diff --git a/src/dstr-assignment-for-await/obj-rest-nested-obj-nested-rest.case b/src/dstr-assignment-for-await/obj-rest-nested-obj-nested-rest.case
deleted file mode 100644
index 716958f7e4feb40122c31cbd4a0fee18e6e6c460..0000000000000000000000000000000000000000
--- a/src/dstr-assignment-for-await/obj-rest-nested-obj-nested-rest.case
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright (C) 2017 Caio Lima & the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-desc: >
-    When DestructuringAssignmentTarget is an object literal, it should be parsed
-    parsed as a DestructuringAssignmentPattern and evaluated as a destructuring
-    assignment and object rest desconstruction is allowed in that case.
-template: default
-esid: pending
-includes: [propertyHelper.js]
-features: [object-rest]
----*/
-
-//- setup
-let a, b, c, rest;
-//- elems
-{a, b, ...{c, ...rest}}
-//- vals
-{a: 1, b: 2, c: 3, d: 4, e: 5}
-//- body
-assert.sameValue(a, 1);
-assert.sameValue(b, 2);
-assert.sameValue(c, 3);
-
-assert.sameValue(rest.d, 4);
-assert.sameValue(rest.e, 5);
-
-verifyEnumerable(rest, "d");
-verifyWritable(rest, "d");
-verifyConfigurable(rest, "d");
-
-verifyEnumerable(rest, "e");
-verifyWritable(rest, "e");
-verifyConfigurable(rest, "e");
-
-//- teardown
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/src/dstr-assignment-for-await/obj-rest-nested-obj.case b/src/dstr-assignment-for-await/obj-rest-nested-obj.case
deleted file mode 100644
index e2b18b84b85b930ac222589ba02222e9cf23cc06..0000000000000000000000000000000000000000
--- a/src/dstr-assignment-for-await/obj-rest-nested-obj.case
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright (C) 2017 Caio Lima & the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-desc: >
-    When DestructuringAssignmentTarget is an object literal, it should be parsed
-    parsed as a DestructuringAssignmentPattern and evaluated as a destructuring
-    assignment.
-template: default
-esid: pending
-features: [object-rest]
----*/
-
-//- setup
-let a, b, c, d, e;
-//- elems
-{a, b, ...{c, e}}
-//- vals
-{a: 1, b: 2, c: 3, d: 4, e: 5}
-//- body
-assert.sameValue(a, 1);
-assert.sameValue(b, 2);
-assert.sameValue(c, 3);
-assert.sameValue(e, 5);
-assert.sameValue(d, undefined);
-
-//- teardown
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/src/dstr-assignment-for-await/obj-rest-obj-own-property.case b/src/dstr-assignment-for-await/obj-rest-obj-own-property.case
deleted file mode 100644
index e804894b202b5673c0995d2fbaedaa64a8e8e6ea..0000000000000000000000000000000000000000
--- a/src/dstr-assignment-for-await/obj-rest-obj-own-property.case
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (C) 2017 Caio Lima & the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-desc: >
-    Rest object contains just source object's own properties
-template: default
-esid: pending
-features: [object-rest]
----*/
-
-//- setup
-let o = Object.create({ x: 1, y: 2 });
-o.z = 3;
-
-let x, y, z;
-//- elems
-{ x, ...{y , z} }
-//- vals
-o
-//- body
-assert.sameValue(x, 1);
-assert.sameValue(y, undefined);
-assert.sameValue(z, 3);
-
-//- teardown
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-nested-obj-nested-rest.js b/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-nested-obj-nested-rest.js
deleted file mode 100644
index 76bebde8c801ffa48bbf795b3541b780bbd62aa5..0000000000000000000000000000000000000000
--- a/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-nested-obj-nested-rest.js
+++ /dev/null
@@ -1,56 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment-for-await/obj-rest-nested-obj-nested-rest.case
-// - src/dstr-assignment-for-await/default/async-func-decl.template
-/*---
-description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment and object rest desconstruction is allowed in that case. (for-await-of statement in an async function declaration)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-features: [object-rest, destructuring-binding, async-iteration]
-flags: [generated, async]
-includes: [propertyHelper.js]
-info: |
-    IterationStatement :
-      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
-
-    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
-       AssignmentExpression, iterate).
-    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
-       keyResult, assignment, labelSet).
-
-    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
-
-    [...]
-    5. If destructuring is true and if lhsKind is assignment, then
-       a. Assert: lhs is a LeftHandSideExpression.
