core/modules/file/tests/src/Functional/Rest/FileResourceTestBase.php  | 4 ----
 .../taxonomy/tests/src/Functional/Rest/VocabularyResourceTestBase.php | 4 ----
 .../tests/src/Functional/EntityResource/WorkspaceResourceTestBase.php | 4 ----
 3 files changed, 12 deletions(-)

diff --git a/core/modules/file/tests/src/Functional/Rest/FileResourceTestBase.php b/core/modules/file/tests/src/Functional/Rest/FileResourceTestBase.php
index fb018c2..d784e58 100644
--- a/core/modules/file/tests/src/Functional/Rest/FileResourceTestBase.php
+++ b/core/modules/file/tests/src/Functional/Rest/FileResourceTestBase.php
@@ -220,10 +220,6 @@ public function testPost() {
    * {@inheritdoc}
    */
   protected function getExpectedUnauthorizedAccessMessage($method) {
-    if ($this->config('rest.settings')->get('bc_entity_resource_permissions')) {
-      return parent::getExpectedUnauthorizedAccessMessage($method);
-    }
-
     if ($method === 'GET') {
       return "The 'access content' permission is required.";
     }
diff --git a/core/modules/taxonomy/tests/src/Functional/Rest/VocabularyResourceTestBase.php b/core/modules/taxonomy/tests/src/Functional/Rest/VocabularyResourceTestBase.php
index b1e87d9..eeb9d44 100644
--- a/core/modules/taxonomy/tests/src/Functional/Rest/VocabularyResourceTestBase.php
+++ b/core/modules/taxonomy/tests/src/Functional/Rest/VocabularyResourceTestBase.php
@@ -70,10 +70,6 @@ protected function getNormalizedPostEntity() {
    * {@inheritdoc}
    */
   protected function getExpectedUnauthorizedAccessMessage($method) {
-    if ($this->config('rest.settings')->get('bc_entity_resource_permissions')) {
-      return parent::getExpectedUnauthorizedAccessMessage($method);
-    }
-
     if ($method === 'GET') {
       return "The following permissions are required: 'access taxonomy overview' OR 'administer taxonomy'.";
     }
diff --git a/core/modules/workspace/tests/src/Functional/EntityResource/WorkspaceResourceTestBase.php b/core/modules/workspace/tests/src/Functional/EntityResource/WorkspaceResourceTestBase.php
index 8241483..2008bbe 100644
--- a/core/modules/workspace/tests/src/Functional/EntityResource/WorkspaceResourceTestBase.php
+++ b/core/modules/workspace/tests/src/Functional/EntityResource/WorkspaceResourceTestBase.php
@@ -189,10 +189,6 @@ protected function getNormalizedPatchEntity() {
    * {@inheritdoc}
    */
   protected function getExpectedUnauthorizedAccessMessage($method) {
-    if ($this->config('rest.settings')->get('bc_entity_resource_permissions')) {
-      return parent::getExpectedUnauthorizedAccessMessage($method);
-    }
-
     switch ($method) {
       case 'GET':
         return "The 'view any workspace' permission is required.";