diff --git a/src/core/operations/BitShiftLeft.mjs b/src/core/operations/BitShiftLeft.mjs
deleted file mode 100644
index cd9f4568..00000000
--- a/src/core/operations/BitShiftLeft.mjs
+++ /dev/null
@@ -1,77 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-
-/**
- * Bit shift left operation
- */
-class BitShiftLeft extends Operation {
-
-    /**
-     * BitShiftLeft constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Bit shift left";
-        this.module = "Default";
-        this.description = "Shifts the bits in each byte towards the left by the specified amount.";
-        this.infoURL = "https://wikipedia.org/wiki/Bitwise_operation#Bit_shifts";
-        this.inputType = "ArrayBuffer";
-        this.outputType = "ArrayBuffer";
-        this.args = [
-            {
-                "name": "Amount",
-                "type": "number",
-                "value": 1
-            }
-        ];
-    }
-
-    /**
-     * @param {ArrayBuffer} input
-     * @param {Object[]} args
-     * @returns {ArrayBuffer}
-     */
-    run(input, args) {
-        const amount = args[0];
-        input = new Uint8Array(input);
-
-        return input.map(b => {
-            return (b << amount) & 0xff;
-        }).buffer;
-    }
-
-    /**
-     * Highlight Bit shift left
-     *
-     * @param {Object[]} pos
-     * @param {number} pos[].start
-     * @param {number} pos[].end
-     * @param {Object[]} args
-     * @returns {Object[]} pos
-     */
-    highlight(pos, args) {
-        return pos;
-    }
-
-    /**
-     * Highlight Bit shift left 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 BitShiftLeft;