diff --git a/tests/CacheTestBase.php b/tests/CacheTestBase.php
index 48106953..b3e53c11 100644
--- a/tests/CacheTestBase.php
+++ b/tests/CacheTestBase.php
@@ -37,7 +37,7 @@ public function testCacheFactory(string $cacheDriver, array $cacheOptions, strin
         $this->assertInstanceOf($expectedClass, $this->getCache($cacheDriver, $cacheOptions));
     }
 
-    static public function cacheFactoryProvider(): Generator
+    public static function cacheFactoryProvider(): Generator
     {
         yield 'file' => [
             'file', [], Cache\CacheFile::class,
diff --git a/tests/HttpTest.php b/tests/HttpTest.php
index d14ae5ae..9efe4f8c 100644
--- a/tests/HttpTest.php
+++ b/tests/HttpTest.php
@@ -92,7 +92,7 @@ public function testResponseWithCode(int $responseCode)
         $this->assertEquals($responseCode, $resp->getResponseCode());
     }
 
-    static public function responseWithCodeProvider(): Generator
+    public static function responseWithCodeProvider(): Generator
     {
         yield 'HTTP 202 Created' => [202];
         yield 'HTTP 404 Not Found' => [404];
diff --git a/tests/ImageTestBase.php b/tests/ImageTestBase.php
index 927ee7bb..0eb22ee2 100644
--- a/tests/ImageTestBase.php
+++ b/tests/ImageTestBase.php
@@ -56,7 +56,7 @@ public function testRender(string $typeToRender, int $expectedType, string $expe
         $this->assertEquals($expectMimeType, $img->getMimeType());
     }
 
-    static public function renderDataProvider(): Generator
+    public static function renderDataProvider(): Generator
     {
         yield 'jpeg' => [ 'jpeg', IMAGETYPE_JPEG, 'image/jpeg'];
         yield 'png' => [ 'png', IMAGETYPE_PNG, 'image/png'];
diff --git a/tests/ResponseTest.php b/tests/ResponseTest.php
index c2fc3680..34873698 100644
--- a/tests/ResponseTest.php
+++ b/tests/ResponseTest.php
@@ -184,7 +184,7 @@ public function testIfModifiedSinceLastModified($lastModified, $headerValue, $ex
     /**
      * @return array
      */
-    static public function ifModifiedSinceLastModifiedDataProvider(): array
+    public static function ifModifiedSinceLastModifiedDataProvider(): array
     {
         return [
             [null, null, false],
@@ -227,7 +227,7 @@ public function testIfModifiedSinceETag($eTag, $headerValue, $expected)
     /**
      * @return array
      */
-    static public function ifModifiedSinceETagDataProvider(): array
+    public static function ifModifiedSinceETagDataProvider(): array
     {
         return [
             [null, null, false],
diff --git a/tests/RouterTest.php b/tests/RouterTest.php
index 6fb0ef4a..59703595 100644
--- a/tests/RouterTest.php
+++ b/tests/RouterTest.php
@@ -34,7 +34,7 @@ public function testGetPathPrefix(string $homeUrl, string $expected)
         $this->assertEquals($expected, $router->getPathPrefix());
     }
 
-    static public function getPathPrefixDataProvider(): Generator
+    public static function getPathPrefixDataProvider(): Generator
     {
         // parse_url( PHP_URL_PATH ) gives null in this case
         yield 'Home page at root' => [