diff --git a/src/Entities/RefreshTokenEntity.php b/src/Entities/RefreshTokenEntity.php
index 1f6c6d07..dfb9239a 100644
--- a/src/Entities/RefreshTokenEntity.php
+++ b/src/Entities/RefreshTokenEntity.php
@@ -4,7 +4,6 @@ namespace League\OAuth2\Server\Entities;
 use League\OAuth2\Server\Entities\Interfaces\RefreshTokenEntityInterface;
 use League\OAuth2\Server\Entities\Traits\EntityTrait;
 use League\OAuth2\Server\Entities\Traits\RefreshTokenTrait;
-use League\OAuth2\Server\Entities\Traits\TokenEntityTrait;
 
 /**
  * Class RefreshTokenEntity
diff --git a/src/Grant/RefreshTokenGrant.php b/src/Grant/RefreshTokenGrant.php
index a78ab177..37684489 100644
--- a/src/Grant/RefreshTokenGrant.php
+++ b/src/Grant/RefreshTokenGrant.php
@@ -12,10 +12,6 @@
 namespace League\OAuth2\Server\Grant;
 
 use DateInterval;
-use Lcobucci\JWT\Parser;
-use Lcobucci\JWT\Signer\Key;
-use Lcobucci\JWT\Signer\Rsa\Sha256;
-use Lcobucci\JWT\ValidationData;
 use League\OAuth2\Server\Entities\AccessTokenEntity;
 use League\OAuth2\Server\Entities\Interfaces\ClientEntityInterface;
 use League\OAuth2\Server\Entities\RefreshTokenEntity;