diff --git a/frigate/ptz/autotrack.py b/frigate/ptz/autotrack.py
index c1364f0aa..1dcc8405d 100644
--- a/frigate/ptz/autotrack.py
+++ b/frigate/ptz/autotrack.py
@@ -55,9 +55,6 @@ class PtzMotionEstimator:
         self.camera_config = config
         self.coord_transformations = None
         self.ptz_metrics = ptz_metrics
-        self.ptz_start_time = self.ptz_metrics.start_time
-        self.ptz_stop_time = self.ptz_metrics.stop_time
-
         self.ptz_metrics.reset.set()
         logger.debug(f"{config.name}: Motion estimator init")
 
@@ -86,7 +83,9 @@ class PtzMotionEstimator:
             self.coord_transformations = None
 
         if ptz_moving_at_frame_time(
-            frame_time, self.ptz_start_time.value, self.ptz_stop_time.value
+            frame_time,
+            self.ptz_metrics.start_time.value,
+            self.ptz_metrics.stop_time.value,
         ):
             logger.debug(
                 f"{camera}: Motion estimator running - frame time: {frame_time}"
diff --git a/frigate/track/norfair_tracker.py b/frigate/track/norfair_tracker.py
index 985a53165..99085be4d 100644
--- a/frigate/track/norfair_tracker.py
+++ b/frigate/track/norfair_tracker.py
@@ -85,7 +85,6 @@ class NorfairTracker(ObjectTracker):
         self.camera_config = config
         self.detect_config = config.detect
         self.ptz_metrics = ptz_metrics
-        self.ptz_autotracker_enabled = ptz_metrics.autotracker_enabled
         self.ptz_motion_estimator = {}
         self.camera_name = config.name
         self.track_id_map = {}
@@ -104,7 +103,7 @@ class NorfairTracker(ObjectTracker):
             #       the different tracker per object class
             filter_factory=OptimizedKalmanFilterFactory(R=3.4),
         )
-        if self.ptz_autotracker_enabled.value:
+        if self.ptz_metrics.autotracker_enabled.value:
             self.ptz_motion_estimator = PtzMotionEstimator(
                 self.camera_config, self.ptz_metrics
             )
@@ -315,7 +314,7 @@ class NorfairTracker(ObjectTracker):
 
         coord_transformations = None
 
-        if self.ptz_autotracker_enabled.value:
+        if self.ptz_metrics.autotracker_enabled.value:
             # we must have been enabled by mqtt, so set up the estimator
             if not self.ptz_motion_estimator:
                 self.ptz_motion_estimator = PtzMotionEstimator(