diff --git a/src/OAuth2/Storage/PDO/Session.php b/src/OAuth2/Storage/PDO/Session.php
index 7a24d388..a5121074 100644
--- a/src/OAuth2/Storage/PDO/Session.php
+++ b/src/OAuth2/Storage/PDO/Session.php
@@ -63,16 +63,6 @@ class Session implements SessionInterface
         $stmt->execute();
     }
 
-    /**
-     * Remove an associated redirect URI
-     * @param  int    $sessionId The session ID
-     * @return void
-     */
-    public function removeRedirectUri($sessionId)
-    {
-        throw new \Exception('Not implemented - ' . debug_backtrace()[0]['function']);
-    }
-
     /**
      * Associate an access token with a session
      * @param  int    $sessionId   The session ID
@@ -127,16 +117,6 @@ class Session implements SessionInterface
         $stmt->execute();
     }
 
-    /**
-     * Remove an associated refresh token from a session
-     * @param  int    $sessionId   The session ID
-     * @return void
-     */
-    public function removeRefreshToken($sessionId)
-    {
-        throw new \Exception('Not implemented - ' . debug_backtrace()[0]['function']);
-    }
-
     /**
      * Assocate an authorization code with a session
      * @param  int    $sessionId  The session ID
diff --git a/src/OAuth2/Storage/SessionInterface.php b/src/OAuth2/Storage/SessionInterface.php
index b9ca2118..2933af6c 100644
--- a/src/OAuth2/Storage/SessionInterface.php
+++ b/src/OAuth2/Storage/SessionInterface.php
@@ -39,13 +39,6 @@ interface SessionInterface
      */
     public function associateRedirectUri($sessionId, $redirectUri);
 
-    /**
-     * Remove an associated redirect URI
-     * @param  int    $sessionId The session ID
-     * @return void
-     */
-    public function removeRedirectUri($sessionId);
-
     /**
      * Associate an access token with a session
      * @param  int    $sessionId   The session ID
@@ -70,13 +63,6 @@ interface SessionInterface
      */
     public function associateRefreshToken($accessTokenId, $refreshToken);
 
-    /**
-     * Remove an associated refresh token from a session
-     * @param  int    $sessionId   The session ID
-     * @return void
-     */
-    public function removeRefreshToken($sessionId);
-
     /**
      * Assocate an authorization code with a session
      * @param  int    $sessionId  The session ID