diff --git a/server/lib/oauth-model.js b/server/lib/oauth-model.js
index 922ef0b1f..d011c4b72 100644
--- a/server/lib/oauth-model.js
+++ b/server/lib/oauth-model.js
@@ -32,7 +32,7 @@ function getClient (clientId, clientSecret) {
   return OAuthClient.getByIdAndSecret(mongoId, clientSecret)
 }
 
-function getRefreshToken (refreshToken, callback) {
+function getRefreshToken (refreshToken) {
   logger.debug('Getting RefreshToken (refreshToken: ' + refreshToken + ').')
 
   return OAuthToken.getByRefreshTokenAndPopulateClient(refreshToken)