diff --git a/src/dstr-assignment/array-elem-init-simple-strict.case b/src/dstr-assignment/array-elem-init-simple-strict.case
deleted file mode 100644
index 3db58d5504..0000000000
--- a/src/dstr-assignment/array-elem-init-simple-strict.case
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (C) 2015 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-desc: >
-    It is a Syntax Error if LeftHandSideExpression is neither an
-    ObjectLiteral nor an ArrayLiteral and
-    IsValidSimpleAssignmentTarget(LeftHandSideExpression) is
-    false.
-template: syntax
-es6id: 12.14.5.1
-flags: [onlyStrict]
-negative:
-  phase: early
-  type: SyntaxError
----*/
-
-//- elems
-[arguments]
-//- values
-[]
diff --git a/test/language/expressions/assignment/dstr-array-elem-init-simple-strict.js b/test/language/expressions/assignment/dstr-array-elem-init-simple-strict.js
deleted file mode 100644
index fc664f2025..0000000000
--- a/test/language/expressions/assignment/dstr-array-elem-init-simple-strict.js
+++ /dev/null
@@ -1,23 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment/array-elem-init-simple-strict.case
-// - src/dstr-assignment/syntax/assignment-expr.template
-/*---
-description: It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is false. (AssignmentExpression)
-esid: sec-variable-statement-runtime-semantics-evaluation
-es6id: 13.3.2.4
-features: [destructuring-binding]
-flags: [generated, onlyStrict]
-negative:
-  phase: early
-  type: SyntaxError
-info: |
-    VariableDeclaration : BindingPattern Initializer
-
-    1. Let rhs be the result of evaluating Initializer.
-    2. Let rval be GetValue(rhs).
-    3. ReturnIfAbrupt(rval).
-    4. Return the result of performing BindingInitialization for
-       BindingPattern passing rval and undefined as arguments.
----*/
-
-0, [arguments] = ;
diff --git a/test/language/statements/for-in/dstr-array-elem-init-simple-strict.js b/test/language/statements/for-in/dstr-array-elem-init-simple-strict.js
deleted file mode 100644
index 3623a69496..0000000000
--- a/test/language/statements/for-in/dstr-array-elem-init-simple-strict.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment/array-elem-init-simple-strict.case
-// - src/dstr-assignment/syntax/for-in.template
-/*---
-description: It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is false. (For..in statement)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-es6id: 13.7.5.11
-features: [destructuring-binding]
-flags: [generated, onlyStrict]
-negative:
-  phase: early
-  type: SyntaxError
-info: |
-    IterationStatement :
-      for ( 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
-
-    [...]
-    4. 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.
-    [...]
----*/
-
-for ([arguments] in []) ;
diff --git a/test/language/statements/for-of/dstr-array-elem-init-simple-strict.js b/test/language/statements/for-of/dstr-array-elem-init-simple-strict.js
deleted file mode 100644
index 2c4c7011f5..0000000000
--- a/test/language/statements/for-of/dstr-array-elem-init-simple-strict.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// This file was procedurally generated from the following sources:
-// - src/dstr-assignment/array-elem-init-simple-strict.case
-// - src/dstr-assignment/syntax/for-of.template
-/*---
-description: It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is false. (For..of statement)
-esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
-es6id: 13.7.5.11
-features: [destructuring-binding]
-flags: [generated, onlyStrict]
-negative:
-  phase: early
-  type: SyntaxError
-info: |
-    IterationStatement :
-      for ( 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
-
-    [...]
-    4. 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.
-    [...]
----*/
-
-for ([arguments] of []) ;