diff --git a/server/gameserver/typeconvert.cc b/server/gameserver/typeconvert.cc
index af20e43..eefa804 100644
--- a/server/gameserver/typeconvert.cc
+++ b/server/gameserver/typeconvert.cc
@@ -2,8 +2,6 @@
 
 #include "cs_proto.pb.h"
 
-#include "vector2d.h"
-
 namespace TypeConvert
 {
     void ToPb(const a8::Vec2& v, cs::MFVector2D* pb_obj)
diff --git a/server/gameserver/vector2d.cc b/server/gameserver/vector2d.cc
deleted file mode 100644
index 9b0a120..0000000
--- a/server/gameserver/vector2d.cc
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "precompile.h"
-
-#include <math.h>
-
-#if 1
-#include <glm/glm.hpp>
-#include <glm/gtc/matrix_transform.hpp>
-#include <glm/vec2.hpp>
-#else
-#include <Eigen/Core>
-#include <Eigen/Dense>
-#endif
diff --git a/server/gameserver/vector2d.h b/server/gameserver/vector2d.h
deleted file mode 100644
index 6f70f09..0000000
--- a/server/gameserver/vector2d.h
+++ /dev/null
@@ -1 +0,0 @@
-#pragma once