diff --git a/rebar.config b/rebar.config
index 3c05b44..12aa824 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,41 +1,41 @@
 %% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
 %% ex: ft=erlang ts=4 sw=4 et
 
 { erl_opts, [
             { parse_transform, lager_transform },
             { platform_define, "(linux|solaris|freebsd|darwin)", 'HAVE_SENDFILE' },
             debug_info,
             fail_on_warning
             ]
 }.
 { deps, [
     lager,
     { lager_syslog, "3.*", { git, "git://github.com/basho/lager_syslog.git", { tag, "3.0.1" } } },
     { eimap, ".*", { git, "https://git.kolab.org/diffusion/EI/eimap.git", { tag, "0.3.0" } } }
     %% pull in the proper version of meck before jobs 0.3 gets around to pulling in the wrong version
    ]
 }.
 
 { sub_dirs, [
     "apps/kolab_guam"
  ]}.
 { erl_first_files, ["apps/kolab_guam/src/kolab_guam_rule.erl"] }.
 { eunit_opts, [verbose, {skip_deps, true }] }.
 { eunit_exclude_deps, true }.
 { cover_enabled, true }.
 { relx, [ { release, { guam, "0.9.0" }, [kolab_guam]},
                 { dev_mode, false },
                 { include_erts, false },
                 { extended_start_script, true },
                 { overlay, [
                          { mkdir, "log/sasl" },
                          { template, "priv/sys.config", "etc/sys.config" },
                          { copy, "priv/vm.args", "vm.args" }
                      ]
                 }
          ]
 }.
 
 %%{require_otp_vsn, "17"}.
-{ pre_hooks, [ { clean, "rm -fr ebin priv erl_crash.dump" } ] }.
+{ pre_hooks, [ { clean, "rm -fr ebin erl_crash.dump" } ] }.