diff --git a/test/staging/sm/ArrayBuffer/slice-species.js b/test/staging/sm/ArrayBuffer/slice-species.js
index 4de0cbf11d..8ca50b60ce 100644
--- a/test/staging/sm/ArrayBuffer/slice-species.js
+++ b/test/staging/sm/ArrayBuffer/slice-species.js
@@ -123,7 +123,7 @@ for (let [ctor, answer] of tests) {
   }
 
   // @@species from different global
-  let g = createNewGlobal();
+  let g = $262.createRealm().global;
   g.eval("var MyArrayBuffer = class MyArrayBuffer extends ArrayBuffer {};");
   a = arr.buffer;
   a.constructor = {
diff --git a/test/staging/sm/Atomics/cross-compartment.js b/test/staging/sm/Atomics/cross-compartment.js
index 21d6fa23cc..ab74078841 100644
--- a/test/staging/sm/Atomics/cross-compartment.js
+++ b/test/staging/sm/Atomics/cross-compartment.js
@@ -10,7 +10,7 @@ description: |
 esid: pending
 ---*/
 
-const otherGlobal = createNewGlobal();
+const otherGlobal = $262.createRealm().global;
 
 const intArrayConstructors = [
   otherGlobal.Int32Array,
diff --git a/test/staging/sm/Date/constructor-one-Date-argument.js b/test/staging/sm/Date/constructor-one-Date-argument.js
index 8828397d81..b37a58e1d6 100644
--- a/test/staging/sm/Date/constructor-one-Date-argument.js
+++ b/test/staging/sm/Date/constructor-one-Date-argument.js
@@ -30,7 +30,7 @@ Date.prototype.valueOf = () => 42;
 d = new Date(new Date(8675309));
 assert.sameValue(d.getTime(), 8675309);
 
-var D = createNewGlobal().Date;
+var D = $262.createRealm().global.Date;
 
 D.prototype.toString = D.prototype.valueOf = null;
 var d = new Date(new D(3141592654));
diff --git a/test/staging/sm/Date/defaultvalue.js b/test/staging/sm/Date/defaultvalue.js
index b66205fe71..ce9fec8736 100644
--- a/test/staging/sm/Date/defaultvalue.js
+++ b/test/staging/sm/Date/defaultvalue.js
@@ -21,7 +21,7 @@ print(BUGNUMBER + ": " + summary);
  * BEGIN TEST *
  **************/
 
-function allTests()
+function allTests(Date)
 {
   var DS = new Date(2010, 1, 1).toString();
 
@@ -182,13 +182,8 @@ function allTests()
   testInOperatorName();
 }
 
-allTests();
-
-if (typeof createNewGlobal === "function")
-{
-  Date = createNewGlobal().Date;
-  allTests();
-}
+allTests(Date);
+allTests($262.createRealm().global.Date);
 
 /******************************************************************************/
 
diff --git a/test/staging/sm/Error/AggregateError.js b/test/staging/sm/Error/AggregateError.js
index 8e86516e2b..8db3c803c3 100644
--- a/test/staging/sm/Error/AggregateError.js
+++ b/test/staging/sm/Error/AggregateError.js
@@ -74,7 +74,7 @@ assert.throws(TypeError, () => AggregateError());
   assert.sameValue(writable, true);
   assert.sameValue(value.length, 0);
 
-  const g = createNewGlobal();
+  const g = $262.createRealm().global;
 
   let obj = {};
   let errors = new g.AggregateError([obj]).errors;
diff --git a/test/staging/sm/Function/arguments-iterator.js b/test/staging/sm/Function/arguments-iterator.js
index b4af4b63e8..bbd2dbd236 100644
--- a/test/staging/sm/Function/arguments-iterator.js
+++ b/test/staging/sm/Function/arguments-iterator.js
@@ -86,7 +86,7 @@ for (let f of mapped) {
   f(10, 20, 30);
 }
 
-var g1 = createNewGlobal();
+var g1 = $262.createRealm().global;
 assert.sameValue(g1.eval(`
 function f(a, b, c) {
   return arguments[Symbol.iterator].name;
@@ -166,7 +166,7 @@ for (let f of unmapped) {
   f([10], 20, 30);
 }
 
