diff --git a/src/core/operations/ConvertArea.mjs b/src/core/operations/ConvertArea.mjs
deleted file mode 100644
index 4cce31b1..00000000
--- a/src/core/operations/ConvertArea.mjs
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-
-/**
- * Convert area operation
- */
-class ConvertArea extends Operation {
-
-    /**
-     * ConvertArea constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Convert area";
-        this.module = "Default";
-        this.description = "Converts a unit of area to another format.";
-        this.infoURL = "https://wikipedia.org/wiki/Orders_of_magnitude_(area)";
-        this.inputType = "BigNumber";
-        this.outputType = "BigNumber";
-        this.args = [
-            {
-                "name": "Input units",
-                "type": "option",
-                "value": AREA_UNITS
-            },
-            {
-                "name": "Output units",
-                "type": "option",
-                "value": AREA_UNITS
-            }
-        ];
-    }
-
-    /**
-     * @param {BigNumber} input
-     * @param {Object[]} args
-     * @returns {BigNumber}
-     */
-    run(input, args) {
-        const [inputUnits, outputUnits] = args;
-
-        input = input.times(AREA_FACTOR[inputUnits]);
-        return input.div(AREA_FACTOR[outputUnits]);
-    }
-
-}
-
-
-const AREA_UNITS = [
-    "[Metric]", "Square metre (sq m)", "Square kilometre (sq km)", "Centiare (ca)", "Deciare (da)", "Are (a)", "Decare (daa)", "Hectare (ha)", "[/Metric]",
-    "[Imperial]", "Square inch (sq in)", "Square foot (sq ft)", "Square yard (sq yd)", "Square mile (sq mi)", "Perch (sq per)", "Rood (ro)", "International acre (ac)", "[/Imperial]",
-    "[US customary units]", "US survey acre (ac)", "US survey square mile (sq mi)", "US survey township", "[/US customary units]",
-    "[Nuclear physics]", "Yoctobarn (yb)", "Zeptobarn (zb)", "Attobarn (ab)", "Femtobarn (fb)", "Picobarn (pb)", "Nanobarn (nb)", "Microbarn (μb)", "Millibarn (mb)", "Barn (b)", "Kilobarn (kb)", "Megabarn (Mb)", "Outhouse", "Shed", "Planck area", "[/Nuclear physics]",
-    "[Comparisons]", "Washington D.C.", "Isle of Wight", "Wales", "Texas", "[/Comparisons]",
-];
-
-const AREA_FACTOR = { // Multiples of a square metre
-    // Metric
-    "Square metre (sq m)":      1,
-    "Square kilometre (sq km)": 1e6,
-
-    "Centiare (ca)":            1,
-    "Deciare (da)":             10,
-    "Are (a)":                  100,
-    "Decare (daa)":             1e3,
-    "Hectare (ha)":             1e4,
-
-    // Imperial
-    "Square inch (sq in)":      0.00064516,
-    "Square foot (sq ft)":      0.09290304,
-    "Square yard (sq yd)":      0.83612736,
-    "Square mile (sq mi)":      2589988.110336,
-    "Perch (sq per)":           42.21,
-    "Rood (ro)":                1011,
-    "International acre (ac)":  4046.8564224,
-
-    // US customary units
-    "US survey acre (ac)":      4046.87261,
-    "US survey square mile (sq mi)": 2589998.470305239,
-    "US survey township":       93239944.9309886,
-
-    // Nuclear physics
-    "Yoctobarn (yb)":           1e-52,
-    "Zeptobarn (zb)":           1e-49,
-    "Attobarn (ab)":            1e-46,
-    "Femtobarn (fb)":           1e-43,
-    "Picobarn (pb)":            1e-40,
-    "Nanobarn (nb)":            1e-37,
-    "Microbarn (μb)":           1e-34,
-    "Millibarn (mb)":           1e-31,
-    "Barn (b)":                 1e-28,
-    "Kilobarn (kb)":            1e-25,
-    "Megabarn (Mb)":            1e-22,
-
-    "Planck area":              2.6e-70,
-    "Shed":                     1e-52,
-    "Outhouse":                 1e-34,
-
-    // Comparisons
-    "Washington D.C.":          176119191.502848,
-    "Isle of Wight":            380000000,
-    "Wales":                    20779000000,
-    "Texas":                    696241000000,
-};
-
-
-export default ConvertArea;