diff --git a/Tests/DependencyInjection/PropertyInfoPassTest.php b/Tests/DependencyInjection/PropertyInfoPassTest.php
index aea826e..a1db482 100644
--- a/Tests/DependencyInjection/PropertyInfoPassTest.php
+++ b/Tests/DependencyInjection/PropertyInfoPassTest.php
@@ -42,7 +42,7 @@ public function testServicesAreOrderedAccordingToPriority($index, $tag)
         $this->assertEquals($expected, $definition->getArgument($index));
     }
 
-    public function provideTags()
+    public static function provideTags()
     {
         return [
             [0, 'property_info.list_extractor'],
diff --git a/Tests/Extractor/PhpStanExtractorTest.php b/Tests/Extractor/PhpStanExtractorTest.php
index 467c076..a517e7a 100644
--- a/Tests/Extractor/PhpStanExtractorTest.php
+++ b/Tests/Extractor/PhpStanExtractorTest.php
@@ -58,7 +58,7 @@ public function testParamTagTypeIsOmitted()
         $this->assertNull($this->extractor->getTypes(PhpStanOmittedParamTagTypeDocBlock::class, 'omittedType'));
     }
 
-    public function invalidTypesProvider()
+    public static function invalidTypesProvider()
     {
         return [
             'pub' => ['pub'],
@@ -86,7 +86,7 @@ public function testExtractTypesWithNoPrefixes($property, array $type = null)
         $this->assertEquals($type, $noPrefixExtractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', $property));
     }
 
-    public function typesProvider()
+    public static function typesProvider()
     {
         return [
             ['foo', null],
@@ -139,7 +139,7 @@ public function testExtractCollection($property, array $type = null)
         $this->testExtract($property, $type);
     }
 
-    public function provideCollectionTypes()
+    public static function provideCollectionTypes()
     {
         return [
             ['iteratorCollection', [new Type(Type::BUILTIN_TYPE_OBJECT, false, 'Iterator', true, null, new Type(Type::BUILTIN_TYPE_STRING))]],
@@ -197,7 +197,7 @@ public function testExtractTypesWithCustomPrefixes($property, array $type = null
         $this->assertEquals($type, $customExtractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', $property));
     }
 
-    public function typesWithCustomPrefixesProvider()
+    public static function typesWithCustomPrefixesProvider()
     {
         return [
             ['foo', null],
@@ -235,7 +235,7 @@ public function typesWithCustomPrefixesProvider()
         ];
     }
 
-    public function typesWithNoPrefixesProvider()
+    public static function typesWithNoPrefixesProvider()
     {
         return [
             ['foo', null],
@@ -273,7 +273,7 @@ public function typesWithNoPrefixesProvider()
         ];
     }
 
-    public function dockBlockFallbackTypesProvider()
+    public static function dockBlockFallbackTypesProvider()
     {
         return [
             'pub' => [
@@ -304,7 +304,7 @@ public function testPropertiesDefinedByTraits(string $property, Type $type)
         $this->assertEquals([$type], $this->extractor->getTypes(DummyUsingTrait::class, $property));
     }
 
-    public function propertiesDefinedByTraitsProvider(): array
+    public static function propertiesDefinedByTraitsProvider(): array
     {
         return [
             ['propertyInTraitPrimitiveType', new Type(Type::BUILTIN_TYPE_STRING)],
@@ -321,7 +321,7 @@ public function testPropertiesStaticType(string $class, string $property, Type $
         $this->assertEquals([$type], $this->extractor->getTypes($class, $property));
     }
 
-    public function propertiesStaticTypeProvider(): array
+    public static function propertiesStaticTypeProvider(): array
     {
         return [
             [ParentDummy::class, 'propertyTypeStatic', new Type(Type::BUILTIN_TYPE_OBJECT, false, ParentDummy::class)],
@@ -337,7 +337,7 @@ public function testPropertiesParentType(string $class, string $property, ?array
         $this->assertEquals($types, $this->extractor->getTypes($class, $property));
     }
 
-    public function propertiesParentTypeProvider(): array
+    public static function propertiesParentTypeProvider(): array
     {
         return [
             [ParentDummy::class, 'parentAnnotationNoParent', [new Type(Type::BUILTIN_TYPE_OBJECT, false, 'parent')]],
@@ -353,7 +353,7 @@ public function testExtractConstructorTypes($property, array $type = null)
         $this->assertEquals($type, $this->extractor->getTypesFromConstructor('Symfony\Component\PropertyInfo\Tests\Fixtures\ConstructorDummy', $property));
     }
 
-    public function constructorTypesProvider()
+    public static function constructorTypesProvider()
     {
         return [
             ['date', [new Type(Type::BUILTIN_TYPE_INT)]],
@@ -372,7 +372,7 @@ public function testExtractorUnionTypes(string $property, ?array $types)
         $this->assertEquals($types, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\DummyUnionType', $property));
     }
 
-    public function unionTypesProvider(): array
+    public static function unionTypesProvider(): array
     {
         return [
             ['a', [new Type(Type::BUILTIN_TYPE_STRING), new Type(Type::BUILTIN_TYPE_INT)]],
@@ -410,7 +410,7 @@ public function testExtractorIntRangeType(string $property, ?array $types)
         $this->assertEquals($types, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\IntRangeDummy', $property));
     }
 
