diff --git a/composer.json b/composer.json
index b1e23eb..ade1f17 100644
--- a/composer.json
+++ b/composer.json
@@ -14,10 +14,7 @@
     ],
     "require": {
         "php": ">=5.5.0",
-        "nilportugues/serializer": "~1.0",
-        "nilportugues/api-transformer": "~1.0",
-        "psr/http-message": "~1.0",
-        "zendframework/zend-diactoros": "^1.1.0"
+        "nilportugues/api-transformer": "~1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "4.4.*",