diff --git a/code/container/build_dlc-conda-example.sh b/code/container/build_dlc-conda-example.sh
index 38a0654edf62d9a85deb76534c04a7a7687dad95..6aac51fddaadaec3a6a0af8248693e49b9223fd1 100644
--- a/code/container/build_dlc-conda-example.sh
+++ b/code/container/build_dlc-conda-example.sh
@@ -3,10 +3,5 @@ module load apptainer
 
 #export APPTAINER_CACHEDIR=$WORK/.apptainer/cache
 
-# define software stack that will become default soon (September 2024)
-# see https://docs.hpc.gwdg.de/software/nhr_lmod/index.html
-export PREFERRED_SOFTWARE_STACK=nhr-lmod
-source /sw/etc/profile/profile.sh
-
 rm ~/dlc-conda-example.sif
 apptainer build --nv ~/dlc-conda-example.sif dlc-conda-example.def > build_dlc-conda-example.log 2>&1
diff --git a/code/container/build_dlc-dlwgpu.sh b/code/container/build_dlc-dlwgpu.sh
index 836a156c557fd116c28b537b40eabe602a202352..8fdd0fade6e4ae7865a5cce1f9bff3d930f12e15 100644
--- a/code/container/build_dlc-dlwgpu.sh
+++ b/code/container/build_dlc-dlwgpu.sh
@@ -2,10 +2,5 @@
 module load apptainer
 #export APPTAINER_CACHEDIR=$WORK/.apptainer/cache
 
-# define software stack that will become default soon (September 2024)
-# see https://docs.hpc.gwdg.de/software/nhr_lmod/index.html
-export PREFERRED_SOFTWARE_STACK=nhr-lmod
-source /sw/etc/profile/profile.sh
-
 rm ~/dlc-dlwgpu.sif
 apptainer build --nv ~/dlc-dlwgpu.sif dlc-dlwgpu.def > build_dlc-dlwgpu.log 2>&1