-       b. Let assignmentPattern be the parse of the source text corresponding to
-          lhs using AssignmentPattern as the goal symbol.
-    [...]
----*/
-let a, b, c, rest;
-
-let iterCount = 0;
-async function fn() {
-  for await ({a, b, ...{c, ...rest}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
-    assert.sameValue(a, 1);
-    assert.sameValue(b, 2);
-    assert.sameValue(c, 3);
-
-    assert.sameValue(rest.d, 4);
-    assert.sameValue(rest.e, 5);
-
-    verifyEnumerable(rest, "d");
-    verifyWritable(rest, "d");
-    verifyConfigurable(rest, "d");
-
-    verifyEnumerable(rest, "e");
-    verifyWritable(rest, "e");
-    verifyConfigurable(rest, "e");
-
-    iterCount += 1;
-  }
-}
-
-let promise = fn();
-
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-nested-obj.js b/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-nested-obj.js
deleted file mode 100644
index 4e9a477177cc856e36072cc39546c75530434bbf..0000000000000000000000000000000000000000
--- a/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-nested-obj.js
+++ /dev/null
@@ -1,46 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment-for-await/obj-rest-nested-obj.case
-// - src/dstr-assignment-for-await/default/async-func-decl.template
-/*---
-description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment. (for-await-of statement in an async function declaration)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-features: [object-rest, destructuring-binding, async-iteration]
-flags: [generated, async]
-info: |
-    IterationStatement :
-      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
-
-    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
-       AssignmentExpression, iterate).
-    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
-       keyResult, assignment, labelSet).
-
-    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
-
-    [...]
-    5. If destructuring is true and if lhsKind is assignment, then
-       a. Assert: lhs is a LeftHandSideExpression.
-       b. Let assignmentPattern be the parse of the source text corresponding to
-          lhs using AssignmentPattern as the goal symbol.
-    [...]
----*/
-let a, b, c, d, e;
-
-let iterCount = 0;
-async function fn() {
-  for await ({a, b, ...{c, e}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
-    assert.sameValue(a, 1);
-    assert.sameValue(b, 2);
-    assert.sameValue(c, 3);
-    assert.sameValue(e, 5);
-    assert.sameValue(d, undefined);
-
-    iterCount += 1;
-  }
-}
-
-let promise = fn();
-
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-obj-own-property.js b/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-obj-own-property.js
deleted file mode 100644
index 82bd5315a2061620a1640c61ecd6da544b6aa344..0000000000000000000000000000000000000000
--- a/test/language/statements/for-await-of/async-func-decl-dstr-obj-rest-obj-own-property.js
+++ /dev/null
@@ -1,47 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment-for-await/obj-rest-obj-own-property.case
-// - src/dstr-assignment-for-await/default/async-func-decl.template
-/*---
-description: Rest object contains just source object's own properties (for-await-of statement in an async function declaration)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-features: [object-rest, destructuring-binding, async-iteration]
-flags: [generated, async]
-info: |
-    IterationStatement :
-      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
-
-    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
-       AssignmentExpression, iterate).
-    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
-       keyResult, assignment, labelSet).
-
-    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
-
-    [...]
-    5. If destructuring is true and if lhsKind is assignment, then
-       a. Assert: lhs is a LeftHandSideExpression.
-       b. Let assignmentPattern be the parse of the source text corresponding to
-          lhs using AssignmentPattern as the goal symbol.
-    [...]
----*/
-let o = Object.create({ x: 1, y: 2 });
-o.z = 3;
-
-let x, y, z;
-
-let iterCount = 0;
-async function fn() {
-  for await ({ x, ...{y , z} } of [o]) {
-    assert.sameValue(x, 1);
-    assert.sameValue(y, undefined);
-    assert.sameValue(z, 3);
-
-    iterCount += 1;
-  }
-}
-
-let promise = fn();
-
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-nested-obj-nested-rest.js b/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-nested-obj-nested-rest.js
deleted file mode 100644
index 468ac18a9c7742ce10ad0f16475ff4c5e0b9522b..0000000000000000000000000000000000000000
--- a/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-nested-obj-nested-rest.js
+++ /dev/null
@@ -1,56 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment-for-await/obj-rest-nested-obj-nested-rest.case
-// - src/dstr-assignment-for-await/default/async-gen-decl.template
-/*---
-description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment and object rest desconstruction is allowed in that case. (for-await-of statement in an async generator declaration)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-features: [object-rest, destructuring-binding, async-iteration]
-flags: [generated, async]
-includes: [propertyHelper.js]
-info: |
-    IterationStatement :
-      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
-
-    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
-       AssignmentExpression, iterate).
