diff --git a/roles/copr/backend/files/provision/files/mock/site-defaults.cfg b/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
index 4f72d4210e..0a72d72857 100644
--- a/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
+++ b/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
@@ -3,14 +3,12 @@
 config_opts['plugin_conf']['package_state_enable'] = False
 config_opts['plugin_conf']['ccache_enable'] = False
 
-config_opts['plugin_conf']['yum_cache_enable'] = True
-config_opts['plugin_conf']['yum_cache_opts']['max_age_days'] = 150
-config_opts['plugin_conf']['yum_cache_opts']['max_metadata_age_days'] = 150
-config_opts['plugin_conf']['yum_cache_opts']['dir'] = "%(cache_topdir)s/%(root)s/%(package_manager)s_cache/"
-config_opts['plugin_conf']['yum_cache_opts']['target_dir'] = "/var/cache/%(package_manager)s/"
+config_opts['plugin_conf']['yum_cache_enable'] = False
 
-config_opts['plugin_conf']['root_cache_enable'] = False
+config_opts['plugin_conf']['root_cache_enable'] = Enable
 config_opts['plugin_conf']['root_cache_opts']['age_check'] = False
+config_opts['plugin_conf']['root_cache_opts']['exclude_dirs'] = ["./proc", "./sys", "./dev",
+                                                                  "./tmp/ccache", "./var/cache/yum" ]
 
 config_opts['plugin_conf']['bind_mount_enable'] = False