diff --git a/containers/builder/spack.yaml b/containers/builder/spack.yaml
index 0488638c24f7ba1f4c7238eee574740d92c6cfaf..af27cfc779f657cf49caf76fb5aa42af545aa76d 100644
--- a/containers/builder/spack.yaml
+++ b/containers/builder/spack.yaml
@@ -26,7 +26,4 @@ spack:
   - dawn@3_91a
   - dawncut@1_54a
   concretization: together
-  config: 
-    install-tree: 
-      root: /opt/software
   view: /usr/local