diff --git a/engine/include/cubos/engine/collisions/shapes/box.hpp b/engine/include/cubos/engine/collisions/shapes/box.hpp
index 82f4c1b92f..0b73787a47 100644
--- a/engine/include/cubos/engine/collisions/shapes/box.hpp
+++ b/engine/include/cubos/engine/collisions/shapes/box.hpp
@@ -19,6 +19,6 @@ namespace cubos::engine
 
         cubos::core::geom::Box box; ///< Box shape.
 
-        bool changed = true;
+        bool changed{true};
     };
 } // namespace cubos::engine
diff --git a/engine/samples/complex_physics/assets/scenes/red_cube.cubos b/engine/samples/complex_physics/assets/scenes/red_cube.cubos
index 7f430ef17f..bfe9ec1442 100644
--- a/engine/samples/complex_physics/assets/scenes/red_cube.cubos
+++ b/engine/samples/complex_physics/assets/scenes/red_cube.cubos
@@ -2,17 +2,14 @@
   "entities": {
     "cube": {
       "cubos::engine::AccumulatedCorrection": {
-          "x": 0.0,
-          "y": 0.0,
-          "z": 0.0
+        "x": 0.0,
+        "y": 0.0,
+        "z": 0.0
       },
       "cubos::engine::BoxCollisionShape": {
-        "box" : {
-          "x": 0.5,
-          "y": 0.5,
-          "z": 0.5 
-        },
-        "changed" : true
+        "x": 0.5,
+        "y": 0.5,
+        "z": 0.5 
       },
       "cubos::engine::Collider": {
         "a": {
diff --git a/engine/samples/complex_physics/assets/scenes/white_cube.cubos b/engine/samples/complex_physics/assets/scenes/white_cube.cubos
index d7df751831..6dc076ca27 100644
--- a/engine/samples/complex_physics/assets/scenes/white_cube.cubos
+++ b/engine/samples/complex_physics/assets/scenes/white_cube.cubos
@@ -7,12 +7,9 @@
           "z": 0.0
       },
       "cubos::engine::BoxCollisionShape": {
-        "box" : {
-          "x": 0.5,
-          "y": 0.5,
-          "z": 0.5 
-        },
-        "changed" : true
+        "x": 0.5,
+        "y": 0.5,
+        "z": 0.5 
       },
       "cubos::engine::Collider": {
         "a": {
diff --git a/engine/src/collisions/interface/shapes/box.cpp b/engine/src/collisions/interface/shapes/box.cpp
index 3f4e957076..c02ddb7cee 100644
--- a/engine/src/collisions/interface/shapes/box.cpp
+++ b/engine/src/collisions/interface/shapes/box.cpp
@@ -7,6 +7,5 @@ CUBOS_REFLECT_IMPL(cubos::engine::BoxCollisionShape)
 {
     return core::ecs::TypeBuilder<BoxCollisionShape>("cubos::engine::BoxCollisionShape")
         .withField("box", &BoxCollisionShape::box)
-        .withField("changed", &BoxCollisionShape::changed)
         .build();
 }