diff --git a/pyproject.toml b/pyproject.toml
index ca54350..632339e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -88,7 +88,6 @@ ignore = [
     "N802",
     "PERF401",
     "ARG003",
-    "ANN001",
 ]
 
 [tool.mypy]
diff --git a/raillabel/format/frame.py b/raillabel/format/frame.py
index 7ec9068..3b8f8fb 100644
--- a/raillabel/format/frame.py
+++ b/raillabel/format/frame.py
@@ -225,21 +225,3 @@ def _annotations_asdict(self) -> dict:
                 )
 
         return annotations_dict
-
-    def __eq__(self, other) -> bool:
-        """Handel equal comparisons."""
-        if not hasattr(other, "__dict__"):
-            return False
-
-        if len(self.__dict__) != len(other.__dict__):
-            return False
-
-        for attr in self.__dict__:
-            if type(getattr(self, attr)) == type(self):
-                if getattr(self, attr).uid != getattr(other, attr).uid:
-                    return False
-
-            elif getattr(self, attr) != getattr(other, attr):
-                return False
-
-        return True
diff --git a/raillabel/format/sensor.py b/raillabel/format/sensor.py
index c757b8e..f52dac7 100644
--- a/raillabel/format/sensor.py
+++ b/raillabel/format/sensor.py
@@ -119,7 +119,7 @@ def _as_stream_dict(self) -> dict:
         return stream_repr
 
     @classmethod
-    def _extrinsics_fromdict(cls, data_dict) -> t.Optional[Transform]:
+    def _extrinsics_fromdict(cls, data_dict: t.Dict) -> t.Optional[Transform]:
         if "pose_wrt_parent" not in data_dict:
             return None
 
@@ -139,7 +139,7 @@ def _extrinsics_fromdict(cls, data_dict) -> t.Optional[Transform]:
 
     @classmethod
     def _intrinsics_fromdict(
-        cls, data_dict, sensor_type: t.Optional["SensorType"]
+        cls, data_dict: t.Dict, sensor_type: t.Optional["SensorType"]
     ) -> t.Optional[IntrinsicsPinhole]:
         if "stream_properties" not in data_dict:
             return None
@@ -157,7 +157,7 @@ def _intrinsics_fromdict(
         return None
 
     @classmethod
-    def _type_fromdict(cls, data_dict) -> t.Optional["SensorType"]:
+    def _type_fromdict(cls, data_dict: t.Dict) -> t.Optional["SensorType"]:
         if "type" not in data_dict:
             return None