diff --git a/.travis.yml b/.travis.yml
index 54242e9..8712ba3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: go
 sudo: required
 
 go:
-  - 1.8
   - 1.9
 
 env:
diff --git a/database/mysql/mysql.go b/database/mysql/mysql.go
index 6c538e3..a816d2a 100644
--- a/database/mysql/mysql.go
+++ b/database/mysql/mysql.go
@@ -1,3 +1,5 @@
+// +build go1.9
+
 package mysql
 
 import (