diff --git a/composer.json b/composer.json
index 24056377..1617e492 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,6 @@
   },
   "require-dev": {
     "phpunit/phpunit": "3.7.*",
-    "phpro/grumphp": "^0.9.1",
     "squizlabs/php_codesniffer": "^2.6"
   },
   "autoload": {
diff --git a/grumphp.yml b/grumphp.yml
deleted file mode 100644
index f241b97c..00000000
--- a/grumphp.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-parameters:
-    git_dir: .
-    bin_dir: vendor/bin
-    tasks:
-      phpcs:
-        standard: 'PSR2'
-        show_warnings: false
-        tab_width: ~
-        ignore_patterns: ['vendor/*']
-        sniffs: []
-        triggered_by: [php]