diff --git a/machines/nixos/web03/django-apps/annuaire.nix b/machines/nixos/web03/django-apps/annuaire.nix
index c34ac47..54f59e5 100644
--- a/machines/nixos/web03/django-apps/annuaire.nix
+++ b/machines/nixos/web03/django-apps/annuaire.nix
@@ -43,7 +43,6 @@ in
     };
 
     environment = {
-      ANNUAIRE_ALLOWED_HOSTS = [ "annuaire-ens.webapps.dgnum.eu" ];
       ANNUAIRE_LDAP = {
         SPI = {
           PROTOCOL = "ldaps";
diff --git a/machines/nixos/web03/django-apps/bocal.nix b/machines/nixos/web03/django-apps/bocal.nix
index 4b0841c..d3d5300 100644
--- a/machines/nixos/web03/django-apps/bocal.nix
+++ b/machines/nixos/web03/django-apps/bocal.nix
@@ -45,7 +45,6 @@ in
     };
 
     environment = {
-      DJANGO_SETTINGS_MODULE = "app.settings";
       BOCAL_ALLOWED_HOSTS = [ "bocal.webapps.dgnum.eu" ];
       BOCAL_RHOSTS_PATH = "/var/lib/django-apps/bocal/.rhosts";
     };
diff --git a/machines/nixos/web03/django-apps/ernestophone.nix b/machines/nixos/web03/django-apps/ernestophone.nix
index 062e914..60401df 100644
--- a/machines/nixos/web03/django-apps/ernestophone.nix
+++ b/machines/nixos/web03/django-apps/ernestophone.nix
@@ -56,10 +56,5 @@ in
     credentials = {
       SECRET_KEY = config.age.secrets."dj_ernestophone-secret_key_file".path;
     };
-
-    environment = {
-      DJANGO_SETTINGS_MODULE = "Ernestophone.settings";
-      ERNESTOPHONE_ALLOWED_HOSTS = [ "ernestophone.ens.fr" ];
-    };
   };
 }
diff --git a/machines/nixos/web03/django-apps/gestiojeux.nix b/machines/nixos/web03/django-apps/gestiojeux.nix
index fb3f40c..642f028 100644
--- a/machines/nixos/web03/django-apps/gestiojeux.nix
+++ b/machines/nixos/web03/django-apps/gestiojeux.nix
@@ -68,7 +68,6 @@ in
     };
 
     environment = {
-      GESTIOJEUX_ALLOWED_HOSTS = [ "gestiojeux.webapps.dgnum.eu" ];
       GESTIOJEUX_EMAIL_HOST_USER = "web-services@infra.dgnum.eu";
       GESTIOJEUX_DEFAULT_FROM_EMAIL = "Kadenios <web-services@infra.dgnum.eu>";
       GESTIOJEUX_SERVER_EMAIL = "webapps@infra.dgnum.eu";
diff --git a/machines/nixos/web03/django-apps/wikiens.nix b/machines/nixos/web03/django-apps/wikiens.nix
index 1f6271c..db4a541 100644
--- a/machines/nixos/web03/django-apps/wikiens.nix
+++ b/machines/nixos/web03/django-apps/wikiens.nix
@@ -51,9 +51,5 @@ in
     credentials = {
       SECRET_KEY = config.age.secrets."dj_wikiens-secret_key_file".path;
     };
-
-    environment = {
-      WIKIENS_ALLOWED_HOSTS = [ "wiki.eleves.ens.fr" ];
-    };
   };
 }