diff --git a/src/ContainerControllerInterface.php b/src/ContainerControllerInterface.php
index d09557a..ea56040 100644
--- a/src/ContainerControllerInterface.php
+++ b/src/ContainerControllerInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /**
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/src/ControllerInterface.php b/src/ControllerInterface.php
index 0a6a73c..f7c4bdb 100755
--- a/src/ControllerInterface.php
+++ b/src/ControllerInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /**
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/src/ShipControllerInterface.php b/src/ShipControllerInterface.php
index 28bd292..435f1c2 100644
--- a/src/ShipControllerInterface.php
+++ b/src/ShipControllerInterface.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /**
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this