diff --git a/src/test/org/hjson/test/Main.java b/src/test/org/hjson/test/Main.java
index ea52c8d..e612ca1 100644
--- a/src/test/org/hjson/test/Main.java
+++ b/src/test/org/hjson/test/Main.java
@@ -28,8 +28,6 @@ private static String load(String file, boolean cr) throws Exception {
   }
 
   private static boolean test(String name, String file, boolean inputCr, boolean outputCr) throws Exception {
-    int extIdx=file.lastIndexOf('.');
-    boolean isJson=extIdx>=0 && file.substring(extIdx).equals(".json");
     boolean shouldFail=name.startsWith("fail");
 
     JsonValue.setEol(outputCr?"\r\n":"\n");