diff --git a/index.js b/index.js
index 57fa368..eb39bdf 100644
--- a/index.js
+++ b/index.js
@@ -9,27 +9,10 @@
 
 const fs = require('fs');
 const path = require('path');
-const util = require('util');
 const ini = require('ini');
 const configPath = require('git-config-path');
 const expand = require('expand-tilde');
 
-/**
- * Wraps an arbitrary function in a Promise.
- *
- * @param {Function} `func` The function to be wrapped.
- */
-
-function promisify(func) {
-  return function (...args) {
-    return new Promise((resolve, reject) => {
-      func(...args, (err, res) => {
-        err ? reject(err) : resolve(res);
-      });
-    });
-  }
-}
-
 const read = promisify(fs.readFile);
 const stat = promisify(fs.stat);
 
@@ -211,6 +194,22 @@ function injectInclude(input, cwd) {
   return res.join('\n');
 }
 
+/**
+ * Wraps an arbitrary function in a Promise.
+ *
+ * @param {Function} `fn` The function to be wrapped.
+ */
+
+function promisify(fn) {
+  return (...args) => {
+    return new Promise((resolve, reject) => {
+      fn(...args, (err, res) => {
+        err ? reject(err) : resolve(res);
+      });
+    });
+  };
+}
+
 /**
  * Expose `parse`
  */
diff --git a/test/test.js b/test/test.js
index afa074f..9ea2986 100644
--- a/test/test.js
+++ b/test/test.js
@@ -2,7 +2,6 @@
 
 require('mocha');
 const isTravis = process.env.TRAVIS || process.env.CLI;
-const fs = require('fs');
 const os = require('os');
 const assert = require('assert');
 const path = require('path');
@@ -12,10 +11,6 @@ const parse = require('..');
 const cwd = (...args) => path.resolve(__dirname, ...args);
 const fixture = name => cwd('fixtures', name);
 
-function read(filepath) {
-  return fs.readFileSync(path.join(__dirname, filepath), 'utf8');
-}
-
 describe('parse-git-config', function() {
   describe('async', function() {
     it('should return a promise when callback is not passed', function(cb) {
@@ -48,7 +43,7 @@ describe('parse-git-config', function() {
     it('should not expand dots in keys in config', function(cb) {
       parse({ path: fixture('_gitconfig-branch'), expandKeys: true })
         .then(config => {
-          assert.deepEqual(Object.keys(config.branch), ['devel', 'master', '2.0'])
+          assert.deepEqual(Object.keys(config.branch), ['devel', 'master', '2.0']);
           cb();
         })
         .catch(cb);