diff --git a/src/core/operations/CountOccurrences.mjs b/src/core/operations/CountOccurrences.mjs
deleted file mode 100644
index 36ee33a8..00000000
--- a/src/core/operations/CountOccurrences.mjs
+++ /dev/null
@@ -1,65 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-import Utils from "../Utils.mjs";
-
-/**
- * Count occurrences operation
- */
-class CountOccurrences extends Operation {
-
-    /**
-     * CountOccurrences constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Count occurrences";
-        this.module = "Default";
-        this.description = "Counts the number of times the provided string occurs in the input.";
-        this.inputType = "string";
-        this.outputType = "number";
-        this.args = [
-            {
-                "name": "Search string",
-                "type": "toggleString",
-                "value": "",
-                "toggleValues": ["Regex", "Extended (\\n, \\t, \\x...)", "Simple string"]
-            }
-        ];
-    }
-
-    /**
-     * @param {string} input
-     * @param {Object[]} args
-     * @returns {number}
-     */
-    run(input, args) {
-        let search = args[0].string;
-        const type = args[0].option;
-
-        if (type === "Regex" && search) {
-            try {
-                const regex = new RegExp(search, "gi"),
-                    matches = input.match(regex);
-                return matches.length;
-            } catch (err) {
-                return 0;
-            }
-        } else if (search) {
-            if (type.indexOf("Extended") === 0) {
-                search = Utils.parseEscapedChars(search);
-            }
-            return input.count(search);
-        } else {
-            return 0;
-        }
-    }
-
-}
-
-export default CountOccurrences;