diff --git a/src/Symfony/Component/DomCrawler/Crawler.php b/src/Symfony/Component/DomCrawler/Crawler.php
index 0e4277914d..ece2e9847a 100644
--- a/src/Symfony/Component/DomCrawler/Crawler.php
+++ b/src/Symfony/Component/DomCrawler/Crawler.php
@@ -1036,6 +1036,8 @@ class Crawler extends \SplObjectStorage
 
             // BC for Symfony 2.4 and lower were elements were adding in a fake _root parent
             if (0 === strpos($expression, '/_root/')) {
+                @trigger_error('XPath expressions referencing the fake root node are deprecated since version 2.8 and will be unsupported in 3.0. Please use "./" instead of "/_root/".', E_USER_DEPRECATED);
+
                 $expression = './'.substr($expression, 7);
             } elseif (0 === strpos($expression, 'self::*/')) {
                 $expression = './'.substr($expression, 8);
@@ -1182,20 +1184,20 @@ class Crawler extends \SplObjectStorage
 
     private function triggerDeprecation($methodName, $useTrace = false)
     {
-        $traces = array();
-        $caller = array();
-
         if ($useTrace || defined('HHVM_VERSION')) {
-            $traces = debug_backtrace();
-            $caller = $traces[2];
+            if (PHP_VERSION_ID >= 50400) {
+                $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
+            } else {
+                $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+            }
+
+            // The SplObjectStorage class performs calls to its own methods. These
+            // method calls must not lead to triggered deprecation notices.
+            if (isset($trace[2]['class']) && 'SplObjectStorage' === $trace[2]['class']) {
+                return;
+            }
         }
 
-        // The SplObjectStorage class performs calls to its own methods. These
-        // method calls must not lead to triggered deprecation notices.
-        if (isset($caller['class']) && 'SplObjectStorage' === $caller['class']) {
-            return;
-        }
-
-        @trigger_error('The '.$methodName.' method is deprecated as of 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
+        @trigger_error('The '.$methodName.' method is deprecated since version 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
     }
 }
diff --git a/src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php b/src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php
index d02faf0fd6..de8e217aee 100755
--- a/src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php
+++ b/src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php
@@ -446,7 +446,6 @@ EOF
 
         $this->assertCount(0, $crawler->filterXPath('/input'));
         $this->assertCount(0, $crawler->filterXPath('/body'));
-        $this->assertCount(1, $crawler->filterXPath('/_root/body'));
         $this->assertCount(1, $crawler->filterXPath('./body'));
         $this->assertCount(1, $crawler->filterXPath('.//body'));
         $this->assertCount(5, $crawler->filterXPath('.//input'));
@@ -538,11 +537,20 @@ EOF
     {
         $crawler = $this->createTestCrawler();
         $this->assertCount(0, $crawler->filterXPath('.'), '->filterXPath() returns an empty result if the XPath references the fake root node');
-        $this->assertCount(0, $crawler->filterXPath('/_root'), '->filterXPath() returns an empty result if the XPath references the fake root node');
         $this->assertCount(0, $crawler->filterXPath('self::*'), '->filterXPath() returns an empty result if the XPath references the fake root node');
         $this->assertCount(0, $crawler->filterXPath('self::_root'), '->filterXPath() returns an empty result if the XPath references the fake root node');
     }
 
+    /** @group legacy */
+    public function testLegacyFilterXPathWithFakeRoot()
+    {
+        $crawler = $this->createTestCrawler();
+        $this->assertCount(0, $crawler->filterXPath('/_root'), '->filterXPath() returns an empty result if the XPath references the fake root node');
+
+        $crawler = $this->createTestCrawler()->filterXPath('//body');
+        $this->assertCount(1, $crawler->filterXPath('/_root/body'));
+    }
+
     public function testFilterXPathWithAncestorAxis()
     {
         $crawler = $this->createTestCrawler()->filterXPath('//form');