diff --git a/Tests/Recurly/SubscriptionAddOn_Test.php b/Tests/Recurly/SubscriptionAddOn_Test.php
new file mode 100644
index 00000000..e4a47368
--- /dev/null
+++ b/Tests/Recurly/SubscriptionAddOn_Test.php
@@ -0,0 +1,10 @@
+<?php
+
+class Recurly_SubscriptionAddOn_Test extends Recurly_TestCase
+{
+    public function testToString() {
+        $addon = new \Recurly_SubscriptionAddOn();
+
+        $this->assertSame('<Recurly_SubscriptionAddOn >', $addon->__toString());
+    }
+}
diff --git a/lib/recurly/subscription_addon.php b/lib/recurly/subscription_addon.php
index 7c0aff01..cb00198e 100644
--- a/lib/recurly/subscription_addon.php
+++ b/lib/recurly/subscription_addon.php
@@ -49,13 +49,4 @@ protected function getChangedAttributes($nested = false) {
     );
     return array_diff_key($this->_values, $immutable);
   }
-
-  /**
-   * Pretty string version of the object
-   */
-  public function __toString() {
-    $class = get_class($this);
-    $values = $this->__valuesString();
-    return "<$class $values>";
-  }
 }