diff --git a/spack.yaml b/spack.yaml
index 4d609e91b0a9dd66876a141fe1f4e00bb9c88068..98cf61e010a70bbf906ad1ab250c712ef22894c1 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -52,9 +52,9 @@ spack:
     - py-frites
     #- biobb-common
     #- biobb-md
-    - apbs
+    #- apbs
     - py-pdb2pqr
-    - sda
+    #- sda
     # demo for codejam12
     #- funniest1022
   concretization: together