diff --git a/lib/connect/index.js b/lib/connect/index.js
index 00eb53463..a0e36a35e 100644
--- a/lib/connect/index.js
+++ b/lib/connect/index.js
@@ -324,7 +324,12 @@ var defaultProviders = {
  * @api public
  */
 
+var warned;
 exports.createApp = function (setup, options) {
+    if (!warned) {
+        console.warn('Warning: connect.createApp() will be removed in 1.0');
+        warned = true;
+    }
     var filters = Object.create(defaultFilters);
     var providers = Object.create(defaultProviders);
     providers.router = setup;