diff --git a/.gitmodules b/.gitmodules
index 507cc51797a8b917f8674f9832373b96f58cdf21..5429f2d75f591d52f001615fddde188e8bd012de 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,8 +12,4 @@
 	path = modules/conex
 	url = ../../AirShowerPhysics/cxroot.git
 	branch = master
-    shallow = true
-[submodule "externals/arrow"]
-	path = externals/arrow
-	url = https://github.com/apache/arrow
 	shallow = true
diff --git a/externals/arrow b/externals/arrow
deleted file mode 160000
index d613aa68789288d3503dfbd8376a41f2d28b6c9d..0000000000000000000000000000000000000000
--- a/externals/arrow
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d613aa68789288d3503dfbd8376a41f2d28b6c9d