diff --git a/test/language/expressions/optional-chaining/early-errors-tail-position-template-string.js b/test/language/expressions/optional-chaining/early-errors-tail-position-template-string.js
index 1187520678c..fabc513a6b2 100644
--- a/test/language/expressions/optional-chaining/early-errors-tail-position-template-string.js
+++ b/test/language/expressions/optional-chaining/early-errors-tail-position-template-string.js
@@ -15,7 +15,7 @@ negative:
 
 $DONOTEVALUATE();
 
-const a = {fn: () => {}};
+const a = {fn() {}};
 
 a?.fn
   `hello`;
diff --git a/test/language/expressions/optional-chaining/member-expression-optional-chain.js b/test/language/expressions/optional-chaining/member-expression-optional-chain.js
index 47ed28571a8..b5586cdf96d 100644
--- a/test/language/expressions/optional-chaining/member-expression-optional-chain.js
+++ b/test/language/expressions/optional-chaining/member-expression-optional-chain.js
@@ -17,7 +17,7 @@ const i = 0;
 const obj = {
   a: 'hello',
   b: {val: 13},
-  c: (arg1) => {
+  c(arg1) {
     return arg1 * 2;
   },
   arr: [11, 12]