diff --git a/composer.json b/composer.json
index 86f6d1e6a..0b574dbc6 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,6 @@
     "symfony/console": "~3.4.47",
     "symfony/dotenv": "~3.4.47",
     "symfony/framework-bundle": "~3.4.47",
-    "symfony/polyfill-php70": "1.*",
     "symfony/twig-bundle": "~3.4.47",
     "symfony/yaml": "~3.4.47",
     "twig/twig": "~1.42.5"