diff --git a/api.py b/api.py
index f219dcf..127ae9a 100644
--- a/api.py
+++ b/api.py
@@ -357,7 +357,6 @@ class DevisRequest(BaseModel):
     client_id: str
     date_devis: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     reference: Optional[str] = None
     lignes: List[LigneDevis]
 
@@ -566,7 +565,6 @@ class DevisUpdateRequest(BaseModel):
 
     date_devis: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     reference: Optional[str] = None
     lignes: Optional[List[LigneDevis]] = None
     statut: Optional[int] = Field(None, ge=0, le=6)
@@ -576,7 +574,6 @@ class DevisUpdateRequest(BaseModel):
             "example": {
                 "date_devis": "2024-01-15",
                 "date_livraison": "2024-01-15",
-                "date_expedition": "2024-01-15",
                 "reference": "DEV-001",
                 "lignes": [
                     {
@@ -609,7 +606,6 @@ class CommandeCreateRequest(BaseModel):
     client_id: str
     date_commande: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: List[LigneCommande]
     reference: Optional[str] = None
 
@@ -636,7 +632,6 @@ class CommandeUpdateRequest(BaseModel):
 
     date_commande: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: Optional[List[LigneCommande]] = None
     statut: Optional[int] = Field(None, ge=0, le=6)
     reference: Optional[str] = None
@@ -646,7 +641,6 @@ class CommandeUpdateRequest(BaseModel):
             "example": {
                 "date_commande": "2024-01-15",
                 "date_livraison": "2024-01-15",
-                "date_expedition": "2024-01-15",
                 "reference": "CMD-EXT-001",
                 "lignes": [
                     {
@@ -678,7 +672,6 @@ class LivraisonCreateRequest(BaseModel):
     client_id: str
     date_livraison: Optional[date] = None
     date_livraison_prevue: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: List[LigneLivraison]
     reference: Optional[str] = None
 
@@ -705,7 +698,6 @@ class LivraisonUpdateRequest(BaseModel):
 
     date_livraison: Optional[date] = None
     date_livraison_prevue: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: Optional[List[LigneLivraison]] = None
     statut: Optional[int] = Field(None, ge=0, le=6)
     reference: Optional[str] = None
@@ -715,7 +707,6 @@ class LivraisonUpdateRequest(BaseModel):
             "example": {
                 "date_livraison": "2024-01-15",
                 "date_livraison_prevue": "2024-01-15",
-                "date_expedition": "2024-01-15",
                 "reference": "BL-EXT-001",
                 "lignes": [
                     {
@@ -747,7 +738,6 @@ class AvoirCreateRequest(BaseModel):
     client_id: str
     date_avoir: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: List[LigneAvoir]
     reference: Optional[str] = None
 
@@ -774,7 +764,6 @@ class AvoirUpdateRequest(BaseModel):
 
     date_avoir: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: Optional[List[LigneAvoir]] = None
     statut: Optional[int] = Field(None, ge=0, le=6)
     reference: Optional[str] = None
@@ -784,7 +773,6 @@ class AvoirUpdateRequest(BaseModel):
             "example": {
                 "date_avoir": "2024-01-15",
                 "date_livraison": "2024-01-15",
-                "date_expedition": "2024-01-15",
                 "reference": "AV-EXT-001",
                 "lignes": [
                     {
@@ -816,7 +804,6 @@ class FactureCreateRequest(BaseModel):
     client_id: str
     date_facture: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: List[LigneFacture]
     reference: Optional[str] = None
 
@@ -843,7 +830,6 @@ class FactureUpdateRequest(BaseModel):
 
     date_facture: Optional[date] = None
     date_livraison: Optional[date] = None
-    date_expedition: Optional[date] = None
     lignes: Optional[List[LigneFacture]] = None
     statut: Optional[int] = Field(None, ge=0, le=6)
     reference: Optional[str] = None
@@ -853,7 +839,6 @@ class FactureUpdateRequest(BaseModel):
             "example": {
                 "date_facture": "2024-01-15",
                 "date_livraison": "2024-01-15",
-                "date_expedition": "2024-01-15",
                 "lignes": [
                     {
                         "article_code": "ART001",
@@ -1885,9 +1870,6 @@ async def creer_devis(devis: DevisRequest):
             "date_livraison": (
                 devis.date_livraison.isoformat() if devis.date_livraison else None
             ),
-            "date_expedition": (
-                devis.date_expedition.isoformat() if devis.date_expedition else None
-            ),
             "reference": devis.reference,
             "lignes": [
                 {
@@ -1977,11 +1959,6 @@ async def creer_commande(
             "date_livraison": (
                 commande.date_livraison.isoformat() if commande.date_livraison else None
             ),
-            "date_expedition": (
-                commande.date_expedition.isoformat()
-                if commande.date_expedition
-                else None
-            ),
             "reference": commande.reference,
             "lignes": [
                 {
@@ -3143,9 +3120,6 @@ async def creer_facture(
             "date_livraison": (
                 facture.date_livraison.isoformat() if facture.date_livraison else None
             ),
-            "date_expedition": (
-                facture.date_expedition.isoformat() if facture.date_expedition else None
-            ),
             "reference": facture.reference,
             "lignes": [
                 {
@@ -3757,9 +3731,6 @@ async def creer_avoir(
             "date_livraison": (
                 facture.date_livraison.isoformat() if facture.date_livraison else None
             ),
-            "date_expedition": (
-                facture.date_expedition.isoformat() if facture.date_expedition else None
-            ),
             "reference": avoir.reference,
             "lignes": [
                 {
@@ -3889,11 +3860,6 @@ async def creer_livraison(
                 if livraison.date_livraison_prevue
                 else None
             ),
-            "date_expedition": (
-                livraison.date_expedition.isoformat()
-                if livraison.date_expedition
-                else None
-            ),
             "reference": livraison.reference,
             "lignes": [
                 {