diff --git a/js/src/tests/ecma_6/LexicalEnvironment/browser.js b/js/src/tests/ecma_6/LexicalEnvironment/browser.js
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/js/src/tests/ecma_6/LexicalEnvironment/shell.js b/js/src/tests/ecma_6/LexicalEnvironment/shell.js
deleted file mode 100644
index ae23ae98b8d..00000000000
--- a/js/src/tests/ecma_6/LexicalEnvironment/shell.js
+++ /dev/null
@@ -1,2 +0,0 @@
-if (typeof version !== 'undefined')
-  version(185);
diff --git a/js/src/tests/ecma_6/LexicalEnvironment/with-global-ignores-global-let-variables.js b/js/src/tests/ecma_6/LexicalEnvironment/with-global-ignores-global-let-variables.js
deleted file mode 100644
index f2614901b29..00000000000
--- a/js/src/tests/ecma_6/LexicalEnvironment/with-global-ignores-global-let-variables.js
+++ /dev/null
@@ -1,18 +0,0 @@
-// |reftest| fails-if((1,eval)("let\x20x=3;'x'\x20in\x20this")) -- needs bug 589199 fix (top-level let not same as var)
-// Any copyright is dedicated to the Public Domain.
-// http://creativecommons.org/licenses/publicdomain/
-
-let v = "global-v";
-
-function f(v, global)
-{
-  with (global)
-    return v;
-}
-
-assertEq(f("argument-v", this), "argument-v");
-
-if (typeof reportCompare === "function")
-  reportCompare(true, true);
-
-print("Tests complete");