diff --git a/token_bridge/server.js b/token_bridge/server.js
index 4671d08..eeffad2 100644
--- a/token_bridge/server.js
+++ b/token_bridge/server.js
@@ -59,13 +59,13 @@ function initialize(html, scripts, baseUrl) {
 
 function computeToken(method, path) {
     if (!window) throw new Error('not initialized');
-    process.stderr.write(JSON.stringify({trace: 'computeToken', method, path}) + '\n');
+    // process.stderr.write(JSON.stringify({trace: 'computeToken', method, path}) + '\n');
     const OriginalXHR = window.XMLHttpRequest;
-    process.stderr.write(JSON.stringify({trace: 'XHR class', hasXHR: !!OriginalXHR}) + '\n');
+    // process.stderr.write(JSON.stringify({trace: 'XHR class', hasXHR: !!OriginalXHR}) + '\n');
     const xhr = new OriginalXHR();
-    process.stderr.write(JSON.stringify({trace: 'xhr created'}) + '\n');
+    // process.stderr.write(JSON.stringify({trace: 'xhr created'}) + '\n');
     xhr.open(method || 'GET', path);
-    process.stderr.write(JSON.stringify({trace: 'open called', url: (xhr.__ts_url||'').substring(0,100)}) + '\n');
+    // process.stderr.write(JSON.stringify({trace: 'open called', url: (xhr.__ts_url||'').substring(0,100)}) + '\n');
     const url = xhr.__ts_url || '';
     const idx = url.indexOf('c93l5Fya=');
     if (idx < 0) throw new Error(`Token not found for ${path}, url=${url.substring(0,80)}`);