diff --git a/spack.yaml b/spack.yaml
index 9d167f67b01c048b0f059055ad3664128324d9b2..dd048a31914287bfe55f3ae16e9fbf61e38f0bf5 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -28,7 +28,7 @@ spack:
     - py-formencode %gcc@10.3.0
     - tvb-framework ^binutils+ld+gold %gcc@10.3.0
     - pynn-brainscales@2.0-rc1 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock %gcc@10.3.0
-    - py-torch~mkldnn~cuda~cudnn~onnx_ml~rocm~tensorpipe~mpi~distributed ^protobuf@:3.17.999 %gcc@10.3.0
+    #- py-torch~mkldnn~cuda~cudnn~onnx_ml~rocm~tensorpipe~mpi~distributed ^protobuf@:3.17.999 %gcc@10.3.0
     #- py-lfpy@2.2.3 %gcc@10.3.0
     #- biobb-common %gcc@10.3.0
     # demo for codejam12