diff --git a/test/dns_test.go b/test/dns_test.go
index 2caabe4..d875f3f 100644
--- a/test/dns_test.go
+++ b/test/dns_test.go
@@ -15,11 +15,6 @@ import (
 	"github.com/miekg/dns"
 )
 
-func destroy(conn *sql.DB, path string) {
-	conn.Close()
-	os.Remove(path)
-}
-
 func randomPort() int {
 	return rand.Intn(3000) + 1024
 }