-var g2 = createNewGlobal();
+var g2 = $262.createRealm().global;
 assert.sameValue(g2.eval(`
 function f([a], b, c) {
   return arguments[Symbol.iterator].name;
diff --git a/test/staging/sm/JSON/parse-with-source.js b/test/staging/sm/JSON/parse-with-source.js
index a26d76a62d..b3bcc95a55 100644
--- a/test/staging/sm/JSON/parse-with-source.js
+++ b/test/staging/sm/JSON/parse-with-source.js
@@ -121,7 +121,7 @@ esid: pending
 })();
 
 (function checkErrorsComeFromCorrectRealm() {
-    const otherGlobal = createNewGlobal({newCompartment: true});
+    const otherGlobal = $262.createRealm().global;
     assert.sameValue(TypeError !== otherGlobal.TypeError, true);
 
     assertErrorComesFromCorrectRealm = (fun, thisRealmType) => {
diff --git a/test/staging/sm/Promise/bug-1289040.js b/test/staging/sm/Promise/bug-1289040.js
index 9e4b9fc6dc..5bdc488259 100644
--- a/test/staging/sm/Promise/bug-1289040.js
+++ b/test/staging/sm/Promise/bug-1289040.js
@@ -9,7 +9,7 @@ description: |
   pending
 esid: pending
 ---*/
-var global = createNewGlobal();
+var global = $262.createRealm().global;
 Promise.prototype.then = global.Promise.prototype.then;
 p1 = new Promise(function f(r) {
     r(1);
diff --git a/test/staging/sm/Proxy/proxy-with-revoked-arguments.js b/test/staging/sm/Proxy/proxy-with-revoked-arguments.js
index 5ad3d5927e..ad06921959 100644
--- a/test/staging/sm/Proxy/proxy-with-revoked-arguments.js
+++ b/test/staging/sm/Proxy/proxy-with-revoked-arguments.js
@@ -49,7 +49,7 @@ new Proxy(p, {});
 new Proxy({}, p);
 
 
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 p = g.eval(`var r = Proxy.revocable({}, {}); r.proxy;`);
 
 new Proxy(p, {});
diff --git a/test/staging/sm/Reflect/apply.js b/test/staging/sm/Reflect/apply.js
index f34482046d..f139ca3cf0 100644
--- a/test/staging/sm/Reflect/apply.js
+++ b/test/staging/sm/Reflect/apply.js
@@ -70,7 +70,7 @@ assert.sameValue(Reflect.apply(new Proxy(f, {}),
          13);
 
 // Cross-compartment wrappers:
-var gw = createNewGlobal();
+var gw = $262.createRealm().global;
 assert.sameValue(Reflect.apply(gw.parseInt,
                        undefined,
                        ["45"]),
diff --git a/test/staging/sm/Reflect/construct.js b/test/staging/sm/Reflect/construct.js
index a5013f1391..b614cbc339 100644
--- a/test/staging/sm/Reflect/construct.js
+++ b/test/staging/sm/Reflect/construct.js
@@ -56,7 +56,7 @@ g = Derived.bind(null, "q");
 assert.deepEqual(Reflect.construct(g, [8, 9]), new g(8, 9));
 
 // Cross-compartment wrappers:
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 var local = {here: this};
 g.eval("function F(arg) { this.arg = arg }");
 assert.deepEqual(Reflect.construct(g.F, [local]), new g.F(local));
diff --git a/test/staging/sm/Reflect/ownKeys.js b/test/staging/sm/Reflect/ownKeys.js
index 4b584d1909..82cac3b9ab 100644
--- a/test/staging/sm/Reflect/ownKeys.js
+++ b/test/staging/sm/Reflect/ownKeys.js
@@ -40,7 +40,7 @@ var cases = [
      keys: ["0", "8", "773",  // indexes in numeric order
             "str", "-1", "second str", // strings in insertion order
             sym, sym2]}, // symbols in insertion order
-    {object: createNewGlobal().Math,  // cross-compartment wrapper
+    {object: $262.createRealm().global.Math,  // cross-compartment wrapper
      keys: Reflect.ownKeys(Math)}
 ];
 for (var {object, keys} of cases)
diff --git a/test/staging/sm/Reflect/set.js b/test/staging/sm/Reflect/set.js
index 2921286538..f760c84c21 100644
--- a/test/staging/sm/Reflect/set.js
+++ b/test/staging/sm/Reflect/set.js
@@ -124,7 +124,7 @@ assert.sameValue(log, "sp");
 
