diff --git a/src/Grant/ImplicitGrant.php b/src/Grant/ImplicitGrant.php
index c84a7c4d..dd6ef406 100644
--- a/src/Grant/ImplicitGrant.php
+++ b/src/Grant/ImplicitGrant.php
@@ -10,7 +10,6 @@
 namespace League\OAuth2\Server\Grant;
 
 use DateInterval;
-use DateTime;
 use League\OAuth2\Server\Entities\ClientEntityInterface;
 use League\OAuth2\Server\Entities\UserEntityInterface;
 use League\OAuth2\Server\Exception\OAuthServerException;
diff --git a/src/ResponseTypes/BearerTokenResponse.php b/src/ResponseTypes/BearerTokenResponse.php
index 84f8939a..ddcadd63 100644
--- a/src/ResponseTypes/BearerTokenResponse.php
+++ b/src/ResponseTypes/BearerTokenResponse.php
@@ -11,7 +11,6 @@
 
 namespace League\OAuth2\Server\ResponseTypes;
 
-use DateTime;
 use League\OAuth2\Server\Entities\AccessTokenEntityInterface;
 use League\OAuth2\Server\Entities\RefreshTokenEntityInterface;
 use Psr\Http\Message\ResponseInterface;