diff --git a/spack.yaml b/spack.yaml
index cbd61944346648fdaed74f83bc3df664d9c3db17..14538e8cb2522356fbb51317fc1eef71c590d676 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -30,7 +30,6 @@ spack:
     - tvb-framework ^binutils+ld+gold
     - pynn-brainscales@2.0-rc1 ^log4cxx@0.10.0 ^googletest@1.11.0:+gmock
     - py-neo
-    - oppulance@2.0-rc2
     #- py-cerebstats
     #- py-cerebunit
     - py-cerebrus