diff --git a/README.md b/README.md
index dc526b3..238402d 100644
--- a/README.md
+++ b/README.md
@@ -48,16 +48,6 @@ $xml = $collection->toSoapXml('Request', 'xmlBody', 'https://yourwebserver/servi
 
 **Please note:** the SoapFactory class will ping the ``$fullUrl`` to see if it is valid as it builds the SOAP xml. It will not trigger an api interaction, but you will experience an exception if your url is invalid.
 
-### Xml to collection
-
-Convert valid xml into an array before wrapping it in a collection:
-
-```php
-$xml = '<?xml version="1.0"?><root><carrier>fedex</carrier><id>123</id><tracking_number>9205590164917312751089</tracking_number></root>';
-
-$collection = collect(xml_to_array($xml));
-```
-
 ### Array to xml
 
 Convert an array into xml without using a collection:
@@ -80,12 +70,6 @@ $xml = array_to_xml($array);
 
 The ``$root`` argument allows you to customize the root xml element. Default is ``<root>``.
 
-**Helper**
-
-``xml_to_array($xml, $outputRoot = false)``
-
-The ``$outputRoot`` determines whether or not the php array will have a ``@root`` key. Default is ``false``.
-
 **Collection method**
 
 ``->toXml($root)``
diff --git a/src/XmlToArray.php b/src/XmlToArray.php
deleted file mode 100644
index 6e7a6e1..0000000
--- a/src/XmlToArray.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-
-namespace Mtownsend\CollectionXml;
-
-use DOMDocument;
-
-/**
- * @author Adrien aka Gaarf & contributors
- * @author Mark Townsend
- */
-class XmlToArray
-{
-    /**
-     * Convert valid XML to an array.
-     *
-     * @param string $xml
-     * @param bool $outputRoot
-     * @return array
-     */
-    public static function convert($xml, $outputRoot = false)
-    {
-        $array = self::xmlStringToArray($xml);
-        if (!$outputRoot && array_key_exists('@root', $array)) {
-            unset($array['@root']);
-        }
-        return $array;
-    }
-
-    protected static function xmlStringToArray($xmlstr)
-    {
-        $doc = new DOMDocument();
-        $doc->loadXML($xmlstr);
-        $root = $doc->documentElement;
-        $output = self::domNodeToArray($root);
-        $output['@root'] = $root->tagName;
-        return $output;
-    }
-
-    protected static function domNodeToArray($node)
-    {
-        $output = [];
-        switch ($node->nodeType) {
-            case XML_CDATA_SECTION_NODE:
-            case XML_TEXT_NODE:
-                $output = trim($node->textContent);
-                break;
-            case XML_ELEMENT_NODE:
-                for ($i = 0, $m = $node->childNodes->length; $i < $m; $i++) {
-                    $child = $node->childNodes->item($i);
-                    $v = self::domNodeToArray($child);
-                    if (isset($child->tagName)) {
-                        $t = $child->tagName;
-                        if (!isset($output[$t])) {
-                            $output[$t] = [];
-                        }
-                        $output[$t][] = $v;
-                    } elseif ($v || $v === '0') {
-                        $output = (string) $v;
-                    }
-                }
-                if ($node->attributes->length && !is_array($output)) { // Has attributes but isn't an array
-                    $output = ['@content' => $output]; // Change output into an array.
-                }
-                if (is_array($output)) {
-                    if ($node->attributes->length) {
-                        $a = [];
-                        foreach ($node->attributes as $attrName => $attrNode) {
-                            $a[$attrName] = (string) $attrNode->value;
-                        }
-                        $output['@attributes'] = $a;
-                    }
-                    foreach ($output as $t => $v) {
-                        if (is_array($v) && count($v) == 1 && $t != '@attributes') {
-                            $output[$t] = $v[0];
-                        }
-                    }
-                }
-                break;
-        }
-        return $output;
-    }
-}
diff --git a/src/helpers.php b/src/helpers.php
index 33ee223..3600327 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -13,17 +13,3 @@ function array_to_xml($array, $root = '')
         return \Spatie\ArrayToXml\ArrayToXml::convert($array, $root);
     }
 }
-
-if (!function_exists('xml_to_array')) {
-    /**
-     * Convert valid XML to an array.
-     *
-     * @param string $xml
-     * @param bool $outputRoot
-     * @return array
-     */
-    function xml_to_array($xml, $outputRoot = false)
-    {
-    	return \Mtownsend\CollectionXml\XmlToArray::convert($xml, $outputRoot);
-    }
-}
diff --git a/tests/CollectionXmlTest.php b/tests/CollectionXmlTest.php
index 7b45330..f7f4b92 100644
--- a/tests/CollectionXmlTest.php
+++ b/tests/CollectionXmlTest.php
@@ -64,10 +64,4 @@ public function array_can_convert_to_xml()
         $xml = $this->removeNewLines(array_to_xml($array));
         $this->assertEquals($xml, $this->testXml);
     }
-
-    /** @test */
-    public function xml_can_convert_to_array()
-    {
-        $this->assertEquals(xml_to_array($this->testXml), $this->testCollection->toArray());
-    }
 }