1 files changed, 6 insertions, 20 deletions
diff --git a/rwcancel/rwcancel_unix.go b/rwcancel/rwcancel.go
index 739a8c3..aac743a 100644
--- a/rwcancel/rwcancel_unix.go
+++ b/rwcancel/rwcancel.go
@@ -12,26 +12,6 @@ import (
 	"syscall"
 )
 
-type RWCancel struct {
-	fd            int
-	closingReader *os.File
-	closingWriter *os.File
-}
-
-type fdSet struct {
-	fdset unix.FdSet
-}
-
-func (fdset *fdSet) set(i int) {
-	bits := 32 << (^uint(0) >> 63)
-	fdset.fdset.Bits[i/bits] |= 1 << uint(i%bits)
-}
-
-func (fdset *fdSet) check(i int) bool {
-	bits := 32 << (^uint(0) >> 63)
-	return (fdset.fdset.Bits[i/bits] & (1 << uint(i%bits))) != 0
-}
-
 func max(a, b int) int {
 	if a > b {
 		return a
@@ -39,6 +19,12 @@ func max(a, b int) int {
 	return b
 }
 
+type RWCancel struct {
+	fd            int
+	closingReader *os.File
+	closingWriter *os.File
+}
+
 func NewRWCancel(fd int) (*RWCancel, error) {
 	err := unix.SetNonblock(fd, true)
 	if err != nil {