diff --git a/.gitmodules b/.gitmodules
index 70ce04b..2ff02bc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "ros-indoor-gps-fusion"]
-	path = ros-indoor-gps-fusion
-	url = https://github.com/methylDragon/ros-indoor-gps-fusion.git
 [submodule "Example Implementation/ros-indoor-gps-fusion"]
 	path = Example Implementation/ros-indoor-gps-fusion
 	url = https://github.com/methylDragon/ros-indoor-gps-fusion.git