-    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
-       keyResult, assignment, labelSet).
-
-    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
-
-    [...]
-    5. If destructuring is true and if lhsKind is assignment, then
-       a. Assert: lhs is a LeftHandSideExpression.
-       b. Let assignmentPattern be the parse of the source text corresponding to
-          lhs using AssignmentPattern as the goal symbol.
-    [...]
----*/
-let a, b, c, rest;
-
-let iterCount = 0;
-async function * fn() {
-  for await ({a, b, ...{c, ...rest}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
-    assert.sameValue(a, 1);
-    assert.sameValue(b, 2);
-    assert.sameValue(c, 3);
-
-    assert.sameValue(rest.d, 4);
-    assert.sameValue(rest.e, 5);
-
-    verifyEnumerable(rest, "d");
-    verifyWritable(rest, "d");
-    verifyConfigurable(rest, "d");
-
-    verifyEnumerable(rest, "e");
-    verifyWritable(rest, "e");
-    verifyConfigurable(rest, "e");
-
-    iterCount += 1;
-  }
-}
-
-let promise = fn().next();
-
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-nested-obj.js b/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-nested-obj.js
deleted file mode 100644
index 8575520e3dd506cc50d853772de1b7cab60c0a3c..0000000000000000000000000000000000000000
--- a/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-nested-obj.js
+++ /dev/null
@@ -1,46 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment-for-await/obj-rest-nested-obj.case
-// - src/dstr-assignment-for-await/default/async-gen-decl.template
-/*---
-description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment. (for-await-of statement in an async generator declaration)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-features: [object-rest, destructuring-binding, async-iteration]
-flags: [generated, async]
-info: |
-    IterationStatement :
-      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
-
-    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
-       AssignmentExpression, iterate).
-    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
-       keyResult, assignment, labelSet).
-
-    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
-
-    [...]
-    5. If destructuring is true and if lhsKind is assignment, then
-       a. Assert: lhs is a LeftHandSideExpression.
-       b. Let assignmentPattern be the parse of the source text corresponding to
-          lhs using AssignmentPattern as the goal symbol.
-    [...]
----*/
-let a, b, c, d, e;
-
-let iterCount = 0;
-async function * fn() {
-  for await ({a, b, ...{c, e}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
-    assert.sameValue(a, 1);
-    assert.sameValue(b, 2);
-    assert.sameValue(c, 3);
-    assert.sameValue(e, 5);
-    assert.sameValue(d, undefined);
-
-    iterCount += 1;
-  }
-}
-
-let promise = fn().next();
-
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);
diff --git a/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-obj-own-property.js b/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-obj-own-property.js
deleted file mode 100644
index bb13d0af3ecd41bbcc04d6c26a280a9d17d09225..0000000000000000000000000000000000000000
--- a/test/language/statements/for-await-of/async-gen-decl-dstr-obj-rest-obj-own-property.js
+++ /dev/null
@@ -1,47 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment-for-await/obj-rest-obj-own-property.case
-// - src/dstr-assignment-for-await/default/async-gen-decl.template
-/*---
-description: Rest object contains just source object's own properties (for-await-of statement in an async generator declaration)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-features: [object-rest, destructuring-binding, async-iteration]
-flags: [generated, async]
-info: |
-    IterationStatement :
-      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
-
-    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
-       AssignmentExpression, iterate).
-    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
-       keyResult, assignment, labelSet).
-
-    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
-
-    [...]
-    5. If destructuring is true and if lhsKind is assignment, then
-       a. Assert: lhs is a LeftHandSideExpression.
-       b. Let assignmentPattern be the parse of the source text corresponding to
-          lhs using AssignmentPattern as the goal symbol.
-    [...]
----*/
-let o = Object.create({ x: 1, y: 2 });
-o.z = 3;
-
-let x, y, z;
-
-let iterCount = 0;
-async function * fn() {
-  for await ({ x, ...{y , z} } of [o]) {
-    assert.sameValue(x, 1);
-    assert.sameValue(y, undefined);
-    assert.sameValue(z, 3);
-
-    iterCount += 1;
-  }
-}
-
-let promise = fn().next();
-
-promise
-  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
-  .then($DONE, $DONE);