From ea333aa134ad36e104e2cb45c79093df4df67b6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=B6ller?= <am@localheinz.com>
Date: Mon, 28 Jan 2019 16:46:58 +0100
Subject: [PATCH] Fix: Remove empty node

---
 src/Composer/Config/JsonConfigSource.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Composer/Config/JsonConfigSource.php b/src/Composer/Config/JsonConfigSource.php
index 128ebf8ec..15d40d200 100644
--- a/src/Composer/Config/JsonConfigSource.php
+++ b/src/Composer/Config/JsonConfigSource.php
@@ -193,6 +193,10 @@ class JsonConfigSource implements ConfigSourceInterface
     {
         $this->manipulateJson('removeSubNode', $type, $name, function (&$config, $type, $name) {
             unset($config[$type][$name]);
+
+            if (0 === count($config[$type])) {
+                unset($config[$type]);
+            }
         });
     }