diff --git a/.gitattributes b/.gitattributes
index 14c3c3594..84c7add05 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,4 @@
 /Tests export-ignore
 /phpunit.xml.dist export-ignore
-/.git* export-ignore
+/.gitattributes export-ignore
+/.gitignore export-ignore
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
deleted file mode 100644
index 4689c4dad..000000000
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ /dev/null
@@ -1,8 +0,0 @@
-Please do not submit any Pull Requests here. They will be closed.
----
-
-Please submit your PR here instead:
-https://github.com/symfony/symfony
-
-This repository is what we call a "subtree split": a read-only subset of that main repository.
-We're looking forward to your PR there!
diff --git a/.github/workflows/check-subtree-split.yml b/.github/workflows/check-subtree-split.yml
deleted file mode 100644
index 16be48bae..000000000
--- a/.github/workflows/check-subtree-split.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-name: Check subtree split
-
-on:
-  pull_request_target:
-
-jobs:
-  close-pull-request:
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Close pull request
-      uses: actions/github-script@v6
-      with:
-        script: |
-          if (context.repo.owner === "symfony") {
-            github.rest.issues.createComment({
-              owner: "symfony",
-              repo: context.repo.repo,
-              issue_number: context.issue.number,
-              body: `
-          Thanks for your Pull Request! We love contributions.
-
-          However, you should instead open your PR on the main repository:
-          https://github.com/symfony/symfony
-
-          This repository is what we call a "subtree split": a read-only subset of that main repository.
-          We're looking forward to your PR there!
-          `
-            });
-
-            github.rest.pulls.update({
-              owner: "symfony",
-              repo: context.repo.repo,
-              pull_number: context.issue.number,
-              state: "closed"
-            });
-          }
diff --git a/Tests/ApplicationTest.php b/Tests/ApplicationTest.php
index ca85c24b1..d8e1ae8b9 100644
--- a/Tests/ApplicationTest.php
+++ b/Tests/ApplicationTest.php
@@ -44,6 +44,7 @@
 use Symfony\Component\Console\SignalRegistry\SignalRegistry;
 use Symfony\Component\Console\Terminal;
 use Symfony\Component\Console\Tester\ApplicationTester;
+use Symfony\Component\Console\Tests\Fixtures\MockableAppliationWithTerminalWidth;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\EventDispatcher\EventDispatcher;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -932,7 +933,9 @@ public function testRenderExceptionEscapesLines()
 
     public function testRenderExceptionLineBreaks()
     {
-        $application = $this->getMockBuilder(Application::class)->addMethods(['getTerminalWidth'])->getMock();
+        $application = $this->getMockBuilder(MockableAppliationWithTerminalWidth::class)
+            ->onlyMethods(['getTerminalWidth'])
+            ->getMock();
         $application->setAutoExit(false);
         $application->expects($this->any())
             ->method('getTerminalWidth')
diff --git a/Tests/Fixtures/MockableAppliationWithTerminalWidth.php b/Tests/Fixtures/MockableAppliationWithTerminalWidth.php
new file mode 100644
index 000000000..7f094ff3c
--- /dev/null
+++ b/Tests/Fixtures/MockableAppliationWithTerminalWidth.php
@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Tests\Fixtures;
+
+use Symfony\Component\Console\Application;
+
+class MockableAppliationWithTerminalWidth extends Application
+{
+    public function getTerminalWidth(): int
+    {
+        return 0;
+    }
+}
diff --git a/Tests/Question/QuestionTest.php b/Tests/Question/QuestionTest.php
index 6e8053a35..0bc6f75db 100644
--- a/Tests/Question/QuestionTest.php
+++ b/Tests/Question/QuestionTest.php
@@ -157,7 +157,7 @@ public function testSetAutocompleterValuesInvalid($values)
     public function testSetAutocompleterValuesWithTraversable()
     {
         $question1 = new Question('Test question 1');
-        $iterator1 = $this->getMockForAbstractClass(\IteratorAggregate::class);
+        $iterator1 = $this->createMock(\IteratorAggregate::class);
         $iterator1
             ->expects($this->once())
             ->method('getIterator')
@@ -165,7 +165,7 @@ public function testSetAutocompleterValuesWithTraversable()
         $question1->setAutocompleterValues($iterator1);
 
         $question2 = new Question('Test question 2');
-        $iterator2 = $this->getMockForAbstractClass(\IteratorAggregate::class);
+        $iterator2 = $this->createMock(\IteratorAggregate::class);
         $iterator2
             ->expects($this->once())
             ->method('getIterator')

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