diff --git a/.gitmodules b/.gitmodules
index 4d8154eb7f65f1cf590abcf6adf53eb6c4e87217..18db3a4800d417b134c44a424a8cd1af54b51727 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,6 +13,3 @@
 [submodule "src/ulocollect"]
 	path = src/ulocollect
 	url = git@gitlab.cs.fau.de:kissen/ulocollect.git
-[submodule "src/luo"]
-	path = src/luo
-	url = git@gitlab.cs.fau.de:kissen/luo.git
diff --git a/src/luo b/src/luo
deleted file mode 160000
index a8bedb3cf0adb15ad8a611a6805fc5683ecbe9ac..0000000000000000000000000000000000000000
--- a/src/luo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a8bedb3cf0adb15ad8a611a6805fc5683ecbe9ac
diff --git a/src/ulocollect b/src/ulocollect
index 31cf3875bcc4d4a0ec7fe47cdc8e4819579e61dd..f959929ab8596267b36fdc0cbc49a2d4946c9822 160000
--- a/src/ulocollect
+++ b/src/ulocollect
@@ -1 +1 @@
-Subproject commit 31cf3875bcc4d4a0ec7fe47cdc8e4819579e61dd
+Subproject commit f959929ab8596267b36fdc0cbc49a2d4946c9822