diff --git a/lib/6to5/util.js b/lib/6to5/util.js
index a4c0317040..2855d8f0b5 100644
--- a/lib/6to5/util.js
+++ b/lib/6to5/util.js
@@ -108,7 +108,7 @@ exports.errorWithNode = function (node, msg) {
 
 exports.canCompile = function (filename) {
   var ext = path.extname(filename);
-  return _.contains([".js", ".es6", ".jsx"], ext);
+  return _.contains([".js", ".es6"], ext);
 };
 
 exports.sourceMapToComment = function (map) {