diff --git a/src/core/operations/DisassembleX86.mjs b/src/core/operations/DisassembleX86.mjs
deleted file mode 100644
index bdaf348a..00000000
--- a/src/core/operations/DisassembleX86.mjs
+++ /dev/null
@@ -1,134 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2017
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-import * as disassemble from "../vendor/DisassembleX86-64.mjs";
-import OperationError from "../errors/OperationError.mjs";
-
-/**
- * Disassemble x86 operation
- */
-class DisassembleX86 extends Operation {
-
-    /**
-     * DisassembleX86 constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Disassemble x86";
-        this.module = "Shellcode";
-        this.description = "Disassembly is the process of translating machine language into assembly language.<br><br>This operation supports 64-bit, 32-bit and 16-bit code written for Intel or AMD x86 processors. It is particularly useful for reverse engineering shellcode.<br><br>Input should be in hexadecimal.";
-        this.infoURL = "https://wikipedia.org/wiki/X86";
-        this.inputType = "string";
-        this.outputType = "string";
-        this.args = [
-            {
-                "name": "Bit mode",
-                "type": "option",
-                "value": ["64", "32", "16"]
-            },
-            {
-                "name": "Compatibility",
-                "type": "option",
-                "value": [
-                    "Full x86 architecture",
-                    "Knights Corner",
-                    "Larrabee",
-                    "Cyrix",
-                    "Geode",
-                    "Centaur",
-                    "X86/486"
-                ]
-            },
-            {
-                "name": "Code Segment (CS)",
-                "type": "number",
-                "value": 16
-            },
-            {
-                "name": "Offset (IP)",
-                "type": "number",
-                "value": 0
-            },
-            {
-                "name": "Show instruction hex",
-                "type": "boolean",
-                "value": true
-            },
-            {
-                "name": "Show instruction position",
-                "type": "boolean",
-                "value": true
-            }
-        ];
-    }
-
-    /**
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {string}
-     *
-     * @throws {OperationError} if invalid mode value
-     */
-    run(input, args) {
-        const [
-            mode,
-            compatibility,
-            codeSegment,
-            offset,
-            showInstructionHex,
-            showInstructionPos
-        ] = args;
-
-        switch (mode) {
-            case "64":
-                disassemble.setBitMode(2);
-                break;
-            case "32":
-                disassemble.setBitMode(1);
-                break;
-            case "16":
-                disassemble.setBitMode(0);
-                break;
-            default:
-                throw new OperationError("Invalid mode value");
-        }
-
-        switch (compatibility) {
-            case "Full x86 architecture":
-                disassemble.CompatibilityMode(0);
-                break;
-            case "Knights Corner":
-                disassemble.CompatibilityMode(1);
-                break;
-            case "Larrabee":
-                disassemble.CompatibilityMode(2);
-                break;
-            case "Cyrix":
-                disassemble.CompatibilityMode(3);
-                break;
-            case "Geode":
-                disassemble.CompatibilityMode(4);
-                break;
-            case "Centaur":
-                disassemble.CompatibilityMode(5);
-                break;
-            case "X86/486":
-                disassemble.CompatibilityMode(6);
-                break;
-        }
-
-        disassemble.SetBasePosition(codeSegment + ":" + offset);
-        disassemble.setShowInstructionHex(showInstructionHex);
-        disassemble.setShowInstructionPos(showInstructionPos);
-        disassemble.LoadBinCode(input.replace(/\s/g, ""));
-        return disassemble.LDisassemble();
-    }
-
-}
-
-export default DisassembleX86;