diff --git a/backend/app/routers/absence.py b/backend/app/routers/absence.py
deleted file mode 100644
index 5d0bf77..0000000
--- a/backend/app/routers/absence.py
+++ /dev/null
@@ -1,159 +0,0 @@
-import uuid
-from datetime import date, datetime
-
-from pydantic import BaseModel, Field
-
-from app.models.absence import AbsenceStatus
-
-
-# ── AbsenceType ───────────────────────────────────────────────────────────────
-
-class AbsenceTypeOut(BaseModel):
-    model_config = {"from_attributes": True}
-
-    id: uuid.UUID
-    company_id: uuid.UUID
-    name: str
-    color: str
-    requires_approval: bool
-    deducts_vacation: bool
-    is_paid: bool
-    max_days_per_year: int | None
-    is_active: bool
-
-
-class AbsenceTypeCreate(BaseModel):
-    name: str = Field(min_length=1, max_length=255)
-    color: str = Field("#3B82F6", pattern=r"^#[0-9A-Fa-f]{6}$")
-    requires_approval: bool = True
-    deducts_vacation: bool = False
-    is_paid: bool = True
-    max_days_per_year: int | None = Field(None, ge=1)
-
-
-class AbsenceTypeUpdate(BaseModel):
-    name: str | None = Field(None, min_length=1, max_length=255)
-    color: str | None = Field(None, pattern=r"^#[0-9A-Fa-f]{6}$")
-    requires_approval: bool | None = None
-    deducts_vacation: bool | None = None
-    is_paid: bool | None = None
-    max_days_per_year: int | None = Field(None, ge=1)
-    is_active: bool | None = None
-
-
-# ── Absence ───────────────────────────────────────────────────────────────────
-
-class AbsenceOut(BaseModel):
-    model_config = {"from_attributes": True}
-
-    id: uuid.UUID
-    user_id: uuid.UUID
-    type_id: uuid.UUID
-    start_date: date
-    end_date: date
-    half_day_start: bool
-    half_day_end: bool
-    working_days: float
-    status: AbsenceStatus
-    approved_by: uuid.UUID | None
-    substitute_id: uuid.UUID | None
-    note: str | None
-    correction_note: str | None
-    rejection_reason: str | None
-    created_at: datetime
-
-
-class AbsenceCreate(BaseModel):
-    type_id: uuid.UUID
-    start_date: date
-    end_date: date
-    half_day_start: bool = False
-    half_day_end: bool = False
-    substitute_id: uuid.UUID | None = None
-    note: str | None = None
-    for_user_id: uuid.UUID | None = None  # HR/Admin: Abwesenheit für anderen Mitarbeiter anlegen
-
-    def model_post_init(self, __context) -> None:
-        if self.end_date < self.start_date:
-            raise ValueError("end_date must be >= start_date")
-
-
-class AbsenceUpdate(BaseModel):
-    type_id: uuid.UUID | None = None
-    start_date: date | None = None
-    end_date: date | None = None
-    half_day_start: bool | None = None
-    half_day_end: bool | None = None
-    substitute_id: uuid.UUID | None = None
-    note: str | None = None
-    correction_note: str | None = None  # Pflicht bei Änderung genehmigter Anträge (Mitarbeiter)
-
-    def model_post_init(self, __context) -> None:
-        if self.start_date and self.end_date and self.end_date < self.start_date:
-            raise ValueError("end_date must be >= start_date")
-
-
-class AbsenceReject(BaseModel):
-    rejection_reason: str = Field(min_length=1)
-
-
-class AbsenceListResponse(BaseModel):
-    total: int
-    items: list[AbsenceOut]
-
-
-# ── VacationBalance ───────────────────────────────────────────────────────────
-
-class VacationBalanceOut(BaseModel):
-    model_config = {"from_attributes": True}
-
-    id: uuid.UUID
-    user_id: uuid.UUID
-    year: int
-    entitled_days: int
-    carried_over: int
-    used_days: int
-    remaining_days: int
-    pending_days: float = 0  # Ausstehende Anträge (noch nicht genehmigt)
-
-
-# ── PublicHoliday ─────────────────────────────────────────────────────────────
-
-class PublicHolidayOut(BaseModel):
-    model_config = {"from_attributes": True}
-
-    id: uuid.UUID
-    country: str
-    state: str | None
-    date: date
-    name: str
-    year: int
-
-
-class PublicHolidayCreate(BaseModel):
-    country: str = Field("DE", min_length=2, max_length=10)
-    state: str | None = Field(None, max_length=10)
-    date: date
-    name: str = Field(min_length=1, max_length=255)
-
-
-# ── OvertimeBalance ───────────────────────────────────────────────────────────
-
-class OvertimeBalanceOut(BaseModel):
-    total_hours: float
-    taken_hours: float
-    available_hours: float
-
-
-# ── Calendar ──────────────────────────────────────────────────────────────────
-
-class CalendarEntry(BaseModel):
-    user_id: uuid.UUID
-    user_name: str
-    absence_id: uuid.UUID
-    type_name: str
-    type_color: str
-    start_date: date
-    end_date: date
-    status: AbsenceStatus
-    working_days: float