diff --git a/.gitmodules b/.gitmodules
index 71a8715..17f22b4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,6 +7,3 @@
 [submodule "2405-practice-react-dom-server"]
 	path = 2405-practice-react-dom-server
 	url = https://github.com/practice-skill-kyungsle/practice-react-dom-server.git
-[submodule "2405-take-threejs-class-GIS"]
-	path = 2405-take-threejs-class-GIS
-	url = https://github.com/practice-skill-kyungsle/take-threejs-class-GIS.git
diff --git a/2405-take-threejs-class-GIS b/2405-take-threejs-class-GIS
deleted file mode 160000
index 591268c..0000000
--- a/2405-take-threejs-class-GIS
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 591268c6dc68d26b3ce28a1dae20d6c2dd97aa89