diff --git a/backend/geonature/core/gn_synthese/synthese_config.py b/backend/geonature/core/gn_synthese/synthese_config.py
index 98a8ea4a6f..f937d631c9 100644
--- a/backend/geonature/core/gn_synthese/synthese_config.py
+++ b/backend/geonature/core/gn_synthese/synthese_config.py
@@ -139,8 +139,7 @@ class DefaultGeographicOverview:
 
 
 class DefaultObservers:
-    ENABLED = True
-    pass
+    ENABLED = False
 
 
 class DefaultSpeciesSheet: