diff --git a/app_new/planning/templates/planning/time_tracking.html b/app_new/planning/templates/planning/time_tracking.html
index d4f7dc5..3584042 100644
--- a/app_new/planning/templates/planning/time_tracking.html
+++ b/app_new/planning/templates/planning/time_tracking.html
@@ -49,4 +49,13 @@
 
   <div class="card"><div class="card-header"><strong>Historique {{ year }}</strong></div><div class="table-responsive"><table class="table table-sm mb-0"><thead><tr><th>Date</th><th>Type</th><th>Prévu</th><th>Réalisé</th><th>Écart</th><th>Note</th></tr></thead><tbody>{% for entry in entries[:50] %}<tr><td>{{ entry.work_date.strftime('%d/%m/%Y') }}</td><td>{{ entry.entry_type }}</td><td>{{ entry.planned_minutes }} min</td><td>{{ entry.actual_minutes }} min</td><td class="{% if entry.variance_minutes < 0 %}text-danger{% elif entry.variance_minutes > 0 %}text-success{% endif %}">{{ '+' if entry.variance_minutes > 0 else '' }}{{ entry.variance_minutes }} min</td><td>{{ entry.note or '—' }}</td></tr>{% else %}<tr><td colspan="6" class="text-muted">Aucune saisie.</td></tr>{% endfor %}</tbody></table></div></div>
 </div>
+<script>
+document.addEventListener('DOMContentLoaded', function () {
+  document.querySelectorAll('input[name="work_dates"][checked]').forEach(function (input) {
+    input.disabled = true;
+    input.closest('label').classList.add('bg-light', 'text-muted');
+    input.closest('label').title = 'Permanence déjà enregistrée — suppression possible dans le récapitulatif.';
+  });
+});
+</script>
 {% endblock %}
diff --git a/app_new/planning/time_tracking.py b/app_new/planning/time_tracking.py
index c4a0854..a256371 100644
--- a/app_new/planning/time_tracking.py
+++ b/app_new/planning/time_tracking.py
@@ -341,10 +341,6 @@ def save_permanences():
                 day.lunch_start, day.lunch_end = template.lunch_start, template.lunch_end
                 day.notes = "Permanence"
                 closure.work_hours_type = "custom"
-            elif current_day.weekday() < 5:
-                existing = ClosureWorkDay.query.filter_by(closure_id=closure.id, work_date=current_day).first()
-                if existing:
-                    db.session.delete(existing)
             current_day += timedelta(days=1)
     db.session.commit()
     flash(f"{len(selected_dates)} jour(s) de permanence enregistré(s) avec « {template.name} ».", "success")