deleted file mode 100644
--- a/js/src/jit-test/tests/basic/number-tointeger.js
+++ /dev/null
@@ -1,20 +0,0 @@
-assertEq(Number.toInteger(4), 4);
-assertEq(Number.toInteger(4.), 4);
-assertEq(Number.toInteger(4.3), 4);
-assertEq(Number.toInteger(-4), -4);
-assertEq(Number.toInteger(-4.), -4);
-assertEq(Number.toInteger(-4.3), -4);
-assertEq(Number.toInteger(0.), 0.);
-assertEq(Number.toInteger(-0.), -0.);
-assertEq(Number.toInteger(Infinity), Infinity);
-assertEq(Number.toInteger(-Infinity), -Infinity);
-assertEq(Number.toInteger(NaN), 0);
-assertEq(Number.toInteger(null), 0);
-assertEq(Number.toInteger(undefined), 0);
-assertEq(Number.toInteger(true), 1);
-assertEq(Number.toInteger(false), 0);
-assertEq(Number.toInteger({valueOf : function () { return 4; }}), 4);
-assertEq(Number.toInteger({valueOf : function () { return 4.3; }}), 4);
-assertEq(Number.toInteger({valueOf : function () { return "4"; }}), 4);
-assertEq(Number.toInteger({valueOf : function () { return {};}}), 0);
-assertEq(Number.toInteger(), 0);

--- a/js/src/jsnum.cpp
+++ b/js/src/jsnum.cpp
@@ -1055,41 +1055,24 @@ Number_isInteger(JSContext *cx, unsigned
     }
     Value val = args[0];
     args.rval().setBoolean(val.isInt32() ||
                            (mozilla::IsFinite(val.toDouble()) &&
                             ToInteger(val.toDouble()) == val.toDouble()));
     return true;
 }
 
-// ES6 drafult ES6 15.7.3.13
-static bool
-Number_toInteger(JSContext *cx, unsigned argc, Value *vp)
-{
-    CallArgs args = CallArgsFromVp(argc, vp);
-    if (args.length() < 1) {
-        args.rval().setInt32(0);
-        return true;
-    }
-    double asint;
-    if (!ToInteger(cx, args[0], &asint))
-        return false;
-    args.rval().setNumber(asint);
-    return true;
-}
-
 
 static const JSFunctionSpec number_static_methods[] = {
     JS_SELF_HOSTED_FN("isFinite", "Number_isFinite", 1,0),
     JS_FN("isInteger", Number_isInteger, 1, 0),
     JS_SELF_HOSTED_FN("isNaN", "Number_isNaN", 1,0),
     JS_SELF_HOSTED_FN("isSafeInteger", "Number_isSafeInteger", 1,0),
     JS_FN("parseFloat", num_parseFloat, 1, 0),
     JS_FN("parseInt", num_parseInt, 2, 0),
-    JS_FN("toInteger", Number_toInteger, 1, 0),
     JS_FS_END
 };
 
 
 /* NB: Keep this in synch with number_constants[]. */
 enum nc_slot {
     NC_NaN,
     NC_POSITIVE_INFINITY,