diff --git a/.travis.yml b/.travis.yml
index f10bcf3..469dc22 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,8 +16,8 @@ matrix:
     - php: 7.1
       env: CS_FIXER=1
     - php: 7.2
+    - php: 7.3
       env: BENCHMARK=1
-    - php: hhvm
   fast_finish: true
 
 cache:
diff --git a/README.md b/README.md
index ef24737..546d3e2 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ HTML5 provides the following features.
 - Event-based (SAX-like) parser
 - A DOM tree builder
 - Interoperability with [QueryPath](https://github.com/technosophos/querypath)
-- Runs on **PHP** 5.3.0 or newer and **HHVM** 3.2 or newer
+- Runs on **PHP** 5.3.0 or newer
 
 [![Build Status](https://travis-ci.org/Masterminds/html5-php.png?branch=master)](https://travis-ci.org/Masterminds/html5-php)
 [![Latest Stable Version](https://poser.pugx.org/masterminds/html5/v/stable.png)](https://packagist.org/packages/masterminds/html5)
diff --git a/src/HTML5/Parser/DOMTreeBuilder.php b/src/HTML5/Parser/DOMTreeBuilder.php
index f01cf4d..9894625 100644
--- a/src/HTML5/Parser/DOMTreeBuilder.php
+++ b/src/HTML5/Parser/DOMTreeBuilder.php
@@ -391,11 +391,6 @@ public function startTag($name, $attributes = array(), $selfClosing = false)
             // to avoid spl_object_hash collisions whe have to avoid garbage collection of $ele storing it into $pushes
             // see https://bugs.php.net/bug.php?id=67459
             $this->pushes[spl_object_hash($ele)] = array($pushes, $ele);
-
-            // SEE https://github.com/facebook/hhvm/issues/2962
-            if (defined('HHVM_VERSION')) {
-                $ele->setAttribute('html5-php-fake-id-attribute', spl_object_hash($ele));
-            }
         }
 
         foreach ($attributes as $aName => $aVal) {
@@ -509,12 +504,7 @@ public function endTag($name)
             $lname = Elements::normalizeSvgElement($lname);
         }
 
-        // See https://github.com/facebook/hhvm/issues/2962
-        if (defined('HHVM_VERSION') && ($cid = $this->current->getAttribute('html5-php-fake-id-attribute'))) {
-            $this->current->removeAttribute('html5-php-fake-id-attribute');
-        } else {
-            $cid = spl_object_hash($this->current);
-        }
+        $cid = spl_object_hash($this->current);
 
         // XXX: HTML has no parent. What do we do, though,
         // if this element appears in the wrong place?
diff --git a/src/HTML5/Serializer/OutputRules.php b/src/HTML5/Serializer/OutputRules.php
index 41616d5..1c4e892 100644
--- a/src/HTML5/Serializer/OutputRules.php
+++ b/src/HTML5/Serializer/OutputRules.php
@@ -167,9 +167,7 @@ public function __construct($output, $options = array())
 
         $this->outputMode = static::IM_IN_HTML;
         $this->out = $output;
-
-        // If HHVM, see https://github.com/facebook/hhvm/issues/2727
-        $this->hasHTML5 = defined('ENT_HTML5') && !defined('HHVM_VERSION');
+        $this->hasHTML5 = defined('ENT_HTML5');
     }
 
     public function addRule(array $rule)