diff --git a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/auth/oauth/OAuthServiceProvider.java b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/auth/oauth/OAuthServiceProvider.java
index 8375e31..9be2630 100644
--- a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/auth/oauth/OAuthServiceProvider.java
+++ b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/auth/oauth/OAuthServiceProvider.java
@@ -23,29 +23,20 @@
 public interface OAuthServiceProvider {
 
   /**
-   * Retrieve the request token.
-   *
-   * @return request token
-   */
-  OAuthToken getRequestToken();
-
-  /**
    * Returns the URL where you should redirect your users to authenticate
    * your application.
    *
-   * @param requestToken the request token you need to authorize
-   * @return the URL where you should redirect your users
+   * @return the OAuth service URL to redirect your users for authentication
    */
-  String getAuthorizationUrl(OAuthToken requestToken);
+  String getAuthorizationUrl();
 
   /**
    * Retrieve the access token
    *
-   * @param requestToken request token (obtained previously)
    * @param verifier verifier code
    * @return access token
    */
-  OAuthToken getAccessToken(OAuthToken requestToken, OAuthVerifier verifier);
+  OAuthToken getAccessToken(OAuthVerifier verifier);
 
   /**
    * After establishing of secure communication channel, this method supossed to
diff --git a/gerrit-oauth/src/main/java/com/google/gerrit/httpd/auth/oauth/OAuthSession.java b/gerrit-oauth/src/main/java/com/google/gerrit/httpd/auth/oauth/OAuthSession.java
index 6e3ea7a..8ffbbe6 100644
--- a/gerrit-oauth/src/main/java/com/google/gerrit/httpd/auth/oauth/OAuthSession.java
+++ b/gerrit-oauth/src/main/java/com/google/gerrit/httpd/auth/oauth/OAuthSession.java
@@ -89,8 +89,7 @@
       }
 
       log.debug("Login-Retrieve-User " + this);
-      token = oauth.getAccessToken(null,
-          new OAuthVerifier(request.getParameter("code")));
+      token = oauth.getAccessToken(new OAuthVerifier(request.getParameter("code")));
 
       user = oauth.getUserInfo(token);
 
@@ -105,7 +104,7 @@
     } else {
       log.debug("Login-PHASE1 " + this);
       redirectUrl = request.getRequestURI();
-      response.sendRedirect(oauth.getAuthorizationUrl(null) +
+      response.sendRedirect(oauth.getAuthorizationUrl() +
           "&state=" + state);
       return false;
     }