diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ea1e541e..8c954e882 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -307,7 +307,6 @@ ENDIF()
 
 # Editor mode
 IF(ECHO_EDITOR_MODE)
-	ADD_SUBDIRECTORY(tool)
 	ADD_SUBDIRECTORY(tests/unittest)
 
 	IF(ECHO_PLATFORM_WINDOWS)
diff --git a/engine/modules/scene/planet/data/data_server.cpp b/engine/modules/scene/planet/data/data_server.cpp
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/data_server.h b/engine/modules/scene/planet/data/data_server.h
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/elevation/elevation_layer.cpp b/engine/modules/scene/planet/data/elevation/elevation_layer.cpp
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/elevation/elevation_layer.h b/engine/modules/scene/planet/data/elevation/elevation_layer.h
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/elevation/elevation_tile.cpp b/engine/modules/scene/planet/data/elevation/elevation_tile.cpp
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/elevation/elevation_tile.h b/engine/modules/scene/planet/data/elevation/elevation_tile.h
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/planet_data.cpp.txt b/engine/modules/scene/planet/data/planet_data.cpp.txt
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/data/planet_data.h.txt b/engine/modules/scene/planet/data/planet_data.h.txt
deleted file mode 100644
index e69de29bb..000000000
diff --git a/engine/modules/scene/planet/planet.cpp b/engine/modules/scene/planet/planet.cpp
deleted file mode 100644
index 3056208ab..000000000
--- a/engine/modules/scene/planet/planet.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "planet.h"
-
-namespace Echo
-{
-	void Planet::bindMethods()
-	{
-
-	}
-}
\ No newline at end of file
diff --git a/engine/modules/scene/planet/planet.h b/engine/modules/scene/planet/planet.h
deleted file mode 100644
index 72d67e18e..000000000
--- a/engine/modules/scene/planet/planet.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#pragma once
-
-#include "engine/core/scene/render_node.h"
-
-namespace Echo
-{
-	class Planet : public Render
-	{
-		ECHO_CLASS(Planet, Render)
-	};
-}
\ No newline at end of file
diff --git a/engine/modules/scene/scene_module.cpp b/engine/modules/scene/scene_module.cpp
index 2afda7ae0..a77beee83 100644
--- a/engine/modules/scene/scene_module.cpp
+++ b/engine/modules/scene/scene_module.cpp
@@ -3,7 +3,6 @@
 #include "terrain/editor/terrain_editor.h"
 #include "tilemap/tilemap.h"
 #include "tilemap/editor/tilemap_editor.h"
-#include "planet/planet.h"
 
 namespace Echo
 {
@@ -33,7 +32,6 @@ namespace Echo
     {
         Class::registerType<Terrain>();
         Class::registerType<TileMap>();
-		Class::registerType<Planet>();
         
         CLASS_REGISTER_EDITOR(Terrain, TerrainEditor)
         CLASS_REGISTER_EDITOR(TileMap, TileMapEditor)
diff --git a/tool/CMakeLists.txt b/tool/CMakeLists.txt
deleted file mode 100644
index ba0135325..000000000
--- a/tool/CMakeLists.txt
+++ /dev/null
@@ -1 +0,0 @@
-ADD_SUBDIRECTORY("build")
\ No newline at end of file
diff --git a/tool/build/CMakeLists.txt b/tool/build/CMakeLists.txt
deleted file mode 100644
index b26f7800b..000000000
--- a/tool/build/CMakeLists.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-MESSAGE( STATUS "Configuring module: build")
-
-# set module name
-SET(MODULE_NAME build)
-
-# include directories
-INCLUDE_DIRECTORIES( ${ECHO_ROOT_PATH})
-INCLUDE_DIRECTORIES( ${ECHO_ROOT_PATH}/thirdparty)
-INCLUDE_DIRECTORIES( ${CMAKE_CURRENT_SOURCE_DIR})
-
-# link
-LINK_DIRECTORIES(${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
-
-# recursive get all module files
-FILE( GLOB_RECURSE HEADER_FILES *.h *.inl *.hpp)
-FILE( GLOB_RECURSE SOURCE_FILES *.cpp *.mm)
-
-SET(ALL_FILES ${HEADER_FILES} ${SOURCE_FILES})
-
-# group files by folder
-GROUP_FILES(ALL_FILES ${CMAKE_CURRENT_SOURCE_DIR})
-
-# generate module library
-ADD_EXECUTABLE(${MODULE_NAME} ${ALL_FILES} CMakeLists.txt)
-
-# link libraries
-#TARGET_LINK_LIBRARIES(${MODULE_NAME} )
-
-# no cmd window
-SET_TARGET_PROPERTIES(${MODULE_NAME} PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:WINDOWS /entry:mainCRTStartup")
-SET_TARGET_PROPERTIES(${MODULE_NAME} PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS /entry:mainCRTStartup")
-
-# set folder
-SET_TARGET_PROPERTIES(${MODULE_NAME} PROPERTIES FOLDER "tool")
-
-# log
-MESSAGE(STATUS "Configure success!")
diff --git a/tool/build/Main.cpp b/tool/build/Main.cpp
deleted file mode 100644
index 7b3074653..000000000
--- a/tool/build/Main.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <stdio.h>
-
-int main(int argc, char* argv[])
-{
-	return 0;
-}