diff --git a/fpm/Dockerfile b/fpm/Dockerfile
index 25af614..a82c985 100644
--- a/fpm/Dockerfile
+++ b/fpm/Dockerfile
@@ -31,7 +31,6 @@ ENV APP_ENV=prod \
     SHOPWARE_HTTP_DEFAULT_TTL=7200 \
     SHOPWARE_CACHE_ID=docker \
     SHOPWARE_SKIP_WEBINSTALLER=1 \
-    COMPOSER_PLUGIN_LOADER=1 \
     COMPOSER_HOME=/tmp/composer \
     COMPOSER_ROOT_VERSION=1.0.0 \
     INSTALL_LOCALE=en-GB \