-    public function intRangeTypeProvider(): array
+    public static function intRangeTypeProvider(): array
     {
         return [
             ['a', [new Type(Type::BUILTIN_TYPE_INT)]],
diff --git a/Tests/Extractor/ReflectionExtractorTest.php b/Tests/Extractor/ReflectionExtractorTest.php
index e17e203..b795558 100644
--- a/Tests/Extractor/ReflectionExtractorTest.php
+++ b/Tests/Extractor/ReflectionExtractorTest.php
@@ -207,7 +207,7 @@ public function testExtractors($property, array $type = null)
         $this->assertEquals($type, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', $property, []));
     }
 
-    public function typesProvider()
+    public static function typesProvider()
     {
         return [
             ['a', null],
@@ -234,7 +234,7 @@ public function testExtractPhp7Type(string $class, string $property, array $type
         $this->assertEquals($type, $this->extractor->getTypes($class, $property, []));
     }
 
-    public function php7TypesProvider()
+    public static function php7TypesProvider()
     {
         return [
             [Php7Dummy::class, 'foo', [new Type(Type::BUILTIN_TYPE_ARRAY, false, null, true)]],
@@ -255,7 +255,7 @@ public function testExtractPhp71Type($property, array $type = null)
         $this->assertEquals($type, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Php71Dummy', $property, []));
     }
 
-    public function php71TypesProvider()
+    public static function php71TypesProvider()
     {
         return [
             ['foo', [new Type(Type::BUILTIN_TYPE_ARRAY, true, null, true)]],
@@ -276,7 +276,7 @@ public function testExtractPhp80Type($property, array $type = null)
         $this->assertEquals($type, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Php80Dummy', $property, []));
     }
 
-    public function php80TypesProvider()
+    public static function php80TypesProvider()
     {
         return [
             ['foo', [new Type(Type::BUILTIN_TYPE_ARRAY, true, null, true)]],
@@ -300,7 +300,7 @@ public function testExtractPhp81Type($property, array $type = null)
         $this->assertEquals($type, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Php81Dummy', $property, []));
     }
 
-    public function php81TypesProvider()
+    public static function php81TypesProvider()
     {
         return [
             ['nothing', null],
@@ -326,7 +326,7 @@ public function testExtractPhp82Type($property, array $type = null)
         $this->assertEquals($type, $this->extractor->getTypes('Symfony\Component\PropertyInfo\Tests\Fixtures\Php82Dummy', $property, []));
     }
 
-    public function php82TypesProvider(): iterable
+    public static function php82TypesProvider(): iterable
     {
         yield ['nil', null];
         yield ['false', [new Type(Type::BUILTIN_TYPE_FALSE)]];
@@ -344,7 +344,7 @@ public function testExtractWithDefaultValue($property, $type)
         $this->assertEquals($type, $this->extractor->getTypes(DefaultValue::class, $property, []));
     }
 
-    public function defaultValueProvider()
+    public static function defaultValueProvider()
     {
         return [
             ['defaultInt', [new Type(Type::BUILTIN_TYPE_INT, false)]],
@@ -366,7 +366,7 @@ public function testIsReadable($property, $expected)
         );
     }
 
-    public function getReadableProperties()
+    public static function getReadableProperties()
     {
         return [
             ['bar', false],
@@ -397,7 +397,7 @@ public function testIsWritable($property, $expected)
         );
     }
 
-    public function getWritableProperties()
+    public static function getWritableProperties()
     {
         return [
             ['bar', false],
@@ -451,7 +451,7 @@ public function testIsInitializable(string $class, string $property, bool $expec
         $this->assertSame($expected, $this->extractor->isInitializable($class, $property));
     }
 
-    public function getInitializableProperties(): array
+    public static function getInitializableProperties(): array
     {
         return [
             [Php71Dummy::class, 'string', true],
@@ -475,7 +475,7 @@ public function testExtractTypeConstructor(string $class, string $property, arra
         $this->assertNull($this->extractor->getTypes($class, $property, ['enable_constructor_extraction' => false]));
     }
 
-    public function constructorTypesProvider(): array
+    public static function constructorTypesProvider(): array
     {
         return [
             // php71 dummy has following constructor: __construct(string $string, int $intPrivate)
@@ -534,7 +534,7 @@ public function testGetReadAccessor($class, $property, $found, $type, $name, $vi
         $this->assertSame($static, $readAcessor->isStatic());
     }
 
-    public function readAccessorProvider(): array
+    public static function readAccessorProvider(): array
     {
         return [
             [Dummy::class, 'bar', true, PropertyReadInfo::TYPE_PROPERTY, 'bar', PropertyReadInfo::VISIBILITY_PRIVATE, false],
@@ -592,7 +592,7 @@ public function testGetWriteMutator($class, $property, $allowConstruct, $found,
         }
     }
 
-    public function writeMutatorProvider(): array
+    public static function writeMutatorProvider(): array
     {
         return [
             [Dummy::class, 'bar', false, true, PropertyWriteInfo::TYPE_PROPERTY, 'bar', null, null, PropertyWriteInfo::VISIBILITY_PRIVATE, false],
@@ -650,7 +650,7 @@ public function testExtractConstructorTypes(string $property, array $type = null
         $this->assertEquals($type, $this->extractor->getTypesFromConstructor('Symfony\Component\PropertyInfo\Tests\Fixtures\ConstructorDummy', $property));
     }
 
-    public function extractConstructorTypesProvider(): array
+    public static function extractConstructorTypesProvider(): array
     {
         return [
             ['timezone', [new Type(Type::BUILTIN_TYPE_OBJECT, false, 'DateTimeZone')]],