diff --git a/src/Language/AST/Node.php b/src/Language/AST/Node.php
index e0485af..06d89bc 100644
--- a/src/Language/AST/Node.php
+++ b/src/Language/AST/Node.php
@@ -38,61 +38,6 @@ abstract class Node
      */
     public $loc;
 
-    /**
-     * Converts representation of AST as associative array to Node instance.
-     *
-     * For example:
-     *
-     * ```php
-     * Node::fromArray([
-     *     'kind' => 'ListValue',
-     *     'values' => [
-     *         ['kind' => 'StringValue', 'value' => 'my str'],
-     *         ['kind' => 'StringValue', 'value' => 'my other str']
-     *     ],
-     *     'loc' => ['start' => 21, 'end' => 25]
-     * ]);
-     * ```
-     *
-     * Will produce instance of `ListValueNode` where `values` prop is a lazily-evaluated `NodeList`
-     * returning instances of `StringValueNode` on access.
-     *
-     * This is a reverse operation for $node->toArray(true)
-     *
-     * @param array $node
-     * @return Node
-     */
-    public static function fromArray(array $node)
-    {
-        if (!isset($node['kind']) || !isset(NodeKind::$classMap[$node['kind']])) {
-            throw new InvariantViolation("Unexpected node structure: " . Utils::printSafeJson($node));
-        }
-
-        $kind = isset($node['kind']) ? $node['kind'] : null;
-        $class = NodeKind::$classMap[$kind];
-        $instance = new $class([]);
-
-        if (isset($node['loc'], $node['loc']['start'], $node['loc']['end'])) {
-            $instance->loc = Location::create($node['loc']['start'], $node['loc']['end']);
-        }
-
-
-        foreach ($node as $key => $value) {
-            if ('loc' === $key || 'kind' === $key) {
-                continue ;
-            }
-            if (is_array($value)) {
-                if (isset($value[0]) || empty($value)) {
-                    $value = new NodeList($value);
-                } else {
-                    $value = self::fromArray($value);
-                }
-            }
-            $instance->{$key} = $value;
-        }
-        return $instance;
-    }
-
     /**
      * @param array $vars
      */
diff --git a/src/Language/AST/NodeList.php b/src/Language/AST/NodeList.php
index e470ec7..b0adb81 100644
--- a/src/Language/AST/NodeList.php
+++ b/src/Language/AST/NodeList.php
@@ -1,6 +1,8 @@
 <?php
 namespace GraphQL\Language\AST;
 
+use GraphQL\Utils\AST;
+
 /**
  * Class NodeList
  *
@@ -49,7 +51,7 @@ class NodeList implements \ArrayAccess, \IteratorAggregate, \Countable
         $item = $this->nodes[$offset];
 
         if (is_array($item) && isset($item['kind'])) {
-            $this->nodes[$offset] = $item = Node::fromArray($item);
+            $this->nodes[$offset] = $item = AST::fromArray($item);
         }
 
