diff --git a/flask_discord/_http.py b/flask_discord/_http.py
index 5d066d9..276d9a1 100644
--- a/flask_discord/_http.py
+++ b/flask_discord/_http.py
@@ -23,6 +23,11 @@ class DiscordOAuth2HttpClient(abc.ABC):
 
     """
 
+    SESSION_KEYS = [
+        "discord_oauth2_state",
+        "discord_oauth2_token",
+    ]
+
     def __init__(self, client_id, client_secret, redirect_uri):
         self.client_id = client_id
         self.client_secret = client_secret
diff --git a/flask_discord/client.py b/flask_discord/client.py
index d03e6aa..d8279d7 100644
--- a/flask_discord/client.py
+++ b/flask_discord/client.py
@@ -59,6 +59,15 @@ class DiscordOAuth2Session(_http.DiscordOAuth2HttpClient):
         )
         session["discord_oauth2_token"] = token
 
+    def revoke(self):
+        """This method clears current discord token, state and all session data from flask
+        session <http://flask.pocoo.org/docs/1.0/api/#flask.session>. Which means user will have
+        to go through discord authorization token grant flow again.
+
+        """
+        for session_key in self.SESSION_KEYS:
+            session.pop(session_key)
+
     def fetch_user(self):
         return models.User(self.get("/users/@me"))