diff --git a/tests/Service/Auth/AuthCryptoGatewayTest.php b/tests/Service/Auth/AuthCryptoGatewayTest.php
deleted file mode 100644
index e1e9c77..0000000
--- a/tests/Service/Auth/AuthCryptoGatewayTest.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-namespace MintyPHP\Tests\Service\Auth;
-
-use MintyPHP\Service\Auth\AuthCryptoGateway;
-use PHPUnit\Framework\TestCase;
-
-final class AuthCryptoGatewayTest extends TestCase
-{
-    private AuthCryptoGateway $gateway;
-
-    protected function setUp(): void
-    {
-        if (!defined('APP_CRYPTO_KEY')) {
-            define('APP_CRYPTO_KEY', str_repeat('ab', 32));
-        }
-
-        $this->gateway = new AuthCryptoGateway();
-    }
-
-    public function testIsConfiguredReturnsTrueWhenKeyIsSet(): void
-    {
-        self::assertTrue($this->gateway->isConfigured());
-    }
-
-    public function testEncryptDecryptDelegatesToCrypto(): void
-    {
-        $plaintext = 'auth-secret';
-        $encrypted = $this->gateway->encryptString($plaintext);
-
-        self::assertNotSame($plaintext, $encrypted);
-        self::assertSame($plaintext, $this->gateway->decryptString($encrypted));
-    }
-}
diff --git a/tests/Service/Settings/SettingsCryptoGatewayTest.php b/tests/Service/Settings/SettingsCryptoGatewayTest.php
deleted file mode 100644
index b57e72f..0000000
--- a/tests/Service/Settings/SettingsCryptoGatewayTest.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-namespace MintyPHP\Tests\Service\Settings;
-
-use MintyPHP\Service\Settings\SettingsCryptoGateway;
-use MintyPHP\Service\Settings\SettingsCryptoGatewayInterface;
-use PHPUnit\Framework\TestCase;
-
-final class SettingsCryptoGatewayTest extends TestCase
-{
-    protected function setUp(): void
-    {
-        if (!defined('APP_CRYPTO_KEY')) {
-            define('APP_CRYPTO_KEY', str_repeat('ab', 32));
-        }
-    }
-
-    public function testImplementsSettingsCryptoGatewayInterface(): void
-    {
-        self::assertInstanceOf(SettingsCryptoGatewayInterface::class, new SettingsCryptoGateway());
-    }
-
-    public function testEncryptDecryptDelegatesToCrypto(): void
-    {
-        $gateway = new SettingsCryptoGateway();
-        $plaintext = 'settings-secret';
-        $encrypted = $gateway->encryptString($plaintext);
-
-        self::assertNotSame($plaintext, $encrypted);
-        self::assertSame($plaintext, $gateway->decryptString($encrypted));
-    }
-}