diff --git a/app/api/audit_logs.py b/app/api/audit_logs.py
index 3f6fa9a7..41a01bcd 100644
--- a/app/api/audit_logs.py
+++ b/app/api/audit_logs.py
@@ -20,16 +20,14 @@ logger = logging.getLogger(__name__)
 
 router = APIRouter()
 
-# Module-level dependency singleton to satisfy Ruff B008 while maintaining default values for manual calls (e.g. in decorators).
-_db_dep = Depends(get_db)
-DbSession = Annotated[Session, _db_dep]
+DbSession = Annotated[Session, Depends(get_db)]
 
 
 @router.get("/audit-logs")
 @require_login
 async def list_audit_logs(
     request: Request,
-    db: DbSession = _db_dep,
+    db: DbSession,
     action: Annotated[str | None, Query(description="Filter by action (exact match)")] = None,
     user: Annotated[str | None, Query(description="Filter by username")] = None,
     resource_type: Annotated[str | None, Query(description="Filter by resource type")] = None,
@@ -75,7 +73,7 @@ async def list_audit_logs(
 @require_login
 async def list_distinct_actions(
     request: Request,
-    db: DbSession = _db_dep,
+    db: DbSession,
 ) -> list[str]:
     """Return the distinct action values present in the audit log."""
     from app.models import AuditLog
@@ -88,7 +86,7 @@ async def list_distinct_actions(
 @require_login
 async def list_distinct_users(
     request: Request,
-    db: DbSession = _db_dep,
+    db: DbSession,
 ) -> list[str]:
     """Return the distinct user values present in the audit log."""
     from app.models import AuditLog
diff --git a/test_b008.py b/test_b008.py
deleted file mode 100644
index 654838dc..00000000
--- a/test_b008.py
+++ /dev/null
@@ -1,7 +0,0 @@
-from typing import Annotated
-
-def Query(default, **kwargs):
-    return default
-
-def test_func(action: Annotated[str | None, Query(None, description="test")] = None):
-    pass
diff --git a/test_b008_annotated.py b/test_b008_annotated.py
deleted file mode 100644
index bd153a44..00000000
--- a/test_b008_annotated.py
+++ /dev/null
@@ -1,7 +0,0 @@
-from typing import Annotated
-
-def Query(default=None, **kwargs):
-    return default
-
-def test_func(limit: Annotated[int, Query(50, ge=1)] = 50):
-    pass
diff --git a/test_b008_annotated_default.py b/test_b008_annotated_default.py
deleted file mode 100644
index b7f185d4..00000000
--- a/test_b008_annotated_default.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from typing import Annotated
-def Query(default=None, **kwargs): return default
-def test_func(limit: Annotated[int, Query(50, ge=1)] = 50):
-    pass
diff --git a/test_b008_depends.py b/test_b008_depends.py
deleted file mode 100644
index fdb486ce..00000000
--- a/test_b008_depends.py
+++ /dev/null
@@ -1,6 +0,0 @@
-def Depends(arg=None):
-    return arg
-def get_db():
-    pass
-def test_func(db=Depends(get_db)):
-    pass
diff --git a/test_b008_standard_fastapi.py b/test_b008_standard_fastapi.py
deleted file mode 100644
index 159b0ccb..00000000
--- a/test_b008_standard_fastapi.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from typing import Annotated
-
-class Depends:
-    def __init__(self, dependency=None):
-        pass
-
-def get_db():
-    pass
-
-DbSession = Annotated[int, Depends(get_db)]
-
-# This is what I want to use
-def test_func_ok(db: DbSession = Depends()):
-    pass
-
-# This is what Ruff should flag
-def test_func_bad(db: int = Depends(get_db)):
-    pass
diff --git a/test_b008_standard_fastapi_2.py b/test_b008_standard_fastapi_2.py
deleted file mode 100644
index f4bb8c27..00000000
--- a/test_b008_standard_fastapi_2.py
+++ /dev/null
@@ -1,14 +0,0 @@
-from typing import Annotated
-
-class Depends:
-    def __init__(self, dependency=None):
-        pass
-
-def get_db():
-    pass
-
-DbSession = Annotated[int, Depends(get_db)]
-
-# Cleanest Annotated pattern
-def test_func_clean(db: DbSession):
-    pass
diff --git a/test_ruff_annotated.py b/test_ruff_annotated.py
deleted file mode 100644
index d1dda02c..00000000
--- a/test_ruff_annotated.py
+++ /dev/null
@@ -1,16 +0,0 @@
-from typing import Annotated
-
-def Query(default=None, **kwargs):
-    return default
-
-def Depends(dependency=None):
-    return dependency
-
-def get_db():
-    return None
-
-def test_func(
-    db: Annotated[int, Depends(get_db)] = Depends(),
-    action: Annotated[str | None, Query(None, description="test")] = None
-):
-    pass
diff --git a/test_ruff_annotated_fastapi.py b/test_ruff_annotated_fastapi.py
deleted file mode 100644
index b19d42b1..00000000
--- a/test_ruff_annotated_fastapi.py
+++ /dev/null
@@ -1,11 +0,0 @@
-from typing import Annotated
-
-class Depends:
-    def __init__(self, dependency=None):
-        pass
-
-def get_db():
-    pass
-
-def test_func(db: Annotated[int, Depends(get_db)] = Depends()):
-    pass
diff --git a/test_ruff_annotated_metadata.py b/test_ruff_annotated_metadata.py
deleted file mode 100644
index e26b1068..00000000
--- a/test_ruff_annotated_metadata.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from typing import Annotated
-def Query(x=None, **kwargs): return x
-def test_func(x: Annotated[str, Query(None, description="test")] = None):
-    pass
diff --git a/test_ruff_annotated_none.py b/test_ruff_annotated_none.py
deleted file mode 100644
index f2b21fc1..00000000
--- a/test_ruff_annotated_none.py
+++ /dev/null
@@ -1,6 +0,0 @@
-from typing import Annotated
-def Depends(x): return x
-def get_db(): return "db"
-DbSession = Annotated[str, Depends(get_db)]
-def test_func(db: DbSession = None):
-    pass