diff --git a/test/staging/sm/Array/group.js b/test/staging/sm/Array/group.js
index 128b92956e..425fb0af4e 100644
--- a/test/staging/sm/Array/group.js
+++ b/test/staging/sm/Array/group.js
@@ -3,8 +3,6 @@
 
 /*---
 includes: [deepEqual.js]
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
@@ -90,8 +88,8 @@ Object.defineProperty(Object.prototype, "foo", {
 Object.groupBy([1, 2, 3], () => 'foo');
 
 // Ensure property key is correctly accessed
-count = 0;
-p = Object.groupBy([1], () => ({ toString() { count++; return 10 } }));
+let count = 0;
+const p = Object.groupBy([1], () => ({ toString() { count++; return 10 } }));
 assert.sameValue(count, 1);
 Map.groupBy([1], () => ({ toString() { count++; return 10 } }));
 assert.sameValue(count, 1);
diff --git a/test/staging/sm/Array/regress-386030.js b/test/staging/sm/Array/regress-386030.js
index 147fd58363..e61f01039a 100644
--- a/test/staging/sm/Array/regress-386030.js
+++ b/test/staging/sm/Array/regress-386030.js
@@ -4,8 +4,6 @@
  */
 
 /*---
-flags:
-  - noStrict
 description: |
   Array.reduce should ignore holes
 esid: pending
@@ -21,6 +19,8 @@ function test()
   function add(a, b) { return a + b; }
   function testreduce(v) { return v == 3 ? "PASS" : "FAIL"; }
 
+  var a;
+
   expect = 'PASS';
 
   try {
diff --git a/test/staging/sm/Array/toLocaleString-01.js b/test/staging/sm/Array/toLocaleString-01.js
index 78db3b5b38..21454d6215 100644
--- a/test/staging/sm/Array/toLocaleString-01.js
+++ b/test/staging/sm/Array/toLocaleString-01.js
@@ -4,8 +4,6 @@
  */
 
 /*---
-flags:
-  - noStrict
 description: |
   Array.prototype.toLocaleString
 esid: pending
@@ -20,7 +18,7 @@ o = {};
 assert.sameValue(Array.prototype.toLocaleString.call(o), "");
 
 var log = '';
-arr = {length: {valueOf: function () { log += "L"; return 2; }},
+var arr = {length: {valueOf: function () { log += "L"; return 2; }},
       0: "x", 1: "z"};
 assert.sameValue(Array.prototype.toLocaleString.call(arr), "x,z");
 assert.sameValue(log, "L");