diff --git a/lib/poller.js b/lib/poller.js
index 2178255e..02834902 100644
--- a/lib/poller.js
+++ b/lib/poller.js
@@ -143,14 +143,41 @@ const readdirRec = rootPath =>
     ))
     .then(_.flatten)
 
+// @see lib/customers.js:updateIdCardData()
+const cleanOldFailedPDF417Scans = () => {
+  let old = new Date()
+  old.setDate(old.getDate() - 2) // 2 days ago
+  old = old.getTime()
+
+    /* NOTE: Small caveat to mtime: last time the file was written to. */
+  const isOld = filestat => filestat.mtimeMs < old
+
+  readdirRec(path.join(OPERATOR_DATA_DIR, 'id-operator'))
+    .then(entries => Promise.all(
+      entries
+        .filter(entry => entry.isFile())
+        .map(entry => fs.stat(entry.path).then(_.set('path', entry.path)))
+    ))
+    .then(filestats => Promise.all(
+      filestats
+        .filter(isOld)
+        .map(_.flow(_.get(['path']), fs.unlink))
+    ))
+    .catch(err => {
+      console.log("Error cleaning up failed PDF417 scans:", err)
+    })
+}
+
 // @see lib/machine-loader.js:updateFailedQRScans()
 const cleanOldFailedQRScans = () => {
   const old = new Date()
   old.setDate(old.getDate() - 2) // 2 days ago
+
   const isOld = filepath => {
     const then = new Date(path.basename(filepath).replace(/-[0-9]+\.jpg$/, ''))
     return then < old
   }
+
   readdirRec(path.join(OPERATOR_DATA_DIR, 'failedQRScans'))
     .then(entries => Promise.all(
       entries
@@ -244,6 +271,7 @@ function doPolling (schema) {
   addToQueue(updateCoinAtmRadar, RADAR_UPDATE_INTERVAL, schema, QUEUE.SLOW)
   addToQueue(pi().pruneMachinesHeartbeat, PRUNE_MACHINES_HEARTBEAT, schema, QUEUE.SLOW, settings)
   addToQueue(cleanOldFailedQRScans, FAILED_SCANS_INTERVAL, schema, QUEUE.SLOW, settings)
+  addToQueue(cleanOldFailedPDF417Scans, FAILED_SCANS_INTERVAL, schema, QUEUE.SLOW, settings)
 }
 
 function setup (schemasToAdd = [], schemasToRemove = []) {