diff --git a/spack.yaml b/spack.yaml
index 782273d7bd895e000cd504888706508ab27bc97e..dd8da7c86839da29915e8605f1d25bedfb3ccb4d 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -52,10 +52,10 @@ spack:
     - py-tvb-library@2.9.2
     - py-tvb-multiscale@2.1.0.ebrains
 #    - py-tvb-multiscale@2.1.0.ebrains
-    - py-tvb-widgets@2.1.0
+#    - py-tvb-widgets@2.1.0
     - py-tvb-ext-bucket
     - py-tvb-ext-unicore
-    - py-tvb-ext-xircuits@1.1.0
+#    - py-tvb-ext-xircuits@1.1.0
 #    - py-viziphant@0.4.0
     - pynn-brainscales@9.0-a8
     - r-rgsl@0.1.1