diff --git a/apps/1button/interface.html b/apps/1button/interface.html
index 42e8dcb1a..56020bb12 100644
--- a/apps/1button/interface.html
+++ b/apps/1button/interface.html
@@ -10,28 +10,25 @@
 var domRecords = document.getElementById("records");
 
 function saveRecord(record,name) {
-  var csv = `${record.map(rec=>[rec.time, rec.bpm, rec.confidence].join(",")).join("\n")}`;
+  var csv = `${record.map(rec=>[rec.start_time, rec.end_time].join(",")).join("\n")}`;
   Util.saveCSV(name, csv);
 }
 
 
-function recordLineToObject(l, hasRecordNbr) {
+function recordLineToObject(l) {
   var t = l.trim().split(",");
-  var n = hasRecordNbr?1:0;
   var o = {
-    start_time: parseFloat(t[n+0]),
-    end_time: parseFloat(t[n+1]),
+    start_time: parseFloat(t[0]),
+    end_time: parseFloat(t[1]),
   };
-  if (hasRecordNbr)
-    o.number = t[0];
   return o;
 }
 
-function downloadRecord(recordNbr, callback) {
+function downloadRecord(callback) {
   Util.showModal("Downloading one-button tracker data...");
   Util.readStorageFile(`one_button_presses.csv`,data=>{
     Util.hideModal();
-    var record = data.trim().split("\n").map(l=>recordLineToObject(l,false));
+    var record = data.trim().split("\n").map(l=>recordLineToObject(l));
     callback(record);
   });
 }
@@ -40,24 +37,24 @@ function getRecordList() {
   Util.showModal("Loading one button tracker records...");
   domRecords.innerHTML = "";
   Puck.write(`\x10(function() {
-      var f = require("Storage").open("one_button_presses.csv,"r");
-      var l = f.readLine();
+    var f = require("Storage").open("one_button_presses.csv,"r");
+    var l = f.readLine();
   })()\n`,recordList=>{
     var recordLines = recordList.trim().split("\n");
     var html = `<div class="container">
   <div class="columns">\n`;
     recordLines.forEach(l => {
-      var record = recordLineToObject(l, true /*has record number*/);
+      var record = recordLineToObject(l);
       html += `
         <div class="column col-12">
           <div class="card-header">
-            <div class="card-title h5">Heart Rate Record ${record.number}</div>
-            <div class="card-subtitle text-gray">${(new Date(record.time*1000)).toString().substr(0,24)}</div>
+            <div class="card-title h5">One-Button Presses</div>
+            <div class="card-subtitle text-gray">${(new Date(record.start_time*1000)).toString().substr(0,24)}</div>
           </div>
           <div class="card-body"></div>
           <div class="card-footer">
-            <button class="btn btn-primary" recordNbr="${record.number}" task="download">Download</button>
-            <button class="btn btn-default" recordNbr="${record.number}" task="delete">Delete</button>
+            <button class="btn btn-primary" task="download">Download</button>
+            <button class="btn btn-default" task="delete">Delete</button>
           </div>
         </div>
       `;
@@ -85,13 +82,13 @@ function getRecordList() {
         var task = button.getAttribute("task");
         if (task=="delete") {
           Util.showModal("Deleting record...");
-          Util.eraseStorageFile(`.heart${recordNbr.toString(36)}`,()=>{
+          Util.eraseStorageFile(`one_button_presses.csv`,()=>{
             Util.hideModal();
             getRecordList();
           });
         }
         if (task=="download") {
-          downloadRecord(recordNbr, record => saveRecord(record, `HeartRateRecord${recordNbr}`));
+          downloadRecord(record => saveRecord(record, `one_button_presses`));
         }
       });
     }