 // When calling a cross-compartment wrapper, receiver is rewrapped for the
 // target compartment.
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 if (!("assert" in g) && "assert" in globalThis)
     g.assert = assert;  // necessary when exporting to test262
 if (!("assert.sameValue" in g))
diff --git a/test/staging/sm/RegExp/constructor-constructor.js b/test/staging/sm/RegExp/constructor-constructor.js
index 461b554b5c..00f6cade46 100644
--- a/test/staging/sm/RegExp/constructor-constructor.js
+++ b/test/staging/sm/RegExp/constructor-constructor.js
@@ -14,7 +14,7 @@ var summary = "RegExp constructor should check pattern.constructor.";
 
 print(BUGNUMBER + ": " + summary);
 
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 
 var re = /foo/;
 assert.sameValue(RegExp(re), re);
diff --git a/test/staging/sm/RegExp/constructor-regexp.js b/test/staging/sm/RegExp/constructor-regexp.js
index c4a740e948..cc4bfe437c 100644
--- a/test/staging/sm/RegExp/constructor-regexp.js
+++ b/test/staging/sm/RegExp/constructor-regexp.js
@@ -39,7 +39,7 @@ assert.sameValue(sourceCalled, false);
 assert.sameValue(flagsCalled, false);
 
 // cross-compartment
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 var b = g.eval(`
 var b = /foo2/;
 var flagsCalled = false;
diff --git a/test/staging/sm/RegExp/cross-compartment-getter.js b/test/staging/sm/RegExp/cross-compartment-getter.js
index 0bd2176aa4..88bca7f8ce 100644
--- a/test/staging/sm/RegExp/cross-compartment-getter.js
+++ b/test/staging/sm/RegExp/cross-compartment-getter.js
@@ -9,7 +9,7 @@ description: |
   pending
 esid: pending
 ---*/
-const otherGlobal = createNewGlobal({newCompartment: true});
+const otherGlobal = $262.createRealm().global;
 
 let regExp = otherGlobal.eval("/a(b|c)/iy");
 
diff --git a/test/staging/sm/RegExp/prototype-different-global.js b/test/staging/sm/RegExp/prototype-different-global.js
index e597e51d35..197e506b17 100644
--- a/test/staging/sm/RegExp/prototype-different-global.js
+++ b/test/staging/sm/RegExp/prototype-different-global.js
@@ -32,6 +32,5 @@ function test(otherGlobal) {
 
     assert.sameValue(RegExp.prototype.toString.call(otherRegExp.prototype), "/(?:)/");
 }
-test(createNewGlobal());
-test(createNewGlobal({newCompartment: true}));
+test($262.createRealm().global);
 
diff --git a/test/staging/sm/String/iterator_edge_cases.js b/test/staging/sm/String/iterator_edge_cases.js
index c79d6a460a..9f1c01154f 100644
--- a/test/staging/sm/String/iterator_edge_cases.js
+++ b/test/staging/sm/String/iterator_edge_cases.js
@@ -25,10 +25,7 @@ TestStringIteratorPrototypeConfusion();
 // cross-compartment iterator.
 function TestStringIteratorWrappers() {
     var iter = ""[Symbol.iterator]();
-    assert.deepEqual(iter.next.call(createNewGlobal().eval('"x"[Symbol.iterator]()')),
+    assert.deepEqual(iter.next.call($262.createRealm().global.eval('"x"[Symbol.iterator]()')),
 		 { value: "x", done: false })
 }
-if (typeof createNewGlobal === "function") {
-    TestStringIteratorWrappers();
-}
-
+TestStringIteratorWrappers();
diff --git a/test/staging/sm/String/matchAll.js b/test/staging/sm/String/matchAll.js
index 8263ebd3f7..78f7998766 100644
--- a/test/staging/sm/String/matchAll.js
+++ b/test/staging/sm/String/matchAll.js
@@ -81,7 +81,7 @@ assertEqMatchResults("ababcca".matchAll("a"), matchResults("ababcca", /a/g));
 // Cross-compartment tests.
 
