diff --git a/waypoint_manager/scripts/devel_GUI.py b/waypoint_manager/scripts/devel_GUI.py
index 5e3168f..ea1a731 100755
--- a/waypoint_manager/scripts/devel_GUI.py
+++ b/waypoint_manager/scripts/devel_GUI.py
@@ -59,7 +59,6 @@
 		self.mat_affine = self.scale_mat(scale, self.mat_affine)
 		self.mat_affine = self.translate_mat(offset_x, offset_y, self.mat_affine)
 		self.draw_img_tk = self.draw_image(self.mat_affine)
-		self.canvas.create_image(0,0, anchor='nw', image=self.draw_img_tk)   # 画像の描画
 
 		## 右クリックしたときに表示するポップアップメニューを作成
 		self.popup_menu = tk.Menu(self, tearoff=tk.OFF)