diff --git a/tools/building.py b/tools/building.py
index ae9c8da6d119084542400c1f2f5e05b992042851..61c1de743d7a0c050184d84a9dcfc11cf6070ebe 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -192,8 +192,6 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
             LINKCOMSTR = 'LINK $TARGET'
         )
 
-    Repository(Rtt_Root)
-
     # we need to seperate the variant_dir for BSPs and the kernels. BSPs could
     # have their own components etc. If they point to the same folder, SCons
     # would find the wrong source code to compile.