diff --git a/x/fswap/module.go b/x/fswap/module.go
index 4992b043fe..0e60e1d03d 100644
--- a/x/fswap/module.go
+++ b/x/fswap/module.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 
-	"github.com/gorilla/mux"
 	"github.com/grpc-ecosystem/grpc-gateway/runtime"
 	"github.com/spf13/cobra"
 	abci "github.com/tendermint/tendermint/abci/types"
@@ -69,10 +68,6 @@ func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncod
 	return genState.Validate()
 }
 
-// RegisterRESTRoutes registers the capability module's REST service handlers.
-func (AppModuleBasic) RegisterRESTRoutes(clientCtx client.Context, rtr *mux.Router) {
-}
-
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the module.
 func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
 	// this line is used by starport scaffolding # 2
diff --git a/x/fswap/types/params.go b/x/fswap/types/params.go
index f3d55e7f9e..f4b9ae24dc 100644
--- a/x/fswap/types/params.go
+++ b/x/fswap/types/params.go
@@ -2,17 +2,8 @@ package types
 
 import (
 	"gopkg.in/yaml.v2"
-
-	paramtypes "github.com/Finschia/finschia-sdk/x/params/types"
 )
 
-var _ paramtypes.ParamSet = (*Params)(nil)
-
-// ParamKeyTable the param key table for launch module
-func ParamKeyTable() paramtypes.KeyTable {
-	return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
-}
-
 // NewParams creates a new Params instance
 func NewParams() Params {
 	return Params{}
@@ -23,11 +14,6 @@ func DefaultParams() Params {
 	return NewParams()
 }
 
-// ParamSetPairs get the params.ParamSet
-func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
-	return paramtypes.ParamSetPairs{}
-}
-
 // Validate validates the set of params
 func (p Params) Validate() error {
 	return nil