diff --git a/pungi/phases/gather/methods/method_deps.py b/pungi/phases/gather/methods/method_deps.py
index 3c7b54fb..083992ef 100644
--- a/pungi/phases/gather/methods/method_deps.py
+++ b/pungi/phases/gather/methods/method_deps.py
@@ -146,7 +146,7 @@ def write_pungi_config(compose, arch, variant, packages, groups, filter_packages
                         '{0.name}-{1}:{0.version}-{0.release}'.format(rpm_obj, rpm_obj.epoch or 0))
 
         # Drop the packageset to hopefully save some memory
-        variant.pkgset = None
+        variant.pkgset.rpms_by_arch[arch] = None
 
     pungi_wrapper.write_kickstart(
         ks_path=pungi_cfg, repos=repos, groups=groups, packages=packages_str,