1 files changed, 0 insertions, 29 deletions
diff --git a/whisper/sort.go b/whisper/sort.go
deleted file mode 100644
index 313ba5ac0..000000000
--- a/whisper/sort.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package whisper
-
-import (
-	"sort"
-
-	"github.com/ethereum/go-ethereum/common"
-)
-
-type sortedKeys struct {
-	k []int32
-}
-
-func (self *sortedKeys) Len() int           { return len(self.k) }
-func (self *sortedKeys) Less(i, j int) bool { return self.k[i] < self.k[j] }
-func (self *sortedKeys) Swap(i, j int)      { self.k[i], self.k[j] = self.k[j], self.k[i] }
-
-func sortKeys(m map[int32]common.Hash) []int32 {
-	sorted := new(sortedKeys)
-	sorted.k = make([]int32, len(m))
-	i := 0
-	for key, _ := range m {
-		sorted.k[i] = key
-		i++
-	}
-
-	sort.Sort(sorted)
-
-	return sorted.k
-}