diff --git a/thermion_dart/native/include/c_api/TRenderTarget.h b/thermion_dart/native/include/c_api/TRenderTarget.h
index 0e4f3993..5ec3a7fa 100644
--- a/thermion_dart/native/include/c_api/TRenderTarget.h
+++ b/thermion_dart/native/include/c_api/TRenderTarget.h
@@ -5,8 +5,6 @@
 #include "APIBoundaryTypes.h"
 #include "TMaterialInstance.h"
 #include "TTexture.h"
-#include "ResourceBuffer.hpp"
-#include "MathUtils.hpp"
 
 #ifdef __cplusplus
 extern "C"
diff --git a/thermion_dart/native/include/c_api/TScene.h b/thermion_dart/native/include/c_api/TScene.h
index a439b6cc..50d0d001 100644
--- a/thermion_dart/native/include/c_api/TScene.h
+++ b/thermion_dart/native/include/c_api/TScene.h
@@ -5,8 +5,6 @@
 #include "APIBoundaryTypes.h"
 #include "TMaterialInstance.h"
 #include "TTexture.h"
-#include "ResourceBuffer.hpp"
-#include "MathUtils.hpp"
 
 #ifdef __cplusplus
 extern "C"
diff --git a/thermion_dart/native/src/c_api/TCamera.cpp b/thermion_dart/native/src/c_api/TCamera.cpp
index d4c8a681..f2ee20b1 100644
--- a/thermion_dart/native/src/c_api/TCamera.cpp
+++ b/thermion_dart/native/src/c_api/TCamera.cpp
@@ -9,6 +9,7 @@
 #include <utils/Entity.h>
 
 #include "c_api/TCamera.h"
+
 #include "Log.hpp"
 #include "MathUtils.hpp"
 
diff --git a/thermion_dart/native/src/c_api/TEngine.cpp b/thermion_dart/native/src/c_api/TEngine.cpp
index b5453b16..f4f8091b 100644
--- a/thermion_dart/native/src/c_api/TEngine.cpp
+++ b/thermion_dart/native/src/c_api/TEngine.cpp
@@ -1,3 +1,8 @@
+#ifdef __EMSCRIPTEN__
+#include <emscripten/emscripten.h>
+#include <emscripten/html5.h>
+#endif
+
 #include "c_api/TEngine.h"
 
 #include <filament/Camera.h>
diff --git a/thermion_dart/native/src/c_api/TMaterialInstance.cpp b/thermion_dart/native/src/c_api/TMaterialInstance.cpp
index 25028be8..ff2e2caa 100644
--- a/thermion_dart/native/src/c_api/TMaterialInstance.cpp
+++ b/thermion_dart/native/src/c_api/TMaterialInstance.cpp
@@ -9,6 +9,7 @@
 
 #include "Log.hpp"
 #include "MathUtils.hpp"
+
 #include "material/image.h"
 #include "material/grid.h"
 #include "material/unlit_fixed_size.h"
diff --git a/thermion_dart/native/src/c_api/TTransformManager.cpp b/thermion_dart/native/src/c_api/TTransformManager.cpp
index 299f978c..7e13d8be 100644
--- a/thermion_dart/native/src/c_api/TTransformManager.cpp
+++ b/thermion_dart/native/src/c_api/TTransformManager.cpp
@@ -4,8 +4,9 @@
 #include <gltfio/math.h>
 
 #include "c_api/APIExport.h"
-#include "MathUtils.hpp"
+
 #include "Log.hpp"
+#include "MathUtils.hpp"
 
 using namespace thermion;