         return $item;
@@ -62,7 +64,7 @@ class NodeList implements \ArrayAccess, \IteratorAggregate, \Countable
     public function offsetSet($offset, $value)
     {
         if (is_array($value) && isset($value['kind'])) {
-            $value = Node::fromArray($value);
+            $value = AST::fromArray($value);
         }
         $this->nodes[$offset] = $value;
     }
diff --git a/src/Utils/AST.php b/src/Utils/AST.php
index 7bd3f7b..9276785 100644
--- a/src/Utils/AST.php
+++ b/src/Utils/AST.php
@@ -5,14 +5,16 @@ use GraphQL\Error\InvariantViolation;
 use GraphQL\Language\AST\BooleanValueNode;
 use GraphQL\Language\AST\DocumentNode;
 use GraphQL\Language\AST\EnumValueNode;
-use GraphQL\Language\AST\FieldNode;
 use GraphQL\Language\AST\FloatValueNode;
 use GraphQL\Language\AST\IntValueNode;
 use GraphQL\Language\AST\ListTypeNode;
 use GraphQL\Language\AST\ListValueNode;
+use GraphQL\Language\AST\Location;
 use GraphQL\Language\AST\NamedTypeNode;
 use GraphQL\Language\AST\NameNode;
 use GraphQL\Language\AST\Node;
+use GraphQL\Language\AST\NodeKind;
+use GraphQL\Language\AST\NodeList;
 use GraphQL\Language\AST\NonNullTypeNode;
 use GraphQL\Language\AST\NullValueNode;
 use GraphQL\Language\AST\ObjectFieldNode;
@@ -38,6 +40,72 @@ use GraphQL\Utils\Utils;
  */
 class AST
 {
+    /**
+     * Convert representation of AST as an associative array to instance of GraphQL\Language\AST\Node.
+     *
+     * For example:
+     *
+     * ```php
+     * Node::fromArray([
+     *     'kind' => 'ListValue',
+     *     'values' => [
+     *         ['kind' => 'StringValue', 'value' => 'my str'],
+     *         ['kind' => 'StringValue', 'value' => 'my other str']
+     *     ],
+     *     'loc' => ['start' => 21, 'end' => 25]
+     * ]);
+     * ```
+     *
+     * Will produce instance of `ListValueNode` where `values` prop is a lazily-evaluated `NodeList`
+     * returning instances of `StringValueNode` on access.
+     *
+     * This is a reverse operation for $node->toArray(true)
+     *
+     * @param array $node
+     * @return Node
+     */
+    public static function fromArray(array $node)
+    {
+        if (!isset($node['kind']) || !isset(NodeKind::$classMap[$node['kind']])) {
+            throw new InvariantViolation("Unexpected node structure: " . Utils::printSafeJson($node));
+        }
+
+        $kind = isset($node['kind']) ? $node['kind'] : null;
+        $class = NodeKind::$classMap[$kind];
+        $instance = new $class([]);
+
+        if (isset($node['loc'], $node['loc']['start'], $node['loc']['end'])) {
+            $instance->loc = Location::create($node['loc']['start'], $node['loc']['end']);
+        }
+
+
+        foreach ($node as $key => $value) {
+            if ('loc' === $key || 'kind' === $key) {
+                continue ;
+            }
+            if (is_array($value)) {
+                if (isset($value[0]) || empty($value)) {
+                    $value = new NodeList($value);
+                } else {
+                    $value = self::fromArray($value);
+                }
+            }
+            $instance->{$key} = $value;
+        }
+        return $instance;
+    }
+
+    /**
+     * Convert AST node to serializable array
+     *
+     * @param Node $node
+     * @return array
+     */
+    public static function toArray(Node $node)
+    {
+        return $node->toArray(true);
+    }
+
     /**
      * Produces a GraphQL Value AST given a PHP value.
      *
diff --git a/tests/Language/SerializationTest.php b/tests/Language/SerializationTest.php
index 122423b..29299f7 100644
--- a/tests/Language/SerializationTest.php
+++ b/tests/Language/SerializationTest.php
@@ -5,6 +5,7 @@ use GraphQL\Language\AST\Location;
 use GraphQL\Language\AST\Node;
 use GraphQL\Language\AST\NodeList;
 use GraphQL\Language\Parser;
+use GraphQL\Utils\AST;
 
 class SerializationTest extends \PHPUnit_Framework_TestCase
 {
@@ -20,7 +21,7 @@ class SerializationTest extends \PHPUnit_Framework_TestCase
     {
         $kitchenSink = file_get_contents(__DIR__ . '/kitchen-sink.graphql');
         $serializedAst = json_decode(file_get_contents(__DIR__ . '/kitchen-sink.ast'), true);
-        $actualAst = Node::fromArray($serializedAst);
+        $actualAst = AST::fromArray($serializedAst);
         $parsedAst = Parser::parse($kitchenSink);
         $this->assertNodesAreEqual($parsedAst, $actualAst);
     }