diff --git a/env/DAMASK.csh b/env/DAMASK.csh
index d5bfb4437..26e2dd8a2 100644
--- a/env/DAMASK.csh
+++ b/env/DAMASK.csh
@@ -3,15 +3,7 @@
 
 set CALLED=($_)
 set DIRNAME=`dirname $CALLED[2]`
-
-# transition compatibility (renamed $DAMASK_ROOT/DAMASK_env.csh to $DAMASK_ROOT/env/DAMASK.csh)
-set FILENAME=`basename $CALLED[2]`
-if ($FILENAME == "DAMASK.csh") then
-  set DIRNAME=$DIRNAME"/../"
-endif
-
-set DAMASK_ROOT=`python -c "import os,sys; print(os.path.realpath(os.path.expanduser(sys.argv[1])))" $DIRNAME`
-
+set DAMASK_ROOT=`python -c "import os,sys; print(os.path.realpath(os.path.expanduser(sys.argv[1])))" $DIRNAME"/../"`
 
 source $DAMASK_ROOT/CONFIG