diff --git a/.gitmodules b/.gitmodules
index 6adabcf..4a4e86a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "external/pybind11"]
 	path = external/pybind11
 	url = https://github.com/pybind/pybind11
-[submodule "external/libcatalogs"]
-	path = external/libcatalogs
-	url = https://hephaistos.lpp.polytechnique.fr/rhodecode/HG_REPOSITORIES/LPP/SciQLOP_Repos/libcatalogs
 [submodule "external/catalogicpp"]
 	path = external/catalogicpp
 	url = https://github.com/jeandet/catalogicpp
diff --git a/external/libcatalogs b/external/libcatalogs
deleted file mode 160000
index 635bd6d..0000000
--- a/external/libcatalogs
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 635bd6d7aeda5226fc49ddc651bc3a2201e5c2a7