diff --git a/spack.yaml b/spack.yaml
index 06f907f3e7edbcfa93a84f7b51155a09685edc01..f6f8463fbc938c49380f595ab43b5bdae9514f95 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -1,6 +1,6 @@
 spack:
   specs:
-    - acts@19.0.0 +dd4hep +digitization +identification +json +tgeo +ipo +examples +fatras +geant4
+    - acts@19.0.0 +dd4hep +identification +json +tgeo +ipo +examples +fatras +geant4
     - cairo@1.16.0 +fc+ft+X+pdf+gobject
     - clhep@2.4.4.0 cxxstd=17
     - cmake@3.21.4