diff --git a/composer.json b/composer.json
index 0a536f3..5bca5df 100644
--- a/composer.json
+++ b/composer.json
@@ -27,8 +27,7 @@
         "psr-4": {
             "Ibexa\\Bundle\\FieldTypeQuery\\": "src/bundle/",
             "Ibexa\\FieldTypeQuery\\": "src/lib/",
-            "Ibexa\\Contracts\\FieldTypeQuery\\": "src/contracts/",
-            "EzSystems\\EzPlatformQueryFieldType\\": "src/lib/"
+            "Ibexa\\Contracts\\FieldTypeQuery\\": "src/contracts/"
         }
     },
     "autoload-dev": {