diff --git a/backend/app/routers/planned_days.py b/backend/app/routers/planned_days.py
index 8d93461..194c932 100644
--- a/backend/app/routers/planned_days.py
+++ b/backend/app/routers/planned_days.py
@@ -5,11 +5,10 @@ from uuid import UUID
 
 from fastapi import APIRouter, HTTPException, Query, status
 
-from app.dependencies import AnalyticsServiceDep, CurrentUserDep, PlanningServiceDep
+from app.dependencies import CurrentUserDep, PlanningServiceDep
 from app.models.planned_leave import (
     PlannedLeaveDayCreate,
     PlannedLeaveDayResponse,
-    PlannedLeaveDayUpdate,
 )
 from app.utils.errors import NotFoundError, ValidationError
 
@@ -73,8 +72,6 @@ async def list_planned_days_by_range(
     _current_user: CurrentUserDep = None,
 ) -> list[PlannedLeaveDayResponse]:
     # Inject dependencies manually for query parameters
-    from app.dependencies import PlanningServiceDep as PSep
-    from app.dependencies import CurrentUserDep as CUD
 
     # Since we can't easily pass Query params with FastAPI dependencies,
     # we'll need to inject them differently
diff --git a/backend/app/utils/dates.py b/backend/app/utils/dates.py
index 6a33985..2895d3e 100644
--- a/backend/app/utils/dates.py
+++ b/backend/app/utils/dates.py
@@ -4,7 +4,6 @@ Pure functions with no I/O or state. Used by planning and analytics services.
 """
 
 import datetime
-from typing import Union
 
 
 def add_months(date: datetime.date, n: int) -> datetime.date:
diff --git a/backend/tests/unit/test_break_period_repository.py b/backend/tests/unit/test_break_period_repository.py
index 526095d..255f955 100644
--- a/backend/tests/unit/test_break_period_repository.py
+++ b/backend/tests/unit/test_break_period_repository.py
@@ -10,10 +10,8 @@ from uuid import uuid4
 import pytest
 
 from app.entities.break_period import BreakPeriod
-from app.entities.personal_data import PersonalData
 from app.entities.workspace import Workspace
 from app.repositories_impl.sqlite.break_period_repository import SQLiteBreakPeriodRepository
-from app.repositories_impl.sqlite.personal_data_repository import SQLitePersonalDataRepository
 from app.repositories_impl.sqlite.workspace_repository import SQLiteWorkspaceRepository
 from app.services.break_period_service import BreakPeriodService
 from app.utils.errors import NotFoundError, ValidationError
diff --git a/backend/tests/unit/test_child_service.py b/backend/tests/unit/test_child_service.py
index 7b4e080..80d7e16 100644
--- a/backend/tests/unit/test_child_service.py
+++ b/backend/tests/unit/test_child_service.py
@@ -9,7 +9,6 @@ from uuid import uuid4
 
 import pytest
 
-from app.entities.child import Child
 from app.services.child_service import ChildService
 from app.utils.errors import NotFoundError, ValidationError
 from tests.conftest import SeededIds
diff --git a/backend/tests/unit/test_dates.py b/backend/tests/unit/test_dates.py
index d0cb3b3..ac6e958 100644
--- a/backend/tests/unit/test_dates.py
+++ b/backend/tests/unit/test_dates.py
@@ -2,7 +2,6 @@
 
 import datetime
 
-import pytest
 
 from app.utils.dates import add_months, age_in_months, fourth_birthday
 
diff --git a/backend/tests/unit/test_holidays.py b/backend/tests/unit/test_holidays.py
index 8eec311..91ac6b9 100644
--- a/backend/tests/unit/test_holidays.py
+++ b/backend/tests/unit/test_holidays.py
@@ -2,7 +2,6 @@
 
 import datetime
 
-import pytest
 
 from app.utils.holidays import (
     get_holiday_name,