diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index 4a2dcd6d605eadc3299f9344577181bbd7537805..f21d2f91e4f0886ac4380460f723e7b6a0d63ea6 100644
--- a/spack-environment/dev/spack.yaml
+++ b/spack-environment/dev/spack.yaml
@@ -5,7 +5,6 @@ spack:
   specs:
     - acts
     - actsvg
-    - acts-dd4hep
     - afterburner
     - algorithms
     - cairo