diff --git a/CHANGELOG b/CHANGELOG
index 768b98e..c3fd9ee 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Remove useless variable in Selector.handlers.child. Closes #10006 [kuriyama]
+
 * Don't redeclare previously declared variables. Closes #10007 [kuriyama]
 
 * For consistency: use Object.isUndefined where possible. [Tobie Langel]
diff --git a/src/selector.js b/src/selector.js
index 3bc72a7..d17eb3e 100644
--- a/src/selector.js
+++ b/src/selector.js
@@ -340,7 +340,7 @@ Object.extend(Selector, {
     child: function(nodes) {
       var h = Selector.handlers;
       for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
+        for (var j = 0, child; child = node.childNodes[j]; j++)
           if (child.nodeType == 1 && child.tagName != '!') results.push(child);
       }
       return results;