diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d24b075..bc8b26b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,19 +24,14 @@ test:backend:
     script:
         - export TEMP_DEV_IMAGE="${CONTAINER_IMAGE}:ci-${CI_BUILD_ID}"
         - docker build --pull -f Dockerfile-dev -t $TEMP_DEV_IMAGE .
-        # https://github.com/FriendsOfPHP/PHP-CS-Fixer#using-php-cs-fixer-on-ci
-        - COMMIT_RANGE="${CI_COMMIT_BEFORE_SHA}...${CI_COMMIT_SHA}"
-        - CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRTUXB "${COMMIT_RANGE}")
-        - |
-            if ! echo "${CHANGED_FILES}" | grep -qE "^(\\.php_cs(\\.dist)?|composer\\.lock)$"; then
-                EXTRA_ARGS=$(printf -- '--path-mode=intersection\n--\n%s' "${CHANGED_FILES}")
-            else
-                EXTRA_ARGS=''
-            fi
         - >
             docker run --rm
             $TEMP_DEV_IMAGE
-            vendor/bin/php-cs-fixer fix -v --dry-run --stop-on-violation --using-cache=no ${EXTRA_ARGS}
+            bash -c "
+            rm /usr/local/etc/php/conf.d/xdebug.ini &&
+            cp -r /var/www/vendor /var/www/html/vendor &&
+            vendor/bin/php-cs-fixer fix -v --dry-run
+            "
         - >
             docker run --rm
             --add-host=mariadb:`getent hosts mariadb | awk '{ print $1 ; exit }'`