diff --git a/test/staging/sm/extensions/inc-dec-functioncall.js b/test/staging/sm/extensions/inc-dec-functioncall.js
deleted file mode 100644
index 5927a5095b7..00000000000
--- a/test/staging/sm/extensions/inc-dec-functioncall.js
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/licenses/publicdomain/
- */
-
-/*---
-includes: [sm/non262-extensions-shell.js, sm/non262-shell.js, sm/non262.js]
-flags:
-- noStrict
-description: |
-  pending
-esid: pending
----*/
-//-----------------------------------------------------------------------------
-var BUGNUMBER = 609756;
-var summary =
-  "Perform ToNumber on the result of the |fun()| in |fun()++| before " +
-  "throwing";
-
-print(BUGNUMBER + ": " + summary);
-
-/**************
- * BEGIN TEST *
- **************/
-
-var hadSideEffect;
-
-function f()
-{
-  return { valueOf: function() { hadSideEffect = true; return 0; } };
-}
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() { f()++; }, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() {
-  for (var i = 0; i < 20; i++)
-  {
-    if (i > 18)
-      f()++;
-  }
-}, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() { f()--; }, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() {
-  for (var i = 0; i < 20; i++)
-  {
-    if (i > 18)
-      f()--;
-  }
-}, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() { ++f(); }, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() {
-  for (var i = 0; i < 20; i++)
-  {
-    if (i > 18)
-      ++f();
-  }
-}, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() { --f(); }, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-hadSideEffect = false;
-assertThrowsInstanceOf(function() {
-  for (var i = 0; i < 20; i++)
-  {
-    if (i > 18)
-      --f();
-  }
-}, ReferenceError);
-assert.sameValue(hadSideEffect, true);
-
-
-/******************************************************************************/
-
-print("Tests complete");
diff --git a/test/staging/sm/regress/regress-609617.js b/test/staging/sm/regress/regress-609617.js
deleted file mode 100644
index 7fad7a9c9b2..00000000000
--- a/test/staging/sm/regress/regress-609617.js
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/licenses/publicdomain/
- */
-
-/*---
-includes: [sm/non262-shell.js, sm/non262.js]
-flags:
-- noStrict
-description: |
-  pending
-esid: pending
----*/
-var actual;
-var expect = "pass";
-
-var x = "fail";
-function f() {
-    var x = "pass";
-    delete(eval("actual = x"));
-}
-f();
-assert.sameValue(actual, expect);
-
-function g() { return 1 }
-function h() { function g() { throw 2; } eval('g()')++; }
-
-assertThrowsValue(h, 2);
-
-var lhs_prefix = ["",        "++", "--", "",   "",   "[",             "[y, "      ];
-var lhs_suffix = [" = 'no'", "",   "",   "++", "--", ", y] = [3, 4]", "] = [5, 6]"];
-
-for (var i = 0; i < lhs_prefix.length; i++) {
-    var expected;
-    if (/\[/.test(lhs_prefix[i])) {
-        expected = "invalid destructuring target";
-    } else {
-        /*
-         * NB: JSOP_SETCALL throws only JSMSG_ASSIGN_TO_CALL, it does not
-         * specialize for ++ and -- as the compiler's error reporting does. See
-         * the next section's forked assert.sameValue code.
-         */
-        expected = "cannot assign to function call";
-    }
-    assertThrownErrorContains(
-        () => eval(lhs_prefix[i] + "eval('x')" + lhs_suffix[i]),
-        expected);
-}
-
-/* Now test for strict mode rejecting any SETCALL variant at compile time. */
-for (var i = 0; i < lhs_prefix.length; i++) {
-    var expected;
-    if (/\+\+|\-\-/.test(lhs_prefix[i] || lhs_suffix[i]))
-        expected = "invalid increment/decrement operand";
-    else if (/\[/.test(lhs_prefix[i]))
-        expected = "invalid destructuring target";
-    else
-        expected = "invalid assignment left-hand side";
-    assertThrownErrorContains(
-        () => eval("(function () { 'use strict'; " + lhs_prefix[i] + "foo('x')" + lhs_suffix[i] + "; })"),
-        expected);
-}
-
-/*
- * The useless delete is optimized away, but the SETCALL must not be. It's not
- * an early error, though.
- */
-var fooArg;
-function foo(arg) { fooArg = arg; }
-assertThrownErrorContains(
-    () => eval("delete (foo('x') = 42);"),
-    "cannot assign to function call");
-assert.sameValue(fooArg, 'x');
-
-/* Delete of a call expression is not an error at all, even in strict mode. */
-function g() {
-    "use strict";
-    assert.sameValue(delete Object(), true);
-}
-g();
-
diff --git a/test/staging/sm/statements/for-of-iterator-close.js b/test/staging/sm/statements/for-of-iterator-close.js
index 3aefd1f2cef..f5c3e90252a 100644
--- a/test/staging/sm/statements/for-of-iterator-close.js
+++ b/test/staging/sm/statements/for-of-iterator-close.js
@@ -40,7 +40,7 @@ function test() {
         throw "in lhs";
     }
     assertThrowsValue(function() {
-        for ((throwlhs()) of iterable)
+        for ((throwlhs().x) of iterable)
             continue;
     }, "in lhs");
     assert.sameValue(returnCalled, ++returnCalledExpected);