diff --git a/MEMORY.md b/MEMORY.md
index f659ad3..c073388 100644
--- a/MEMORY.md
+++ b/MEMORY.md
@@ -74,3 +74,4 @@ In una nuova installazione del plugin, i campi "API username" e "API password" n
 7. **README.md** creato
 8. **PURGE right**: Aggiunto PURGE ai diritti di installazione (`Profile.php:76,90`); applicato a tutti i profili Super-Admin esistenti nel DB
 9. **CSRF GLPI 11 fix**: `Session::checkCSRF()` richiede `$_POST` come argomento in GLPI 11; aggiunto `X-Glpi-Csrf-Token` header al JS AJAX
+10. **Session::isDebugActive()**: Metodo inesistente in GLPI 11; sostituito in `AssetTab.php:150` con `($_SESSION['glpi_use_mode'] ?? Session::NORMAL_MODE) === Session::DEBUG_MODE`
diff --git a/src/AssetTab.php b/src/AssetTab.php
index 5446b11..c6bf0b7 100644
--- a/src/AssetTab.php
+++ b/src/AssetTab.php
@@ -147,24 +147,6 @@ class AssetTab extends CommonDBTM
             echo "<td colspan='2'>";
             echo "<div class='alert alert-warning'>";
             echo htmlspecialchars(__('No UrBackup server available for the root location of this asset.', 'urbackup'));
-            if (Session::isDebugActive()) {
-                $loc_id = LocationHelper::getAssetLocationId($item);
-                $root_id = LocationHelper::getRootLocationIdForAsset($item);
-                echo "<br><small class='text-muted'>";
-                echo "Asset locations_id: " . htmlspecialchars((string) $loc_id);
-                echo " | Root location ID: " . htmlspecialchars((string) $root_id);
-                echo " | glpi_plugin_urbackup_servers with this root ID + is_active=1: ";
-                global $DB;
-                $count = $DB->request([
-                    'FROM'  => Server::getTable(),
-                    'WHERE' => [
-                        'locations_id' => $root_id,
-                        'is_active'    => 1,
-                    ],
-                ]);
-                echo htmlspecialchars((string) count($count));
-                echo "</small>";
-            }
             echo "</div>";
             echo "</td>";
             echo "</tr>";