diff --git a/spack.yaml b/spack.yaml
index 8451670d07c2df95a98d7a08075e1c364d6741ec..fc6e1065c31ec7b02a3b41587ffa672e68391503 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -4,4 +4,4 @@ spack:
     - arbor +mpi %gcc@10.3.0
     #- neuron +mpi %gcc@10.3.0
     # BrainScaleS (plus some constraining)
-    - visionary-dls-core ^py-setuptools-scm+toml ^python@3.8.0:3.8.999 ^binutils+ld ^py-astroid@2.5.6:2.6.999 ^py-scipy@:1.6.999 %gcc@10.3.0
+    #- visionary-dls-core ^py-setuptools-scm+toml ^python@3.8.0:3.8.999 ^binutils+ld ^py-astroid@2.5.6:2.6.999 ^py-scipy@:1.6.999 %gcc@10.3.0