diff --git a/sqlmock_before_go18.go b/sqlmock_before_go18.go
index 4b01545..1a5b63a 100644
--- a/sqlmock_before_go18.go
+++ b/sqlmock_before_go18.go
@@ -4,7 +4,9 @@ package sqlmock
 
 import (
 	"database/sql/driver"
+	"fmt"
 	"log"
+	"time"
 )
 
 type namedValue struct {