diff --git a/test/compiler-test.js b/test/compiler-test.js
index 3c1db1b..d865c8e 100644
--- a/test/compiler-test.js
+++ b/test/compiler-test.js
@@ -13,13 +13,6 @@ function testWithVaryingTrackLineAndColumn(name, callback) {
   );
 }
 
-testWithVaryingTrackLineAndColumn("indempotence", function(options) {
-  var parser1 = PEG.buildParser('start = "abcd"', options);
-  var parser2 = PEG.buildParser('start = "abcd"', options);
-
-  strictEqual(parser1.toSource(), parser2.toSource());
-});
-
 testWithVaryingTrackLineAndColumn("error details", function(options) {
   var literalParser = PEG.buildParser('start = "abcd"', options);
   doesNotParseWithDetails(