1 files changed, 0 insertions, 55 deletions
diff --git a/whisper/whisperv5/topic.go b/whisper/whisperv5/topic.go
deleted file mode 100644
index c4eda1db4..000000000
--- a/whisper/whisperv5/topic.go
+++ /dev/null
@@ -1,55 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// Contains the Whisper protocol Topic element.
-
-package whisperv5
-
-import (
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-)
-
-// TopicType represents a cryptographically secure, probabilistic partial
-// classifications of a message, determined as the first (left) 4 bytes of the
-// SHA3 hash of some arbitrary data given by the original author of the message.
-type TopicType [TopicLength]byte
-
-func BytesToTopic(b []byte) (t TopicType) {
-	sz := TopicLength
-	if x := len(b); x < TopicLength {
-		sz = x
-	}
-	for i := 0; i < sz; i++ {
-		t[i] = b[i]
-	}
-	return t
-}
-
-// String converts a topic byte array to a string representation.
-func (t *TopicType) String() string {
-	return common.ToHex(t[:])
-}
-
-// MarshalText returns the hex representation of t.
-func (t TopicType) MarshalText() ([]byte, error) {
-	return hexutil.Bytes(t[:]).MarshalText()
-}
-
-// UnmarshalText parses a hex representation to a topic.
-func (t *TopicType) UnmarshalText(input []byte) error {
-	return hexutil.UnmarshalFixedText("Topic", input, t[:])
-}