diff --git a/core/Tracker/IgnoreCookie.php b/core/Tracker/IgnoreCookie.php
index 4e28a3161d2c042f4a345b4765ca1024cc67da31..83c62d00a353463dd8aa3d1c49701fca2f4a8b9d 100644
--- a/core/Tracker/IgnoreCookie.php
+++ b/core/Tracker/IgnoreCookie.php
@@ -22,7 +22,7 @@ class IgnoreCookie
      *
      * @return Cookie
      */
-    public static function getTrackingCookie()
+    private static function getTrackingCookie()
     {
         $cookie_name = @Config::getInstance()->Tracker['cookie_name'];
         $cookie_path = @Config::getInstance()->Tracker['cookie_path'];
@@ -30,6 +30,14 @@ class IgnoreCookie
         return new Cookie($cookie_name, null, $cookie_path);
     }
 
+    public static function deleteThirdPartyCookieUIDIfExists()
+    {
+        $trackingCookie = self::getTrackingCookie();
+        if ($trackingCookie->isCookieFound()) {
+            $trackingCookie->delete();
+        }
+    }
+
     /**
      * Get ignore (visit) cookie
      *
@@ -54,10 +62,9 @@ class IgnoreCookie
         } else {
             $ignoreCookie->set('ignore', '*');
             $ignoreCookie->save();
-
-            $trackingCookie = self::getTrackingCookie();
-            $trackingCookie->delete();
         }
+
+        self::deleteThirdPartyCookieUIDIfExists();
     }
 
     /**
diff --git a/core/Tracker/Request.php b/core/Tracker/Request.php
index b6f316304652830a49b280e196ba5c0e361376c9..dd594b997488a47dd91c1be66302729aaca66604 100644
--- a/core/Tracker/Request.php
+++ b/core/Tracker/Request.php
@@ -614,13 +614,13 @@ class Request
 
         Common::printDebug("We manage the cookie...");
 
-        $cookie = $this->makeThirdPartyCookie();
+        $cookie = $this->makeThirdPartyCookieUID();
         // idcookie has been generated in handleNewVisit or we simply propagate the old value
         $cookie->set(0, bin2hex($idVisitor));
         $cookie->save();
     }
 
-    protected function makeThirdPartyCookie()
+    protected function makeThirdPartyCookieUID()
     {
         $cookie = new Cookie(
             $this->getCookieName(),
@@ -684,7 +684,7 @@ class Request
             // - By default, reads the first party cookie ID
             $useThirdPartyCookie = $this->shouldUseThirdPartyCookie();
             if ($useThirdPartyCookie) {
-                $cookie = $this->makeThirdPartyCookie();
+                $cookie = $this->makeThirdPartyCookieUID();
                 $idVisitor = $cookie->get(0);
                 if ($idVisitor !== false
                     && strlen($idVisitor) == Tracker::LENGTH_HEX_ID_STRING
diff --git a/plugins/PrivacyManager/DoNotTrackHeaderChecker.php b/plugins/PrivacyManager/DoNotTrackHeaderChecker.php
index 108ec45748d41f6e65a84ba337b8b69708fa03d8..c8c6f9df9b7c44b6582bf3609bd3ff142b15dfb1 100644
--- a/plugins/PrivacyManager/DoNotTrackHeaderChecker.php
+++ b/plugins/PrivacyManager/DoNotTrackHeaderChecker.php
@@ -44,8 +44,7 @@ class DoNotTrackHeaderChecker
 
         if($exclude) {
 
-            $trackingCookie = IgnoreCookie::getTrackingCookie();
-            $trackingCookie->delete();
+            IgnoreCookie::deleteThirdPartyCookieUIDIfExists();
 
             // this is an optional supplement to the site's tracking status resource at:
             //     /.well-known/dnt
diff --git a/tests/PHPUnit/Unit/Tracker/RequestTest.php b/tests/PHPUnit/Unit/Tracker/RequestTest.php
index 7eb38059a26b394a7357837d889b83b2fc6407e8..e3964369ffbfc76a930df0ec3ff87d5f9f8f2f1e 100644
--- a/tests/PHPUnit/Unit/Tracker/RequestTest.php
+++ b/tests/PHPUnit/Unit/Tracker/RequestTest.php
@@ -451,14 +451,14 @@ class RequestTest extends UnitTestCase
 
     public function test_makeThirdPartyCookie_ShouldReturnAnInstanceOfCookie()
     {
-        $cookie = $this->request->makeThirdPartyCookie();
+        $cookie = $this->request->makeThirdPartyCookieUID();
 
         $this->assertTrue($cookie instanceof Cookie);
     }
 
     public function test_makeThirdPartyCookie_ShouldPreconfigureTheCookieInstance()
     {
-        $cookie = $this->request->makeThirdPartyCookie();
+        $cookie = $this->request->makeThirdPartyCookieUID();
 
         $this->assertCookieContains('COOKIE _pk_uid', $cookie);
         $this->assertCookieContains('expire: 1450750817', $cookie);
@@ -595,9 +595,9 @@ class TestRequest extends Request
         return parent::getCookiePath();
     }
 
-    public function makeThirdPartyCookie()
+    public function makeThirdPartyCookieUID()
     {
-        return parent::makeThirdPartyCookie();
+        return parent::makeThirdPartyCookieUID();
     }
 
     public function setIsAuthenticated()