diff --git a/protobuf/src/main/proto/car/slam/SlamController.proto b/protobuf/src/main/proto/car/slam/SlamController.proto
index b4e91c8..95c96cd 100644
--- a/protobuf/src/main/proto/car/slam/SlamController.proto
+++ b/protobuf/src/main/proto/car/slam/SlamController.proto
@@ -9,7 +9,6 @@ import "car/empty.proto";
 message SlamDetails {
     int32 map_size_pixels = 1;
     int32 map_size_meters = 2;
-    int32 port = 3;
 }
 
 message SlamRow{
diff --git a/protobuf/src/main/proto/car/tracking/lidar_tracker.proto b/protobuf/src/main/proto/car/tracking/lidar_tracker.proto
index 3f8d2f4..01ec62b 100644
--- a/protobuf/src/main/proto/car/tracking/lidar_tracker.proto
+++ b/protobuf/src/main/proto/car/tracking/lidar_tracker.proto
@@ -27,5 +27,5 @@ service PersonTracking{
 
     rpc stop_tracking(Empty) returns (Empty) {}
 
-    rpc start_tracking(Int32Value) returns (Empty) {}
+    rpc start_tracking(Empty) returns (Empty) {}
 }
\ No newline at end of file