diff --git a/www/index.html b/www/index.html
index c346246..3395a38 100644
--- a/www/index.html
+++ b/www/index.html
@@ -70,9 +70,6 @@
         if (!window.DailyNotification) {
             console.log('Creating mock DailyNotification plugin...');
             window.DailyNotification = {
-                echo: function(options) {
-                    return Promise.resolve({ value: `Mock echo: ${options.value}` });
-                },
                 configure: function(config) {
                     console.log('Mock configure called with:', config);
                     return Promise.resolve();