diff --git a/src/Token/ResourceOwnerAccessTokenInterface.php b/src/Token/ResourceOwnerAccessTokenInterface.php
index 36418fd8..51e4ce41 100644
--- a/src/Token/ResourceOwnerAccessTokenInterface.php
+++ b/src/Token/ResourceOwnerAccessTokenInterface.php
@@ -14,7 +14,7 @@
 
 namespace League\OAuth2\Client\Token;
 
-interface ResourceOwnerAccessTokenInterface
+interface ResourceOwnerAccessTokenInterface extends AccessTokenInterface
 {
     /**
      * Returns the resource owner identifier, if defined.
diff --git a/src/Token/SettableRefreshTokenInterface.php b/src/Token/SettableRefreshTokenInterface.php
index 0a056685..491bee99 100644
--- a/src/Token/SettableRefreshTokenInterface.php
+++ b/src/Token/SettableRefreshTokenInterface.php
@@ -14,7 +14,7 @@
 
 namespace League\OAuth2\Client\Token;
 
-interface SettableRefreshTokenInterface extends AccessTokenInterface
+interface SettableRefreshTokenInterface
 {
     /**
      * Sets or replaces the refresh token with the provided refresh token.