diff --git a/blkiodev/blkiodev.go b/blkiodev/blkiodev.go
deleted file mode 100644
index e9a3649..0000000
--- a/blkiodev/blkiodev.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package blkiodev
-
-import (
-	"fmt"
-)
-
-// WeightDevice is a structure that hold device:weight pair
-type WeightDevice struct {
-	Path   string
-	Weight uint16
-}
-
-func (w *WeightDevice) String() string {
-	return fmt.Sprintf("%s:%d", w.Path, w.Weight)
-}
-
-// ThrottleDevice is a structure that hold device:rate_per_second pair
-type ThrottleDevice struct {
-	Path string
-	Rate uint64
-}
-
-func (t *ThrottleDevice) String() string {
-	return fmt.Sprintf("%s:%d", t.Path, t.Rate)
-}