diff --git a/admin/check.php b/admin/check.php
index 9cdfa5bc4c29baf4a222bad336ab22520426f064..0f8acea35c1b39acb2a318836f7eb0c8c360107b 100644
--- a/admin/check.php
+++ b/admin/check.php
@@ -25,7 +25,7 @@ define('ROOT_DIR', __DIR__ . '/../');
 /**
  * Checking for missing vendors.
  */
-if (!file_exists(ROOT_DIR . 'vendor/autoload.php') || !file_exists(ROOT_DIR . 'vendor/o80/i18n/src/shortcuts.php')) {
+if (!file_exists(ROOT_DIR . 'vendor/autoload.php')) {
     die ("ERROR: You should use <code>composer install</code> to fetch dependant libraries.");
 }
 
@@ -33,7 +33,6 @@ if (!file_exists(ROOT_DIR . 'vendor/autoload.php') || !file_exists(ROOT_DIR . 'v
  * Stripped ini sequence
  */
 require_once ROOT_DIR . 'vendor/autoload.php';
-require_once ROOT_DIR . 'vendor/o80/i18n/src/shortcuts.php';
 require_once ROOT_DIR . 'app/inc/constants.php';
 if (session_id() === '') {
     session_start();
diff --git a/app/inc/init.php b/app/inc/init.php
index 47a7bd739c7556599679afcf4731aab4d5bf7901..cb3694bfbb8f0de98c3ca224098600e024f76dcc 100644
--- a/app/inc/init.php
+++ b/app/inc/init.php
@@ -25,7 +25,6 @@ use Framadate\Services\LogService;
 
 // Autoloading of dependencies with Composer
 require_once __DIR__ . '/../../vendor/autoload.php';
-require_once __DIR__ . '/../../vendor/o80/i18n/src/shortcuts.php';
 
 if (session_id() === '') {
     session_start();
diff --git a/composer.json b/composer.json
index 8405dc79ac80fb6e2a9044acd0ef6a107eb9b0f6..e29ca9c36c72100f6c524c32479a93e7d7eaa766 100644
--- a/composer.json
+++ b/composer.json
@@ -57,7 +57,6 @@
         "php": ">=5.6.0",
         "ext-pdo": "*",
         "smarty/smarty": "^3.1",
-        "o80/i18n": "dev-develop",
         "phpmailer/phpmailer": "~6.0",
         "ircmaxell/password-compat": "dev-master",
         "roave/security-advisories": "dev-master",
diff --git a/composer.lock b/composer.lock
index fd91a7bf723afe3cc8b2a5fa85c63fb91fb1f08c..cc2f2bd7d0d70f1ad25bb5d946fbdd38e26d4c52 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "e66be74bb56015e4d3bb7b83fd8fc044",
+    "content-hash": "9726759acaf25655763b7bc70206e571",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -695,52 +695,6 @@
             ],
             "time": "2017-03-20T21:17:32+00:00"
         },
-        {
-            "name": "o80/i18n",
-            "version": "dev-develop",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/olivierperez/o80-i18n.git",
-                "reference": "8f3fbc7c965559802ed4eda602528a24d641ea15"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/olivierperez/o80-i18n/zipball/8f3fbc7c965559802ed4eda602528a24d641ea15",
-                "reference": "8f3fbc7c965559802ed4eda602528a24d641ea15",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^4.5"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "o80\\": "src/o80"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "Apache License 2.0"
-            ],
-            "authors": [
-                {
-                    "name": "Olivier Perez",
-                    "email": "olivier@olivierperez.fr",
-                    "homepage": "http://github.com/olivierperez"
-                }
-            ],
-            "description": "Easy library to manage i18n with PHP.",
-            "homepage": "https://github.com/olivierperez/o80-i18n",
-            "keywords": [
-                "i18n",
-                "internationalization",
-                "php"
-            ],
-            "time": "2015-09-21T21:18:45+00:00"
-        },
         {
             "name": "ocramius/proxy-manager",
             "version": "1.0.2",
@@ -3648,7 +3602,6 @@
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": {
-        "o80/i18n": 20,
         "ircmaxell/password-compat": 20,
         "roave/security-advisories": 20
     },