diff --git a/.github/rm-invalid-lowest-lock-files.php b/.github/rm-invalid-lowest-lock-files.php
index c714632621..3105942a09 100644
--- a/.github/rm-invalid-lowest-lock-files.php
+++ b/.github/rm-invalid-lowest-lock-files.php
@@ -79,7 +79,7 @@ foreach ($composerJsons as list($dir, $lockedPackages)) {
             continue 2;
         }
 
-        if (isset($composerJsons[$name][2]['repositories']) && !isset($lockedJson[$key]['repositories'])) {
+        if (isset($composerJsons[$name][2]['repositories']) && !isset($lockedJson['repositories'])) {
             // the locked package has been patched locally but the lock references a commit,
             // which means the referencing package itself is not modified
             continue;
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ContainerBagTest.php b/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ContainerBagTest.php
index a5e358dd1f..7b9d1dc5da 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ContainerBagTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ContainerBagTest.php
@@ -26,7 +26,7 @@ class ContainerBagTest extends TestCase
     /** @var ContainerBag */
     private $containerBag;
 
-    public function setUp()
+    protected function setUp()
     {
         $this->parameterBag = new ParameterBag(array('foo' => 'value'));
         $this->containerBag = new ContainerBag(new Container($this->parameterBag));
diff --git a/src/Symfony/Component/Lock/Tests/Store/CombinedStoreTest.php b/src/Symfony/Component/Lock/Tests/Store/CombinedStoreTest.php
index 699a3072b3..f2c55b056b 100644
--- a/src/Symfony/Component/Lock/Tests/Store/CombinedStoreTest.php
+++ b/src/Symfony/Component/Lock/Tests/Store/CombinedStoreTest.php
@@ -58,7 +58,7 @@ class CombinedStoreTest extends AbstractStoreTest
     /** @var CombinedStore */
     private $store;
 
-    public function setup()
+    protected function setUp()
     {
         $this->strategy = $this->getMockBuilder(StrategyInterface::class)->getMock();
         $this->store1 = $this->getMockBuilder(StoreInterface::class)->getMock();
diff --git a/src/Symfony/Component/Lock/Tests/Strategy/ConsensusStrategyTest.php b/src/Symfony/Component/Lock/Tests/Strategy/ConsensusStrategyTest.php
index 87e83a9925..b8c09dfb31 100644
--- a/src/Symfony/Component/Lock/Tests/Strategy/ConsensusStrategyTest.php
+++ b/src/Symfony/Component/Lock/Tests/Strategy/ConsensusStrategyTest.php
@@ -22,7 +22,7 @@ class ConsensusStrategyTest extends TestCase
     /** @var ConsensusStrategy */
     private $strategy;
 
-    public function setup()
+    protected function setUp()
     {
         $this->strategy = new ConsensusStrategy();
     }
diff --git a/src/Symfony/Component/Lock/Tests/Strategy/UnanimousStrategyTest.php b/src/Symfony/Component/Lock/Tests/Strategy/UnanimousStrategyTest.php
index beff54a685..4e63e6b4e2 100644
--- a/src/Symfony/Component/Lock/Tests/Strategy/UnanimousStrategyTest.php
+++ b/src/Symfony/Component/Lock/Tests/Strategy/UnanimousStrategyTest.php
@@ -22,7 +22,7 @@ class UnanimousStrategyTest extends TestCase
     /** @var UnanimousStrategy */
     private $strategy;
 
-    public function setup()
+    protected function setUp()
     {
         $this->strategy = new UnanimousStrategy();
     }
diff --git a/src/Symfony/Component/Security/Csrf/Tests/CsrfTokenManagerTest.php b/src/Symfony/Component/Security/Csrf/Tests/CsrfTokenManagerTest.php
index 214a189e99..2ec282144c 100644
--- a/src/Symfony/Component/Security/Csrf/Tests/CsrfTokenManagerTest.php
+++ b/src/Symfony/Component/Security/Csrf/Tests/CsrfTokenManagerTest.php
@@ -210,12 +210,12 @@ class CsrfTokenManagerTest extends TestCase
         );
     }
 
-    public function setUp()
+    protected function setUp()
     {
         $_SERVER['HTTPS'] = 'on';
     }
 
-    public function tearDown()
+    protected function tearDown()
     {
         parent::tearDown();