diff --git a/Models/Position.php b/Models/Position.php
index be6d181..86c892c 100644
--- a/Models/Position.php
+++ b/Models/Position.php
@@ -264,18 +264,6 @@ class Position implements ArrayableInterface, \JsonSerializable
         ];
     }
 
-    /**
-     * Get string representation.
-     *
-     * @return string
-     *
-     * @since  1.0.0
-     */
-    public function __toString()
-    {
-        return (string) \json_encode($this->toArray());
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/Models/Unit.php b/Models/Unit.php
index f593f44..b9722a2 100644
--- a/Models/Unit.php
+++ b/Models/Unit.php
@@ -229,18 +229,6 @@ class Unit implements ArrayableInterface, \JsonSerializable
         ];
     }
 
-    /**
-     * Get string representation.
-     *
-     * @return string
-     *
-     * @since  1.0.0
-     */
-    public function __toString()
-    {
-        return (string) \json_encode($this->toArray());
-    }
-
     /**
      * {@inheritdoc}
      */