diff --git a/test/staging/sm/async-functions/async-property-name-error.js b/test/staging/sm/async-functions/async-property-name-error.js
index cc7d8586f8..acc0542e0d 100644
--- a/test/staging/sm/async-functions/async-property-name-error.js
+++ b/test/staging/sm/async-functions/async-property-name-error.js
@@ -2,12 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 function assertSyntaxError(code) {
     assert.throws(SyntaxError, () => { Function(code); }, "Function:" + code);
     assert.throws(SyntaxError, () => { eval(code); }, "eval:" + code);
@@ -26,4 +25,3 @@ for (let decl of ["var", "let", "const"]) {
     assertSyntaxError(`${decl} {async async, } = {}`);
     assertSyntaxError(`${decl} {async async = 0} = {}`);
 }
-
diff --git a/test/staging/sm/async-functions/await-error.js b/test/staging/sm/async-functions/await-error.js
index d57f7dc0c4..48cc57e27e 100644
--- a/test/staging/sm/async-functions/await-error.js
+++ b/test/staging/sm/async-functions/await-error.js
@@ -2,8 +2,6 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   await outside of async function should provide better error
 esid: pending
diff --git a/test/staging/sm/async-functions/await-in-arrow-parameters.js b/test/staging/sm/async-functions/await-in-arrow-parameters.js
index 2967c026a9..958f58bcd1 100644
--- a/test/staging/sm/async-functions/await-in-arrow-parameters.js
+++ b/test/staging/sm/async-functions/await-in-arrow-parameters.js
@@ -2,12 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 var ieval = eval;
 var AsyncFunction = async function(){}.constructor;
 
@@ -98,5 +97,3 @@ assertSyntaxErrorAsync("(a = (b, ...await) => {}) => {}");
 assertSyntaxErrorBoth("(a = async(b, ...await) => {}) => {}");
 assertSyntaxErrorBoth("async(a = (b, ...await) => {}) => {}");
 assertSyntaxErrorBoth("async(a = async(b, ...await) => {}) => {}");
-
-
diff --git a/test/staging/sm/async-functions/await-in-parameters-of-async-func.js b/test/staging/sm/async-functions/await-in-parameters-of-async-func.js
index 2427e689fa..53160e5879 100644
--- a/test/staging/sm/async-functions/await-in-parameters-of-async-func.js
+++ b/test/staging/sm/async-functions/await-in-parameters-of-async-func.js
@@ -4,20 +4,12 @@
  */
 
 /*---
-flags:
-  - noStrict
 description: |
-  pending
+  error for incomplete await expr in async function/generator parameter
 esid: pending
 ---*/
-//-----------------------------------------------------------------------------
-var BUGNUMBER = 1478910;
-var summary = 'JSMSG_AWAIT_IN_PARAMETER error for incomplete await expr in async function/generator parameter';
 
-
-//-----------------------------------------------------------------------------
 test();
-//-----------------------------------------------------------------------------
 
 function test()
 {
@@ -64,5 +56,4 @@ function test()
   testAwaitInDefaultExprOfAsyncFunc("async (a = await) => {}");
 
   testNoException("async (a = async () => { await 1; }) => {}");
-
 }
diff --git a/test/staging/sm/async-functions/constructor.js b/test/staging/sm/async-functions/constructor.js
index 65d305b767..0cc98e0d2a 100644
--- a/test/staging/sm/async-functions/constructor.js
+++ b/test/staging/sm/async-functions/constructor.js
@@ -2,8 +2,6 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   async function constructor and prototype
 esid: pending
diff --git a/test/staging/sm/async-functions/create-function-parse-before-getprototype.js b/test/staging/sm/async-functions/create-function-parse-before-getprototype.js
index f12b0d76ec..f520fb2ada 100644
--- a/test/staging/sm/async-functions/create-function-parse-before-getprototype.js
+++ b/test/staging/sm/async-functions/create-function-parse-before-getprototype.js
@@ -2,12 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 var getProtoCalled = false;
 
 var newTarget = Object.defineProperty(function(){}.bind(), "prototype", {
@@ -24,4 +23,3 @@ assert.throws(SyntaxError, () => {
 });
 
 assert.sameValue(getProtoCalled, false);
-
diff --git a/test/staging/sm/async-functions/inner-caller.js b/test/staging/sm/async-functions/inner-caller.js
index 4ec7c796a2..6a61875136 100644
--- a/test/staging/sm/async-functions/inner-caller.js
+++ b/test/staging/sm/async-functions/inner-caller.js
@@ -2,12 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 function g() {
       return g.caller;
 }
@@ -22,4 +21,3 @@ function g() {
   var inner = g();
   assert.sameValue(inner, null);
 })();
-
diff --git a/test/staging/sm/async-functions/length.js b/test/staging/sm/async-functions/length.js
index 8b190cf3be..4de6824b3d 100644
--- a/test/staging/sm/async-functions/length.js
+++ b/test/staging/sm/async-functions/length.js
@@ -2,8 +2,6 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   async function length
 esid: pending
diff --git a/test/staging/sm/async-functions/no-expression-closure.js b/test/staging/sm/async-functions/no-expression-closure.js
index a802419ace..a9b9696db4 100644
--- a/test/staging/sm/async-functions/no-expression-closure.js
+++ b/test/staging/sm/async-functions/no-expression-closure.js
@@ -2,12 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 function assertSyntaxError(code) {
     assert.throws(SyntaxError, function () { Function(code); }, "Function:" + code);
     assert.throws(SyntaxError, function () { eval(code); }, "eval:" + code);
@@ -21,5 +20,3 @@ assertSyntaxError(`async function f() 0`);
 // AsyncFunction expression
 assertSyntaxError(`void async function() 0`);
 assertSyntaxError(`void async function f() 0`);
-
-
diff --git a/test/staging/sm/async-functions/property.js b/test/staging/sm/async-functions/property.js
index 1dab14ad55..eaf2f1790a 100644
--- a/test/staging/sm/async-functions/property.js
+++ b/test/staging/sm/async-functions/property.js
@@ -2,8 +2,6 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   async name token in property and object destructuring pattern
 esid: pending
diff --git a/test/staging/sm/async-functions/toString.js b/test/staging/sm/async-functions/toString.js
index dc26c2674c..53e203e04c 100644
--- a/test/staging/sm/async-functions/toString.js
+++ b/test/staging/sm/async-functions/toString.js
@@ -2,8 +2,6 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   async function toString
 esid: pending