diff --git a/lib/src/geojson.dart b/lib/src/geojson.dart
index 619fe12..4a7fea4 100644
--- a/lib/src/geojson.dart
+++ b/lib/src/geojson.dart
@@ -210,9 +210,7 @@ class Position extends CoordinateType {
         ]);
 
   /// Position.of([<Lng>, <Lat>, <Alt (optional)>])
-  Position.of(List<num> list)
-      : assert(list.length >= 2 && list.length <= 3),
-        super(list);
+  Position.of(super.list) : assert(list.length >= 2 && list.length <= 3);
 
   factory Position.fromJson(List<num> list) => Position.of(list);
 
@@ -324,9 +322,7 @@ class BBox extends CoordinateType {
         ]);
 
   /// Position.of([<Lng>, <Lat>, <Alt (optional)>])
-  BBox.of(List<num> list)
-      : assert(list.length == 4 || list.length == 6),
-        super(list);
+  BBox.of(super.list) : assert(list.length == 4 || list.length == 6);
 
   factory BBox.fromJson(List<num> list) => BBox.of(list);
 
@@ -392,8 +388,7 @@ class BBox extends CoordinateType {
 }
 
 abstract class GeometryObject extends GeoJSONObject {
-  GeometryObject.withType(GeoJSONObjectType type, {BBox? bbox})
-      : super.withType(type, bbox: bbox);
+  GeometryObject.withType(super.type, {super.bbox}) : super.withType();
 
   static GeometryObject deserialize(Map<String, dynamic> json) {
     return json['type'] == 'GeometryCollection' ||
diff --git a/lib/src/line_to_polygon.dart b/lib/src/line_to_polygon.dart
index bf537da..59e0152 100644
--- a/lib/src/line_to_polygon.dart
+++ b/lib/src/line_to_polygon.dart
@@ -60,7 +60,6 @@ Feature lineToPolygon(
             ...list,
             ...currentGeometry.coordinates
                 .map((e) => e.map((p) => p.clone()).toList())
-                .toList()
           ];
         } else {
           throw Exception("$currentGeometry type is not supperted");
diff --git a/lib/src/nearest_point_on_line.dart b/lib/src/nearest_point_on_line.dart
index 4656bef..1e037be 100644
--- a/lib/src/nearest_point_on_line.dart
+++ b/lib/src/nearest_point_on_line.dart
@@ -37,18 +37,13 @@ class _NearestMulti extends _Nearest {
   final int localIndex;
 
   _NearestMulti({
-    required Point point,
-    required num distance,
-    required int index,
+    required super.point,
+    required super.distance,
+    required super.index,
     required this.localIndex,
-    required num location,
+    required super.location,
     required this.line,
-  }) : super(
-          point: point,
-          distance: distance,
-          index: index,
-          location: location,
-        );
+  });
 
   @override
   Feature<Point> toFeature() {