diff --git a/src/core/operations/CSSMinify.mjs b/src/core/operations/CSSMinify.mjs
deleted file mode 100644
index 3aa96bb1..00000000
--- a/src/core/operations/CSSMinify.mjs
+++ /dev/null
@@ -1,47 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import vkbeautify from "vkbeautify";
-import Operation from "../Operation.mjs";
-
-/**
- * CSS Minify operation
- */
-class CSSMinify extends Operation {
-
-    /**
-     * CSSMinify constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "CSS Minify";
-        this.module = "Code";
-        this.description = "Compresses Cascading Style Sheets (CSS) code.";
-        this.inputType = "string";
-        this.outputType = "string";
-        this.args = [
-            {
-                "name": "Preserve comments",
-                "type": "boolean",
-                "value": false
-            }
-        ];
-    }
-
-    /**
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {string}
-     */
-    run(input, args) {
-        const preserveComments = args[0];
-        return vkbeautify.cssmin(input, preserveComments);
-    }
-
-}
-
-export default CSSMinify;