diff --git a/spack.yaml b/spack.yaml
index 6b59a044b631a273b1ce1931ba294dc2ab0511b1..0f7e2c5f2680e600967dba7adc8fd2262578fdf7 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -51,10 +51,10 @@ spack:
     - py-tvb-contrib@2.9.1
     - py-tvb-library@2.9.1
 #    - 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