diff --git a/ext/simplexml/simplexml.c b/ext/simplexml/simplexml.c
index 0fbbec0ac4d..4be47623284 100644
--- a/ext/simplexml/simplexml.c
+++ b/ext/simplexml/simplexml.c
@@ -847,7 +847,6 @@ SXE_METHOD(xpath)
 SXE_METHOD(registerXPathNamespace)
 {
 	php_sxe_object    *sxe;
-	zval *id;
 	int prefix_len, ns_uri_len;
 	char *prefix, *ns_uri;