diff --git a/helpers/module.go b/helpers/module.go
index ccc779c83..fd11c7598 100644
--- a/helpers/module.go
+++ b/helpers/module.go
@@ -4,14 +4,11 @@
 package helpers
 
 import (
-	"encoding/json"
 	"github.com/cosmos/cosmos-sdk/client"
-	sdkTypes "github.com/cosmos/cosmos-sdk/types"
-	"github.com/gorilla/mux"
-
 	storeTypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdkModuleTypes "github.com/cosmos/cosmos-sdk/types/module"
 	paramsTypes "github.com/cosmos/cosmos-sdk/x/params/types"
+	"github.com/gorilla/mux"
 )
 
 type Module interface {
@@ -29,8 +26,6 @@ type Module interface {
 
 	GetAuxiliary(string) Auxiliary
 
-	DecodeModuleTransactionRequest(string, json.RawMessage) (sdkTypes.Msg, error)
-
 	Initialize(*storeTypes.KVStoreKey, paramsTypes.Subspace, ...interface{}) Module
 
 	GetTransactions() Transactions