diff --git a/composer.json b/composer.json
index d0038c62..75aa6414 100644
--- a/composer.json
+++ b/composer.json
@@ -50,7 +50,10 @@
         "doctrine/mongodb-odm": "If you want to use Document as source, please require doctrine/mongodb-odm"
     },
     "autoload": {
-        "psr-4": { "APY\\DataGridBundle\\": "" }
+        "psr-4": { "APY\\DataGridBundle\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
     },
     "extra": {
         "branch-alias": {