diff --git a/frigate/config.py b/frigate/config.py
index 14b15e07b..fb35fe29f 100644
--- a/frigate/config.py
+++ b/frigate/config.py
@@ -129,18 +129,11 @@ class MqttConfig(FrigateBaseModel):
 
 class PtzAutotrackConfig(FrigateBaseModel):
     enabled: bool = Field(default=False, title="Enable PTZ auto tracking.")
-    motion_estimator: bool = Field(default=False, title="Use Norfair motion estimator.")
     track: List[str] = Field(default=DEFAULT_TRACKED_OBJECTS, title="Objects to track.")
     required_zones: List[str] = Field(
         default_factory=list,
         title="List of required zones to be entered in order to begin autotracking.",
     )
-    size_ratio: float = Field(
-        default=0.5,
-        title="Target ratio of tracked object to field of view (0.2-0.9).",
-        ge=0.2,
-        le=0.9,
-    )
     return_preset: Optional[str] = Field(
         title="Name of camera preset to return to when object tracking is over."
     )
diff --git a/frigate/track/norfair_tracker.py b/frigate/track/norfair_tracker.py
index 48cc029ee..c051bf13a 100644
--- a/frigate/track/norfair_tracker.py
+++ b/frigate/track/norfair_tracker.py
@@ -239,10 +239,7 @@ class NorfairTracker(ObjectTracker):
 
         coord_transformations = None
 
-        if (
-            self.ptz_autotracker_enabled
-            and self.camera_config.onvif.autotracking.motion_estimator
-        ):
+        if self.ptz_autotracker_enabled:
             coord_transformations = self.ptz_motion_estimator.motion_estimator(
                 detections, frame_time, self.camera_name
             )