diff --git a/composer.json b/composer.json
index 8a2a994..0a838af 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     ],
     "require": {
         "php": ">=5.3",
-        "clue/socks-react": "^1.4",
+        "clue/socks-react": "^1.5",
         "react/child-process": "^0.6",
         "react/event-loop": "^1.2",
         "react/promise": "^3 || ^2.1 || ^1.2.1",
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index b8cf10d..e1ce165 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -17,4 +17,7 @@
             <directory>./src/</directory>
         </include>
     </coverage>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
 </phpunit>
diff --git a/phpunit.xml.legacy b/phpunit.xml.legacy
index 756167d..0cdf7cc 100644
--- a/phpunit.xml.legacy
+++ b/phpunit.xml.legacy
@@ -15,4 +15,7 @@
             <directory>./src/</directory>
         </whitelist>
     </filter>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
 </phpunit>
diff --git a/src/Io/CompositeConnection.php b/src/Io/CompositeConnection.php
index adb728a..e16815b 100644
--- a/src/Io/CompositeConnection.php
+++ b/src/Io/CompositeConnection.php
@@ -73,7 +73,6 @@ public function close()
             return;
         }
 
-        $this->remote = null;
         $this->closed = true;
         $this->read->close();
         $this->write->close();