diff --git a/npm-debug.log b/npm-debug.log
diff --git a/src/bin/gendiff.js b/src/bin/gendiff.js
@@ -7,8 +7,7 @@ program
   .description('Compares two configuration files and shows a difference.')
   .arguments('<first_config> <second_config>')
   .action(function (firstConfig, secondConfig) {
-    const diff = differ.getDiff(firstConfig, secondConfig);
-    console.log(differ.toString(diff));
+    console.log(differ(firstConfig, secondConfig));
   })
   .option('-f, --format [type]', 'Output format')
   .parse(process.argv);
diff --git a/src/differ.js b/src/differ.js
@@ -70,7 +70,7 @@ const mainDiffer = (obj1, obj2) => {
     diff[key] = compareValues(obj1[key], obj2[key]);
   });
 
-  return diff;
+  return toString(diff);
 };
 
 export const jsonDiffer = (config1, config2) => {

diff --git a/src/index.js b/src/index.js
@@ -1,7 +1,7 @@
 import fs from 'fs';
-import { jsonDiffer, yamlDiffer, iniDiffer, toString } from './differ';
+import { jsonDiffer, yamlDiffer, iniDiffer } from './differ';
 
-const confDiffer = (config1, config2) => {
+export default (config1, config2) => {
   const type = config1.split('.')[1];
   const obj1 = fs.readFileSync(`${config1}`, 'utf-8');
   const obj2 = fs.readFileSync(`${config2}`, 'utf-8');
@@ -13,8 +13,3 @@ const confDiffer = (config1, config2) => {
     default: return undefined;
   }
 };
-
-export default {
-  getDiff: confDiffer,
-  toString,
-};