00000000
--- a/src/core/operations/AffineCipherEncode.mjs
+++ /dev/null
@@ -1,78 +0,0 @@
-/**
- * @author Matt C [matt@artemisbot.uk]
- * @copyright Crown Copyright 2018
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-import { affineEncode } from "../lib/Ciphers.mjs";
-
-/**
- * Affine Cipher Encode operation
- */
-class AffineCipherEncode extends Operation {
-
-    /**
-     * AffineCipherEncode constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Affine Cipher Encode";
-        this.module = "Ciphers";
-        this.description = "The Affine cipher is a type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using simple mathematical function, <code>(ax + b) % 26</code>, and converted back to a letter.";
-        this.infoURL = "https://wikipedia.org/wiki/Affine_cipher";
-        this.inputType = "string";
-        this.outputType = "string";
-        this.args = [
-            {
-                "name": "a",
-                "type": "number",
-                "value": 1
-            },
-            {
-                "name": "b",
-                "type": "number",
-                "value": 0
-            }
-        ];
-    }
-
-    /**
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {string}
-     */
-    run(input, args) {
-        return affineEncode(input, args);
-    }
-
-    /**
-     * Highlight Affine Cipher Encode
-     *
-     * @param {Object[]} pos
-     * @param {number} pos[].start
-     * @param {number} pos[].end
-     * @param {Object[]} args
-     * @returns {Object[]} pos
-     */
-    highlight(pos, args) {
-        return pos;
-    }
-
-    /**
-     * Highlight Affine Cipher Encode in reverse
-     *
-     * @param {Object[]} pos
-     * @param {number} pos[].start
-     * @param {number} pos[].end
-     * @param {Object[]} args
-     * @returns {Object[]} pos
-     */
-    highlightReverse(pos, args) {
-        return pos;
-    }
-
-}
-
-export default AffineCipherEncode;