diff --git a/lib/cartodb/api/auth_api.js b/lib/cartodb/api/auth_api.js
index 677ccc86..43f19d4e 100644
--- a/lib/cartodb/api/auth_api.js
+++ b/lib/cartodb/api/auth_api.js
@@ -86,8 +86,6 @@ AuthApi.prototype.authorizedByAPIKey = function(user, res, callback) {
         }
 
         if ( !isValidApiKey(apikey)) {
-            return callback(null, true); // AUTH_FALLBACK :S If api key not found, use default_public
-
             const error = new Error('Unauthorized');
             error.type = 'auth';
             error.subtype = 'api-key-not-found';