diff --git a/.prettierignore b/.prettierignore
index 3c3629e..0e796c3 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1 +1,3 @@
 node_modules
+dist
+build
\ No newline at end of file
diff --git a/dist/index.d.ts b/dist/index.d.ts
deleted file mode 100644
index e608b37..0000000
--- a/dist/index.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export { default as power } from "./sample";
-export { default as sqrt } from "./sample2";
diff --git a/dist/index.js b/dist/index.js
deleted file mode 100644
index 1e35e9b..0000000
--- a/dist/index.js
+++ /dev/null
@@ -1,10 +0,0 @@
-"use strict";
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.sqrt = exports.power = void 0;
-var sample_1 = require("./sample");
-Object.defineProperty(exports, "power", { enumerable: true, get: function () { return __importDefault(sample_1).default; } });
-var sample2_1 = require("./sample2");
-Object.defineProperty(exports, "sqrt", { enumerable: true, get: function () { return __importDefault(sample2_1).default; } });
diff --git a/dist/sample.d.ts b/dist/sample.d.ts
deleted file mode 100644
index 963341c..0000000
--- a/dist/sample.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-declare const power: (n?: number | undefined) => number | undefined;
-export default power;
diff --git a/dist/sample.js b/dist/sample.js
deleted file mode 100644
index b42ee12..0000000
--- a/dist/sample.js
+++ /dev/null
@@ -1,12 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var power = function (n) {
-    if (typeof n === "undefined" || n === null) {
-        return undefined;
-    }
-    if (typeof n !== "number") {
-        return undefined;
-    }
-    return Math.pow(n, 2);
-};
-exports.default = power;
diff --git a/dist/sample2.d.ts b/dist/sample2.d.ts
deleted file mode 100644
index 89893ee..0000000
--- a/dist/sample2.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-declare const sqrt: (n: number) => number | undefined;
-export default sqrt;
diff --git a/dist/sample2.js b/dist/sample2.js
deleted file mode 100644
index 8e40986..0000000
--- a/dist/sample2.js
+++ /dev/null
@@ -1,12 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var sqrt = function (n) {
-    if (typeof n === "undefined" || n === null) {
-        return undefined;
-    }
-    if (typeof n !== "number") {
-        return undefined;
-    }
-    return Math.sqrt(n);
-};
-exports.default = sqrt;