diff --git a/tests/cases/fourslash/codeFixAwaitInSyncFunction4.ts b/tests/cases/fourslash/codeFixAwaitInSyncFunction4.ts
index 24506bb39c..dd123e25d0 100644
--- a/tests/cases/fourslash/codeFixAwaitInSyncFunction4.ts
+++ b/tests/cases/fourslash/codeFixAwaitInSyncFunction4.ts
@@ -1,7 +1,7 @@
 /// <reference path='fourslash.ts' />
 
 ////class Foo {
-////    constructor() {
+////    constructor {
 ////        await Promise.resolve();
 ////    }
 ////}
diff --git a/tests/cases/fourslash/codeFixAwaitInSyncFunction7.ts b/tests/cases/fourslash/codeFixAwaitInSyncFunction7.ts
index 1d058fe473..a467e9ee0c 100644
--- a/tests/cases/fourslash/codeFixAwaitInSyncFunction7.ts
+++ b/tests/cases/fourslash/codeFixAwaitInSyncFunction7.ts
@@ -1,7 +1,7 @@
 /// <reference path='fourslash.ts' />
 
 ////function f() {
-////    for await (const x of []) {
+////    for await (const x of g()) {
 ////        console.log(x);
 ////    }
 ////}
@@ -10,7 +10,7 @@ verify.codeFix({
     description: "Add async modifier to containing function",
     newFileContent:
 `async function f() {
-    for await (const x of []) {
+    for await (const x of g()) {
         console.log(x);
     }
 }`,
diff --git a/tests/cases/fourslash/codeFixAwaitShouldNotCrashIfNotInFunction.ts b/tests/cases/fourslash/codeFixAwaitShouldNotCrashIfNotInFunction.ts
index 4d916fe25b..1ce5c771ed 100644
--- a/tests/cases/fourslash/codeFixAwaitShouldNotCrashIfNotInFunction.ts
+++ b/tests/cases/fourslash/codeFixAwaitShouldNotCrashIfNotInFunction.ts
@@ -1,6 +1,5 @@
 /// <reference path='fourslash.ts' />
 
-////async function a() {}
 ////await a
 
 verify.not.codeFixAvailable();
diff --git a/tests/cases/fourslash/codeFixClassImplementInterfaceIndexSignaturesNoFix.ts b/tests/cases/fourslash/codeFixClassImplementInterfaceIndexSignaturesNoFix.ts
index 39470dfdd5..07896b4cdb 100644
--- a/tests/cases/fourslash/codeFixClassImplementInterfaceIndexSignaturesNoFix.ts
+++ b/tests/cases/fourslash/codeFixClassImplementInterfaceIndexSignaturesNoFix.ts
@@ -4,7 +4,7 @@
 ////     [x: string, y: number]: number;
 //// }
 ////
-//// class C implements I4 {[|  |]}
+//// class C implements I {[|  |]}
 
 verify.not.codeFixAvailable();
 
diff --git a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused.ts b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused.ts
index 6f2dc76d0a..4f3f9a3e61 100644
--- a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused.ts
+++ b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused.ts
@@ -4,7 +4,7 @@
 // @noUnusedParameters: true
 
 ////export {};
-////const { x, y } = {};
+////const { x, y } = o;
 
 verify.codeFix({
     description: "Remove destructuring",
diff --git a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_all.ts b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_all.ts
index 176f108c51..c9d4f62f2d 100644
--- a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_all.ts
+++ b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_all.ts
@@ -3,8 +3,8 @@
 // @noUnusedLocals: true
 // @noUnusedParameters: true
 
-////const { x, y } = {};
-////const { a, b } = {};
+////const { x, y } = o;
+////const { a, b } = o;
 ////a;
 ////export function f({ a, b }, { x, y }) {
 ////    a;
@@ -14,7 +14,7 @@ verify.codeFixAll({
     fixId: "unusedIdentifier_delete",
     fixAllDescription: "Delete all unused declarations",
     newFileContent:
-`const { a } = {};
+`const { a } = o;
 a;
 export function f({ a }) {
     a;
diff --git a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_for.ts b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_for.ts
index ea94e5275a..27103357d3 100644
--- a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_for.ts
+++ b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_for.ts
@@ -3,10 +3,10 @@
 // @noUnusedLocals: true
 // @noUnusedParameters: true
 
-////for (const { x } of [{}]) {}
+////for (const { x } of o) {}
 
 verify.codeFix({
     description: "Remove destructuring",
     newFileContent:
-`for (const {} of [{}]) {}`,
+`for (const {} of o) {}`,
 });
diff --git a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_nested.ts b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_nested.ts
index 03a8ff826c..73fca11392 100644
--- a/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_nested.ts
+++ b/tests/cases/fourslash/codeFixUnusedIdentifier_destructure_allUnused_nested.ts
@@ -4,11 +4,11 @@
 // @noUnusedParameters: true
 
 ////export {};
-////const { x: { a, b } } = {{}};
+////const { x: { a, b } } = o;
 
 verify.codeFix({
     description: "Remove destructuring",
     newFileContent:
 `export {};
-const { } = {{}};`,
+const { } = o;`,
 });