diff --git a/templates/main/instance_detail.html b/templates/main/instance_detail.html
index 34be9de..2fe11d8 100644
--- a/templates/main/instance_detail.html
+++ b/templates/main/instance_detail.html
@@ -750,8 +750,8 @@ document.addEventListener('DOMContentLoaded', function() {
     // Initial update
     updateAllStatuses();
     
-    // Set up periodic updates (every 30 seconds)
-    statusUpdateInterval = setInterval(updateAllStatuses, 30000);
+    // Set up periodic updates (every 10 minutes)
+    statusUpdateInterval = setInterval(updateAllStatuses, 600000);
     console.log('Periodic updates initialized');
 });
 
diff --git a/templates/main/instances.html b/templates/main/instances.html
index 4301ec1..6a413e7 100644
--- a/templates/main/instances.html
+++ b/templates/main/instances.html
@@ -246,13 +246,10 @@
                                     </td>
                                     <td>
                                         <div class="btn-group">
-                                            <button class="btn btn-sm btn-outline-primary" onclick="editInstance({{ instance.id }})">
-                                                <i class="fas fa-edit"></i>
-                                            </button>
                                             <button class="btn btn-sm btn-outline-info" onclick="window.location.href='/instances/{{ instance.id }}/detail'">
                                                 <i class="fas fa-info-circle"></i>
                                             </button>
-                                            <button class="btn btn-sm btn-outline-danger" onclick="deleteInstance({{ instance.id }})">
+                                            <button class="btn btn-sm btn-outline-danger" type="button" onclick="showDeleteInstanceModal({{ instance.id }})">
                                                 <i class="fas fa-trash"></i>
                                             </button>
                                         </div>
@@ -800,6 +797,46 @@
     </div>
 </div>
 
+<!-- Delete Instance Modal -->
+<div class="modal fade" id="deleteInstanceModal" tabindex="-1">
+    <div class="modal-dialog modal-dialog-centered">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">Delete Instance</h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+            </div>
+            <div class="modal-body">
+                <div class="text-center mb-4">
+                    <i class="fas fa-exclamation-triangle fa-3x text-warning mb-3"></i>
+                    <h4>Are you sure?</h4>
+                    <p class="text-muted">This action cannot be undone. The instance and all its data will be permanently deleted.</p>
+                </div>
+                <div class="alert alert-warning">
+                    <h6><i class="fas fa-info-circle me-2"></i>What will be deleted:</h6>
+                    <ul class="mb-0">
+                        <li>Instance configuration</li>
+                        <li>All rooms and conversations</li>
+                        <li>User data and files</li>
+                        <li>Database records</li>
+                    </ul>
+                </div>
+                <div class="form-check">
+                    <input class="form-check-input" type="checkbox" id="confirmDelete" required>
+                    <label class="form-check-label" for="confirmDelete">
+                        I understand that this action is irreversible and I want to delete this instance
+                    </label>
+                </div>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
+                <button type="button" class="btn btn-danger" id="confirmDeleteBtn" disabled onclick="confirmDeleteInstance()">
+                    <i class="fas fa-trash me-1"></i>Delete Instance
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+
 {% endblock %}
 
 {% block extra_js %}
@@ -2504,5 +2541,48 @@ document.addEventListener('DOMContentLoaded', function() {
     // Remove the payment plan fetching from here since fetchVersionInfo handles it
     // The periodic refresh (every 30 seconds) will handle payment plan updates properly
 });
+
+let deleteInstanceId = null;
+let deleteInstanceModal = null;
+
+document.addEventListener('DOMContentLoaded', function() {
+    deleteInstanceModal = new bootstrap.Modal(document.getElementById('deleteInstanceModal'));
+    const confirmDeleteCheckbox = document.getElementById('confirmDelete');
+    const confirmDeleteBtn = document.getElementById('confirmDeleteBtn');
+    if (confirmDeleteCheckbox && confirmDeleteBtn) {
+        confirmDeleteCheckbox.addEventListener('change', function() {
+            confirmDeleteBtn.disabled = !this.checked;
+        });
+    }
+});
+
+function showDeleteInstanceModal(instanceId) {
+    deleteInstanceId = instanceId;
+    const confirmDeleteCheckbox = document.getElementById('confirmDelete');
+    const confirmDeleteBtn = document.getElementById('confirmDeleteBtn');
+    if (confirmDeleteCheckbox && confirmDeleteBtn) {
+        confirmDeleteCheckbox.checked = false;
+        confirmDeleteBtn.disabled = true;
+    }
+    deleteInstanceModal.show();
+}
+
+async function confirmDeleteInstance() {
+    if (!deleteInstanceId) return;
+    const csrfToken = document.querySelector('input[name="csrf_token"]').value;
+    try {
+        const response = await fetch(`/instances/${deleteInstanceId}`, {
+            method: 'DELETE',
+            headers: {
+                'X-CSRF-Token': csrfToken
+            }
+        });
+        if (!response.ok) throw new Error('Failed to delete instance');
+        deleteInstanceModal.hide();
+        location.reload();
+    } catch (error) {
+        alert('Error deleting instance: ' + error.message);
+    }
+}
 </script>
 {% endblock %}