diff --git a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-function-declaration.js b/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-function-declaration.js
deleted file mode 100644
index adedef2b9d..0000000000
--- a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-function-declaration.js
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (C) 2011 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-es6id: B.3.3
-description: >
-    redeclaration within block:
-    attempt to redeclare function declaration with function declaration
-negative:
-  phase: early
-  type: SyntaxError
-flags: [onlyStrict]
----*/
-{ function f() {} function f() {} }
-
diff --git a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-let.js b/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-let.js
deleted file mode 100644
index e8b8a57bde..0000000000
--- a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-let.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (C) 2011 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-es6id: B.3.3
-description: >
-    redeclaration within block:
-    attempt to redeclare function declaration with let
-negative:
-  phase: early
-  type: SyntaxError
----*/
-{ function f() {} let f; }
diff --git a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-var.js b/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-var.js
deleted file mode 100644
index c64bc6fc3f..0000000000
--- a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-var.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (C) 2011 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-es6id: B.3.3
-description: >
-    redeclaration within block:
-    attempt to redeclare function declaration with var
-negative:
-  phase: early
-  type: SyntaxError
----*/
-{ function f() {} var f; }
diff --git a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-binding-with-let.js b/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-binding-with-let.js
deleted file mode 100644
index 017f9340ea..0000000000
--- a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-binding-with-let.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (C) 2011 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-es6id: B.3.3
-description: >
-    redeclaration within block:
-    attempt to redeclare var binding with let
-negative:
-  phase: early
-  type: SyntaxError
----*/
-{ var f; let f; }
-
diff --git a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-with-function-declaration.js b/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-with-function-declaration.js
deleted file mode 100644
index 51a846665e..0000000000
--- a/test/language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-with-function-declaration.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (C) 2011 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-es6id: B.3.3
-description: >
-    redeclaration within block:
-    attempt to redeclare var with function declaration
-negative:
-  phase: early
-  type: SyntaxError
----*/
-{ var f; function f() {} }
-
diff --git a/test/language/statements/switch/early-lex-dup.js b/test/language/statements/switch/early-lex-dup.js
deleted file mode 100644
index c9896a5275..0000000000
--- a/test/language/statements/switch/early-lex-dup.js
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright (C) 2016 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-esid: sec-switch-statement-static-semantics-early-errors
-es6id: 13.12.1
-description: Syntax error from duplicate lexical variables
-info: >
-  It is a Syntax Error if the LexicallyDeclaredNames of CaseBlock contains any
-  duplicate entries.
-negative:
-  phase: early
-  type: SyntaxError
-features: [let, const]
----*/
-
-switch (0) {
-  case 1:
-    let test262id;
-    break;
-  default:
-    const test262id = null;
-}
diff --git a/test/language/statements/switch/early-lex-var-collision.js b/test/language/statements/switch/early-lex-var-collision.js
deleted file mode 100644
index 9150eb4984..0000000000
--- a/test/language/statements/switch/early-lex-var-collision.js
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (C) 2016 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-/*---
-esid: sec-switch-statement-static-semantics-early-errors
-es6id: 13.12.1
-description: >
-  Syntax error from collisions between lexical variables and var-declarared
-  variables
-info: >
-  It is a Syntax Error if any element of the LexicallyDeclaredNames of
-  CaseClauses also occurs in the VarDeclaredNames of CaseClauses.
-negative:
-  phase: early
-  type: SyntaxError
-features: [let]
----*/
-
-switch (0) {
-  case 1:
-    var test262id;
-    break;
-  default:
-    let test262id;
-}