diff --git a/ruff.toml b/ruff.toml
index 0dce444f..25125cd7 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -68,7 +68,6 @@ ignore = [
 	"COM812",  # ignore due to conflict with formatter
 	"ISC001",  # ignore due to conflict with formatter
 	"E501",    # managed by formatter
-	"SLF001",  # allow accessing private members
 	"TD002",   # don't require author of TODO
 	"TD003",   # don't require link to TODO
 	"D100",    # don't enforce existance of docstrings
diff --git a/timed/conftest.py b/timed/conftest.py
index 10d24962..526996a0 100644
--- a/timed/conftest.py
+++ b/timed/conftest.py
@@ -15,7 +15,7 @@
 
 def register_module(module):
     for _name, obj in inspect.getmembers(module):
-        if isinstance(obj, FactoryMetaClass) and not obj._meta.abstract:
+        if isinstance(obj, FactoryMetaClass) and not obj._meta.abstract:  # noqa: SLF001
             register(obj)
 
 
diff --git a/timed/mixins.py b/timed/mixins.py
index a36d30c0..3ee36a4a 100644
--- a/timed/mixins.py
+++ b/timed/mixins.py
@@ -50,7 +50,7 @@ def get_serializer(self, data=None, *args, **kwargs):
         # prefetch data for all related fields
         prefetch_per_field = {}
         serializer_class = self.get_serializer_class()
-        for key, value in serializer_class._declared_fields.items():
+        for key, value in serializer_class._declared_fields.items():  # noqa: SLF001
             if self._is_related_field(value):
                 source = value.source or key
                 if many:
diff --git a/timed/reports/filters.py b/timed/reports/filters.py
index 5afa6f7d..52726275 100644
--- a/timed/reports/filters.py
+++ b/timed/reports/filters.py
@@ -78,9 +78,9 @@ def filter_queryset(self, queryset):
 
         duration_ref = self._refs["reports_ref"] + "__duration"
 
-        full_qs = qs._base.annotate(
+        full_qs = qs._base.annotate(  # noqa: SLF001
             duration=Coalesce(
-                Sum(duration_ref, filter=qs._agg_filters),
+                Sum(duration_ref, filter=qs._agg_filters),  # noqa: SLF001
                 Value("00:00:00", DurationField(null=False)),
             ),
             pk=F("id"),
diff --git a/timed/reports/tests/test_work_report.py b/timed/reports/tests/test_work_report.py
index b5773086..f1d683eb 100644
--- a/timed/reports/tests/test_work_report.py
+++ b/timed/reports/tests/test_work_report.py
@@ -153,7 +153,7 @@ def test_generate_work_report_name(customer_name, project_name, expected):
     # slashes should be dropped from file name
     project = ProjectFactory.create(customer=customer, name=project_name)
 
-    name = view._generate_workreport_name(test_date, test_date, project)
+    name = view._generate_workreport_name(test_date, test_date, project)  # noqa: SLF001
     assert name == expected
 
 
diff --git a/timed/reports/views.py b/timed/reports/views.py
index 877876fc..582d25df 100644
--- a/timed/reports/views.py
+++ b/timed/reports/views.py
@@ -113,7 +113,7 @@ def filter_base(self, *args, **kwargs):
     def _clone(self):
         return StatisticQueryset(
             model=self.model,
-            base_qs=self._base._clone(),
+            base_qs=self._base._clone(),  # noqa: SLF001
             catch_prefixes=self._catch_prefixes,
             agg_filters=self._agg_filters,
         )