diff --git a/backend/managerRoutes.js b/backend/managerRoutes.js
index df1e066..abdf0a7 100644
--- a/backend/managerRoutes.js
+++ b/backend/managerRoutes.js
@@ -392,7 +392,6 @@ export default function () {
       }
 
       const wantXlsx = String(req.query.format || 'csv').toLowerCase() === 'xlsx'
-      const wantTxt = String(req.query.format || '').toLowerCase() === 'txt'
 
       let workerIdClause = ''
       let departmentClause = ''
@@ -523,39 +522,6 @@ export default function () {
         byWorkerForXlsx.set(`${w.username}||${w.full_name}||${w.department}`, perWorkerRows)
       }
 
-      // ===== TXT branch =====
-      if (wantTxt) {
-        const lines = []
-        for (const wId in workByDay) {
-          const w = workByDay[wId]
-          const seen = new Set()
-          for (const day of Object.keys(w.days).sort()) {
-            const events = w.days[day].slice().sort((a, b) => a.time - b.time)
-            for (const e of events) {
-              const code = e.type === 'clock_in' ? '1' : '0'
-              const date = ymdInTZ(e.time, TZ)
-              const timeStr = new Intl.DateTimeFormat('en-GB', {
-                timeZone: TZ,
-                hour: '2-digit',
-                minute: '2-digit',
-                second: '2-digit',
-                hour12: false,
-              }).format(e.time)
-              const line = `${w.username},"${code}","${date} ${timeStr}";"${w.full_name}"`
-              if (!seen.has(line)) {
-                seen.add(line)
-                lines.push(line)
-              }
-            }
-          }
-        }
-        res.set('X-Export-TZ', TZ)
-        res.header('Content-Type', 'text/plain')
-          .attachment(`attendance_${startDate}_to_${endDate}.txt`)
-          .send(lines.join('\n'))
-        return
-      }
-
       // ===== XLSX branch: grouped header + per-day summary sheet =====
       if (wantXlsx) {
         const wb = new ExcelJS.Workbook()
diff --git a/src/components/PersonnelManagement.vue b/src/components/PersonnelManagement.vue
index e5a4df6..284f332 100644
--- a/src/components/PersonnelManagement.vue
+++ b/src/components/PersonnelManagement.vue
@@ -95,13 +95,6 @@
             {{ exportLoading ? $t('exporting') : $t('exportAll') }}
           </button>
         </div>
-        <div class="shrink-0">
-          <button @click="exportTxt"
-            :disabled="!exportFilters.startDate || !exportFilters.endDate || txtExportLoading"
-            class="bg-blue-600 hover:bg-blue-700 text-white font-semibold px-4 py-2 rounded-md transition-colors duration-200 disabled:opacity-50">
-            {{ txtExportLoading ? $t('exporting') : 'Export TXT' }}
-          </button>
-        </div>
       </div>
 
       <div class="overflow-x-auto">
@@ -478,7 +471,6 @@ const confirmMessage = ref('');
 const isConfirmModalVisible = ref(false);
 const exportFilters = ref({ startDate: '', endDate: '' });
 const exportLoading = ref(false);
-const txtExportLoading = ref(false);
 const showClearDeviceConfirm = ref(false);
 const showDeleteConfirm = ref(false);
 const departments = ref([]);
@@ -770,39 +762,6 @@ const exportWorkHours = async () => {
   }
 };
 
-const exportTxt = async () => {
-  const toast = useToast();
-  txtExportLoading.value = true;
-  const { startDate, endDate } = exportFilters.value;
-  const workerIds = selectedWorkerIds.value.join(',');
-  let exportUrl = `${import.meta.env.VITE_API_BASE_URL}/api/managers/attendance-records/export?format=txt&startDate=${startDate}&endDate=${endDate}&workerIds=${workerIds}`;
-  if (selectedDepartment.value) {
-    exportUrl += `&department=${encodeURIComponent(selectedDepartment.value)}`;
-  }
-  try {
-    const response = await fetch(exportUrl, {
-      headers: {
-        Authorization: `Bearer ${sessionStorage.getItem('token')}`,
-        'X-User-Timezone': getUserTimezone(),
-      },
-    });
-    if (!response.ok) throw new Error('Network response was not ok.');
-    const blob = await response.blob();
-    const url = window.URL.createObjectURL(blob);
-    const a = document.createElement('a');
-    a.href = url;
-    a.download = `attendance_${startDate}_to_${endDate}.txt`;
-    document.body.appendChild(a);
-    a.click();
-    a.remove();
-    window.URL.revokeObjectURL(url);
-  } catch (_err) {
-    toast.showToast('Export TXT failed.', 'error');
-  } finally {
-    txtExportLoading.value = false;
-  }
-};
-
 onMounted(() => {
   fetchDepartments();
   const savedSearchState = sessionStorage.getItem('personnelSearchState');