diff --git a/.gitmodules b/.gitmodules
index 9c4be8bab0ad06af04dab930d151388062890e83..e13a7994603d5d0c65f85c6038647584129f1ec2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,10 +1,8 @@
 [submodule "modules/data"]
     path = modules/data
     url = ../../AirShowerPhysics/corsika-data.git
-    branch = master
     shallow = true
 [submodule "modules/conex"]
 	path = modules/conex
 	url = ../../AirShowerPhysics/cxroot.git
-	branch = master
 	shallow = true