diff --git a/cosmo-all/Dockerfile b/cosmo-all/Dockerfile
index 05cabf0..035c621 100644
--- a/cosmo-all/Dockerfile
+++ b/cosmo-all/Dockerfile
@@ -17,8 +17,7 @@ RUN : \
     mode "$mode" \
 ;
 
-RUN --mount=type=cache,id=cosmo-build-all,target=/cosmopolitan/o,sharing=locked \
-    --mount=type=tmpfs,target=/tmp : \
+RUN --mount=type=tmpfs,target=/tmp : \
  && . ./env \
  && if [ -e o.old ] \
     ;then : \
@@ -44,4 +43,6 @@ RUN --mount=type=cache,id=cosmo-build-all,target=/cosmopolitan/o,sharing=locked
     '!' -name '*_test.*' '!' -name 'test_*' -exec \
     install -m0755 -t /usr/local/bin {} \
     + \
+# save some space: \
+ && find o '(' -name '*.com.dbg' -o -name '*_test.*' -o -name 'test_*' ')' -delete \
 ;