diff --git a/src/params/syntax/async-gen-named-func-expr.template b/src/params/syntax/async-gen-named-func-expr.template
index 0fbde5d22f0b7bc071dd9e6d068e0c86e29a5e70..ba804028b18dbc61e9098bd3281a4a8b4ab9b627 100644
--- a/src/params/syntax/async-gen-named-func-expr.template
+++ b/src/params/syntax/async-gen-named-func-expr.template
@@ -13,7 +13,6 @@ info: |
         7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
            AsyncGeneratorBody, funcEnv, strict).
         [...]
-flags: [async]
 features: [async-iteration]
 ---*/
 
diff --git a/test/language/expressions/async-generator/params-named-dflt-duplicates.js b/test/language/expressions/async-generator/params-named-dflt-duplicates.js
index ab19b7c6b5a08daa39f91d9e26e6f32162e95e0d..65e95019c768914f168b327dee7ea354dfee912f 100644
--- a/test/language/expressions/async-generator/params-named-dflt-duplicates.js
+++ b/test/language/expressions/async-generator/params-named-dflt-duplicates.js
@@ -5,7 +5,7 @@
 description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (async generator named function expression)
 esid: sec-asyncgenerator-definitions-evaluation
 features: [default-parameters, async-iteration]
-flags: [generated, async]
+flags: [generated]
 negative:
   phase: early
   type: SyntaxError
diff --git a/test/language/expressions/async-generator/params-named-dflt-rest.js b/test/language/expressions/async-generator/params-named-dflt-rest.js
index 77783adfd1271e7d3e81f9ccbc18aedc69ba0285..8881488df7ce486c0138d81965969e7381b32650 100644
--- a/test/language/expressions/async-generator/params-named-dflt-rest.js
+++ b/test/language/expressions/async-generator/params-named-dflt-rest.js
@@ -5,7 +5,7 @@
 description: RestParameter does not support an initializer (async generator named function expression)
 esid: sec-asyncgenerator-definitions-evaluation
 features: [default-parameters, async-iteration]
-flags: [generated, async]
+flags: [generated]
 negative:
   phase: early
   type: SyntaxError
diff --git a/test/language/expressions/async-generator/params-named-trailing-comma-rest-early-error.js b/test/language/expressions/async-generator/params-named-trailing-comma-rest-early-error.js
index 83ea09a7a685edc3f1f46b73e54236da20c1b1b3..93ea1b70998f06f63d8248f6c840aca6bc8e2fa9 100644
--- a/test/language/expressions/async-generator/params-named-trailing-comma-rest-early-error.js
+++ b/test/language/expressions/async-generator/params-named-trailing-comma-rest-early-error.js
@@ -5,7 +5,7 @@
 description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (async generator named function expression)
 esid: sec-asyncgenerator-definitions-evaluation
 features: [async-iteration]
-flags: [generated, async]
+flags: [generated]
 negative:
   phase: early
   type: SyntaxError