 {
-    let otherGlobal = createNewGlobal();
+    let otherGlobal = $262.createRealm().global;
 
     let iterator = otherGlobal.eval(`"ababcca".matchAll(/a/g)`);
     let expected = matchResults("ababcca", /a/g);
diff --git a/test/staging/sm/String/replaceAll.js b/test/staging/sm/String/replaceAll.js
index 52ba9650ae..e8d6d7fe68 100644
--- a/test/staging/sm/String/replaceAll.js
+++ b/test/staging/sm/String/replaceAll.js
@@ -13,7 +13,7 @@ function neverCalled() {
   assert.sameValue(true, false, "unexpected call");
 }
 
-const g = createNewGlobal();
+const g = $262.createRealm().global;
 
 assert.sameValue(typeof String.prototype.replaceAll, "function");
 assert.sameValue(String.prototype.replaceAll.length, 2);
diff --git a/test/staging/sm/class/extendBuiltinConstructors.js b/test/staging/sm/class/extendBuiltinConstructors.js
index 893019e629..306c76d32c 100644
--- a/test/staging/sm/class/extendBuiltinConstructors.js
+++ b/test/staging/sm/class/extendBuiltinConstructors.js
@@ -104,7 +104,7 @@ testBuiltin(WeakSet);
 testBuiltin(ArrayBuffer);
 testBuiltinTypedArrays();
 testBuiltin(DataView, new ArrayBuffer());
-testBuiltin(DataView, new (createNewGlobal().ArrayBuffer)());
+testBuiltin(DataView, new ($262.createRealm().global.ArrayBuffer)());
 testBuiltin(String);
 testBuiltin(Array);
 testBuiltin(Array, 15);
diff --git a/test/staging/sm/class/newTargetCCW.js b/test/staging/sm/class/newTargetCCW.js
index 41d6679d34..5724620c41 100644
--- a/test/staging/sm/class/newTargetCCW.js
+++ b/test/staging/sm/class/newTargetCCW.js
@@ -10,7 +10,7 @@ description: |
 esid: pending
 ---*/
 // Make sure we wrap the new target on CCW construct calls.
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 
 let f = g.eval('(function (expected) { this.accept = new.target === expected; })');
 
diff --git a/test/staging/sm/class/superPropProxies.js b/test/staging/sm/class/superPropProxies.js
index dba771559b..f70ce13ad4 100644
--- a/test/staging/sm/class/superPropProxies.js
+++ b/test/staging/sm/class/superPropProxies.js
@@ -80,7 +80,7 @@ child.testStaticLookups();
 assert.sameValue(new Proxy(({ method() { return super.hasOwnProperty("method"); } }), {}).method(), true);
 
 // What about a CCW?
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 var wrappedSuper = g.eval("({ method() { return super.hasOwnProperty('method'); } })");
 assert.sameValue(wrappedSuper.method(), true);
 
diff --git a/test/staging/sm/extensions/cross-global-eval-is-indirect.js b/test/staging/sm/extensions/cross-global-eval-is-indirect.js
index faa3c84b2a..86db2aa9b1 100644
--- a/test/staging/sm/extensions/cross-global-eval-is-indirect.js
+++ b/test/staging/sm/extensions/cross-global-eval-is-indirect.js
@@ -33,33 +33,19 @@ function f()
   return [this, eval("this")];
 }
 
-var otherGlobalSameCompartment = createNewGlobal("same-compartment");
+var otherGlobal = $262.createRealm().global;
 
-eval = otherGlobalSameCompartment.eval;
+eval = otherGlobal.eval;
 res = new f();
 assert.sameValue(res[0] !== res[1], true);
 assert.sameValue(res[0] !== this, true);
 assert.sameValue(res[0] instanceof f, true);
-assert.sameValue(res[1], otherGlobalSameCompartment);
+assert.sameValue(res[1], otherGlobal);
 
 res = f();
 assert.sameValue(res[0] !== res[1], true);
 assert.sameValue(res[0], this);
-assert.sameValue(res[1], otherGlobalSameCompartment);
-
-var otherGlobalDifferentCompartment = createNewGlobal();
-
-eval = otherGlobalDifferentCompartment.eval;
-res = new f();
-assert.sameValue(res[0] !== res[1], true);
-assert.sameValue(res[0] !== this, true);
-assert.sameValue(res[0] instanceof f, true);
-assert.sameValue(res[1], otherGlobalDifferentCompartment);
-
-res = f();
-assert.sameValue(res[0] !== res[1], true);
-assert.sameValue(res[0], this);
-assert.sameValue(res[1], otherGlobalDifferentCompartment);
+assert.sameValue(res[1], otherGlobal);
 
