diff --git a/rebar.config b/rebar.config
index 8aca7c1..caec78c 100644
--- a/rebar.config
+++ b/rebar.config
@@ -3,11 +3,6 @@
              {"DRV_LDFLAGS", "$DRV_LDFLAGS c_src/system/lib/libdb.a -lpthread"}
             ]}.
 
-{port_pre_script, {"c_src/buildlib.sh",
-                   "c_src/system/lib/libdb.a"}}.
-
 {cover_enabled, true}.
 
 {ct_extra_params, "-boot start_sasl -s snmp"}.
-
-{clean_files, ["c_src/system/lib/libdb.a"]}.