diff --git a/std/js/html/DOMElement.hx b/std/js/html/DOMElement.hx
index fee60e98271..844b4519be0 100644
--- a/std/js/html/DOMElement.hx
+++ b/std/js/html/DOMElement.hx
@@ -391,7 +391,6 @@ extern class DOMElement extends Node {
Inserts a given element node at a given position relative to the element it is invoked upon.
@throws DOMError
**/
- @:pure
function insertAdjacentElement( where : String, element : Element ) : Element;
/**
@@ -550,4 +549,4 @@ extern class DOMElement extends Node {
/** @throws DOMError */
@:overload( function( nodes : haxe.extern.Rest) : Void {} )
function append( nodes : haxe.extern.Rest ) : Void;
-}
\ No newline at end of file
+}