 /******************************************************************************/
 
diff --git a/test/staging/sm/extensions/dataview.js b/test/staging/sm/extensions/dataview.js
index b291836ea3..b78f6c79d1 100644
--- a/test/staging/sm/extensions/dataview.js
+++ b/test/staging/sm/extensions/dataview.js
@@ -1564,7 +1564,7 @@ function test(sharedMem) {
     checkThrow(() => DataView.prototype.buffer, TypeError);
 
     // Protos and proxies, oh my!
-    var alien = createNewGlobal();
+    var alien = $262.createRealm().global;
     var alien_data = alien.eval('data = ' + JSON.stringify(data1));
     var alien_buffer = alien.eval(`buffer = new ${sharedMem ? 'Shared' : ''}ArrayBuffer(data.length)`);
     alien.eval('new Uint8Array(buffer).set(data)');
diff --git a/test/staging/sm/extensions/new-cross-compartment.js b/test/staging/sm/extensions/new-cross-compartment.js
index c5590a6a24..33d68e892c 100644
--- a/test/staging/sm/extensions/new-cross-compartment.js
+++ b/test/staging/sm/extensions/new-cross-compartment.js
@@ -22,7 +22,7 @@ print(BUGNUMBER + ": " + summary);
  * BEGIN TEST *
  **************/
 
-var g = createNewGlobal();
+var g = $262.createRealm().global;
 
 var otherStr = new g.String("foo");
 assert.sameValue(otherStr instanceof g.String, true);
diff --git a/test/staging/sm/object/setPrototypeOf-cross-realm-cycle.js b/test/staging/sm/object/setPrototypeOf-cross-realm-cycle.js
index e0224f283e..422056337b 100644
--- a/test/staging/sm/object/setPrototypeOf-cross-realm-cycle.js
+++ b/test/staging/sm/object/setPrototypeOf-cross-realm-cycle.js
@@ -12,7 +12,7 @@ esid: pending
 // The cycle check in 9.1.2 [[SetPrototypeOf]] prevents cross-realm cycles
 // involving only ordinary objects.
 
-var gw = createNewGlobal();
+var gw = $262.createRealm().global;
 
 var obj = {};
 var w = gw.Object.create(obj);
diff --git a/test/staging/sm/regress/regress-636364.js b/test/staging/sm/regress/regress-636364.js
index 2dd7e59a53..3a893be0ad 100644
--- a/test/staging/sm/regress/regress-636364.js
+++ b/test/staging/sm/regress/regress-636364.js
@@ -11,25 +11,14 @@ description: |
   pending
 esid: pending
 ---*/
-if (typeof createNewGlobal == 'function') {
-    var gsame = createNewGlobal('same-compartment');
 
-    gsame.eval("function f() { return this; }");
-    f = gsame.f;
-    assert.sameValue(f(), gsame);
+var gnew = $262.createRealm().global;
 
-    gsame.eval("function g() { 'use strict'; return this; }");
-    g = gsame.g;
-    assert.sameValue(g(), undefined);
+gnew.eval("function f() { return this; }");
+f = gnew.f;
+assert.sameValue(f(), gnew);
 
-    var gnew = createNewGlobal();
-
-    gnew.eval("function f() { return this; }");
-    f = gnew.f;
-    assert.sameValue(f(), gnew);
-
-    gnew.eval("function g() { 'use strict'; return this; }");
-    g = gnew.g;
-    assert.sameValue(g(), undefined);
-}
+gnew.eval("function g() { 'use strict'; return this; }");
+g = gnew.g;
+assert.sameValue(g(), undefined);
 
diff --git a/test/staging/sm/syntax/yield-as-identifier.js b/test/staging/sm/syntax/yield-as-identifier.js
index 6d8b0568e5..ca9a59f1e9 100644
--- a/test/staging/sm/syntax/yield-as-identifier.js
+++ b/test/staging/sm/syntax/yield-as-identifier.js
@@ -21,13 +21,13 @@ print(BUGNUMBER + ": " + summary);
  * BEGIN TEST *
  **************/
 
+var g = $262.createRealm().global;
+
 function t(code)
 {
   var strictSemi = " 'use strict'; " + code;
   var strictASI = " 'use strict' \n " + code;
 
-  var g = createNewGlobal();
-
   g.Function(code);
 
   assert.throws(g.SyntaxError, () => g.Function(strictSemi));