diff --git a/containers/jug/Dockerfile.dev b/containers/jug/Dockerfile.dev
index 4f1c3a29165a532779f7114ece953e39e8ff9e76..3cf2f1aad13f30e96df9291e7e93d8674a46353d 100644
--- a/containers/jug/Dockerfile.dev
+++ b/containers/jug/Dockerfile.dev
@@ -94,12 +94,13 @@ RUN --mount=type=cache,target=/var/cache/spack-mirror                   \
  && spack clean -a
 
 ## Update the local build cache if needed. Consists of 3 steps:
-## 1. Remove the B010 network buildcache
+## 1. Remove the B010 network buildcache (silicon)
 ## 2. Get a list of all packages, and compare with what is already on
 ##    the buildcache (using package hash)
 ## 3. Add packages that need to be added to buildcache if any
 RUN --mount=type=cache,target=/var/cache/spack-mirror                   \
-    spack buildcache list --allarch --long                              \
+    spack mirror remove silicon                                         \
+ && spack buildcache list --allarch --long                              \
      | grep -v -e '---'                                                 \
      | sed "s/@.\+//"                                                   \
      | sort > tmp.buildcache.txt                                        \