diff --git a/app/code/community/Aoe/TemplateHints/Test/Model/Observer.php b/app/code/community/Aoe/TemplateHints/Test/Model/Observer.php
index c6fa017..0936400 100755
--- a/app/code/community/Aoe/TemplateHints/Test/Model/Observer.php
+++ b/app/code/community/Aoe/TemplateHints/Test/Model/Observer.php
@@ -8,7 +8,7 @@ class Aoe_TemplateHints_Test_Model_Observer extends EcomDev_PHPUnit_Test_Case
      */
     protected $observer;
 
-    public function setUp() {
+    public function setUp() : void {
         $this->observer = Mage::getModel('aoe_templatehints/observer');
     }
 
diff --git a/app/code/community/Aoe/TemplateHints/Test/Model/Renderer/Opentip.php b/app/code/community/Aoe/TemplateHints/Test/Model/Renderer/Opentip.php
index c4fce11..b0bd4fb 100755
--- a/app/code/community/Aoe/TemplateHints/Test/Model/Renderer/Opentip.php
+++ b/app/code/community/Aoe/TemplateHints/Test/Model/Renderer/Opentip.php
@@ -24,7 +24,7 @@ protected function enableHints() {
         $this->replaceByMock('singleton', 'core/cookie', $cookie);
     }
 
-    public function setUp() {
+    public function setUp() : void {
         $this->setConfigValue('default/dev/aoe_templatehints/templateHintRenderer', 'aoe_templatehints/renderer_opentip');
         $this->enableHints();
     }