diff --git a/src/ServiceProviders/ClientCredentialsGrantProvider.php b/src/ServiceProviders/ClientCredentialsGrantProvider.php
deleted file mode 100644
index c56b0baf..00000000
--- a/src/ServiceProviders/ClientCredentialsGrantProvider.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-namespace League\OAuth2\Server\ServiceProviders;
-
-use League\Container\ServiceProvider;
-use League\OAuth2\Server\Grant\ClientCredentialsGrant;
-
-class ClientCredentialsGrantProvider extends ServiceProvider
-{
-    protected $provides = ['ClientCredentialsGrant'];
-
-    /**
-     * @inheritdoc
-     */
-    public function register()
-    {
-        $container = $this->getContainer();
-
-        $container->add('ClientCredentialsGrant', function () use ($container) {
-            $grant = new ClientCredentialsGrant(
-                $container->get('emitter'),
-                $container->get('ClientRepository'),
-                $container->get('ScopeRepository'),
-                $container->get('AccessTokenRepository')
-            );
-            return $grant;
-        });
-    }
-}
diff --git a/src/ServiceProviders/PasswordGrantProvider.php b/src/ServiceProviders/PasswordGrantProvider.php
deleted file mode 100644
index 540c73b3..00000000
--- a/src/ServiceProviders/PasswordGrantProvider.php
+++ /dev/null
@@ -1,37 +0,0 @@
-<?php
-
-namespace League\OAuth2\Server\ServiceProviders;
-
-use League\Container\ServiceProvider;
-use League\OAuth2\Server\Grant\PasswordGrant;
-
-class PasswordGrantProvider extends ServiceProvider
-{
-    protected $provides = ['PasswordGrant'];
-
-    /**
-     * @inheritdoc
-     */
-    public function register()
-    {
-        $container = $this->getContainer();
-
-        $container->add('PasswordGrant', function () use ($container) {
-
-            $refreshTokenRepository = null;
-            if ($container->isRegistered('RefreshTokenRepository')) {
-                $refreshTokenRepository = $container->get('RefreshTokenRepository');
-            }
-
-            $grant = new PasswordGrant(
-                $container->get('emitter'),
-                $container->get('ClientRepository'),
-                $container->get('ScopeRepository'),
-                $container->get('AccessTokenRepository'),
-                $container->get('UserRepository'),
-                $refreshTokenRepository
-            );
-            return $grant;
-        });
-    }
-}