diff --git a/scripts/testbed-create.py b/scripts/testbed-create.py
index ec95f31..9aa62b7 100755
--- a/scripts/testbed-create.py
+++ b/scripts/testbed-create.py
@@ -113,11 +113,7 @@ def create_layers(entries: Iterable[TestbedEntry]) -> Iterable[TestbedLayer]:
       if git_url is None:
         logging.error(f"{pkg['fullName']}: Package lacks a Git source")
       else:
-        cache_builds = (
-          args.cache and
-          pkg['owner'] in ['leanprover', 'leanprover-community'] and
-          pkg['fullName'] != 'leanprover-community/mathlib'
-        )
+        cache_builds = args.cache and pkg['fullName'] != 'leanprover-community/mathlib'
         entry = create_entry(
           pkg['fullName'], git_url,
           toolchains, args.version_tags, cache_builds,