diff --git a/node/amino.go b/node/amino.go
deleted file mode 100644
index 1886085895..0000000000
--- a/node/amino.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package node
-
-import (
-	amino "github.com/tendermint/go-amino"
-	tmtypes "github.com/tendermint/tendermint/types"
-)
-
-var cdc = amino.NewCodec()
-
-func init() {
-	tmtypes.RegisterBlockAmino(cdc)
-}
diff --git a/node/util.go b/node/util.go
deleted file mode 100644
index f768afde3b..0000000000
--- a/node/util.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package node
-
-import (
-	"io/ioutil"
-	"os"
-
-	"github.com/tendermint/tendermint/p2p"
-	"github.com/tendermint/tendermint/privval"
-	tmtypes "github.com/tendermint/tendermint/types"
-)
-
-// TMGenesisFromFile returns tendermint genesis doc from file
-func TMGenesisFromFile(path string) (*tmtypes.GenesisDoc, error) {
-	obj := new(tmtypes.GenesisDoc)
-
-	buf, err := ioutil.ReadFile(path)
-	if err != nil {
-		return nil, err
-	}
-
-	if err := cdc.UnmarshalJSON(buf, obj); err != nil {
-		return nil, err
-	}
-
-	return obj, nil
-}
-
-// TMGenesisToJSON converts tendermint genesis doc to json.
-// Returns error in case of failure.
-func TMGenesisToJSON(obj *tmtypes.GenesisDoc) ([]byte, error) {
-	return cdc.MarshalJSON(obj)
-}
-
-// FilePVFromFile reads data from provided filepath and returns filePV.
-// Returns error in case of failure.
-func FilePVFromFile(path string) (*privval.FilePV, error) {
-	buf, err := ioutil.ReadFile(path)
-	if err != nil {
-		return nil, err
-	}
-	return FilePVFromJSON(buf)
-}
-
-// FilePVFromJSON returns FilePV from json. Returns error in case of failure.
-func FilePVFromJSON(buf []byte) (*privval.FilePV, error) {
-	obj := new(privval.FilePV)
-	return obj, cdc.UnmarshalJSON(buf, obj)
-}
-
-// FilePVToJSON converts FilePV to json. Returns error in case of failure.
-func FilePVToJSON(obj *privval.FilePV) ([]byte, error) {
-	return cdc.MarshalJSON(obj)
-}
-
-// FilePVKeyFromJSON returns FilePVKey from json. Returns error in case of failure.
-func FilePVKeyFromJSON(buf []byte) (*privval.FilePVKey, error) {
-	obj := new(privval.FilePVKey)
-	return obj, cdc.UnmarshalJSON(buf, obj)
-}
-
-// FilePVKeyToJSON converts FilePVKey to json. Returns error in case of failure.
-func FilePVKeyToJSON(obj privval.FilePVKey) ([]byte, error) {
-	return cdc.MarshalJSON(obj)
-}
-
-// FilePVStateToJSON converts FilePVState to json
-func FilePVStateToJSON(obj privval.FilePVLastSignState) ([]byte, error) {
-	return cdc.MarshalJSON(obj)
-}
-
-// PVKeyToFile writes PV key to a file with given filemode permissions.
-// Written File is saved into path provided. Returns error in case of failure.
-func PVKeyToFile(path string, perm os.FileMode, obj privval.FilePVKey) error {
-	return writeConfigIfNotExist(path, perm, obj)
-}
-
-// PVStateToFile writes PV state to a file with given filemode permissions.
-// Written File is saved into path provided. Returns error in case of failure.
-func PVStateToFile(path string, perm os.FileMode, obj privval.FilePVLastSignState) error {
-	return writeConfigIfNotExist(path, perm, obj)
-}
-
-// NKeyToJSON converts node key to json. Returns error in case of failure.
-func NKeyToJSON(obj *p2p.NodeKey) ([]byte, error) {
-	return cdc.MarshalJSON(obj)
-}
-
-// NKeyToFile writes node key to a file with given filemode permissions.
-// Written File is saved into path provided. Returns error in case of failure.
-func NKeyToFile(path string, perm os.FileMode, obj *p2p.NodeKey) error {
-	return writeConfigIfNotExist(path, perm, obj)
-}
-
-func writeConfigIfNotExist(path string, perm os.FileMode, obj interface{}) error {
-	data, err := cdc.MarshalJSONIndent(obj, "", "  ")
-	if err != nil {
-		return err
-	}
-	_, err = os.Stat(path)
-	if !os.IsNotExist(err) {
-		return nil
-	}
-	err = ioutil.WriteFile(path, data, perm)
-	if err != nil {
-		return err
-	}
-	return nil
-}
diff --git a/util/hex.go b/util/hex.go
deleted file mode 100644
index 59159bb13f..0000000000
--- a/util/hex.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package util
-
-import "encoding/hex"
-
-// X encodes bytes to string
-func X(val []byte) string {
-	return hex.EncodeToString(val)
-}