diff --git a/x/masterchef/keeper/user_reward_info.go b/x/masterchef/keeper/user_reward_info.go
index 97f25d91c..8ec1b4a71 100644
--- a/x/masterchef/keeper/user_reward_info.go
+++ b/x/masterchef/keeper/user_reward_info.go
@@ -7,15 +7,19 @@ import (
 )
 
 func (k Keeper) SetUserRewardInfo(ctx sdk.Context, userReward types.UserRewardInfo) {
-	store := ctx.KVStore(k.storeKey)
+	//store := ctx.KVStore(k.storeKey)
 	b := k.cdc.MustMarshal(&userReward)
-	key := types.GetUserRewardInfoKey(userReward.GetUserAccount(), userReward.GetPoolId(), userReward.GetRewardDenom())
+	//key := types.GetUserRewardInfoKey(userReward.GetUserAccount(), userReward.GetPoolId(), userReward.GetRewardDenom())
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.LegacyUserRewardInfoKeyPrefix))
+	key := types.LegacyUserRewardInfoKey(userReward.User, userReward.PoolId, userReward.RewardDenom)
 	store.Set(key, b)
 }
 
 func (k Keeper) GetUserRewardInfo(ctx sdk.Context, user sdk.AccAddress, poolId uint64, rewardDenom string) (val types.UserRewardInfo, found bool) {
-	store := ctx.KVStore(k.storeKey)
-	key := types.GetUserRewardInfoKey(user, poolId, rewardDenom)
+	//store := ctx.KVStore(k.storeKey)
+	//key := types.GetUserRewardInfoKey(user, poolId, rewardDenom)
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.LegacyUserRewardInfoKeyPrefix))
+	key := types.LegacyUserRewardInfoKey(user.String(), poolId, rewardDenom)
 	b := store.Get(key)
 	if b == nil {
 		return val, false
@@ -25,15 +29,17 @@ func (k Keeper) GetUserRewardInfo(ctx sdk.Context, user sdk.AccAddress, poolId u
 	return val, true
 }
 
-func (k Keeper) RemoveUserRewardInfo(ctx sdk.Context, user sdk.AccAddress, poolId uint64, rewardDenom string) {
-	store := ctx.KVStore(k.storeKey)
-	key := types.GetUserRewardInfoKey(user, poolId, rewardDenom)
-	store.Delete(key)
-}
+//func (k Keeper) RemoveUserRewardInfo(ctx sdk.Context, user sdk.AccAddress, poolId uint64, rewardDenom string) {
+//	store := ctx.KVStore(k.storeKey)
+//	key := types.GetUserRewardInfoKey(user, poolId, rewardDenom)
+//	store.Delete(key)
+//}
 
 func (k Keeper) GetAllUserRewardInfos(ctx sdk.Context) (list []types.UserRewardInfo) {
-	store := ctx.KVStore(k.storeKey)
-	iterator := sdk.KVStorePrefixIterator(store, types.UserRewardInfoKeyPrefix)
+	//store := ctx.KVStore(k.storeKey)
+	//iterator := sdk.KVStorePrefixIterator(store, types.UserRewardInfoKeyPrefix)
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.LegacyUserRewardInfoKeyPrefix))
+	iterator := sdk.KVStorePrefixIterator(store, []byte{})
 
 	defer iterator.Close()
 
@@ -47,23 +53,26 @@ func (k Keeper) GetAllUserRewardInfos(ctx sdk.Context) (list []types.UserRewardI
 }
 
 // remove after migration
-func (k Keeper) DeleteLegacyUserRewardInfo(ctx sdk.Context, user string, poolId uint64, rewardDenom string) {
+func (k Keeper) RemoveUserRewardInfo(ctx sdk.Context, user string, poolId uint64, rewardDenom string) {
 	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.LegacyUserRewardInfoKeyPrefix))
 	store.Delete(types.LegacyUserRewardInfoKey(user, poolId, rewardDenom))
 }
 
 // remove after migration
-func (k Keeper) GetAllLegacyUserRewardInfos(ctx sdk.Context) (list []types.UserRewardInfo) {
-	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.LegacyUserRewardInfoKeyPrefix))
-	iterator := sdk.KVStorePrefixIterator(store, []byte{})
-
-	defer iterator.Close()
-
-	for ; iterator.Valid(); iterator.Next() {
-		var val types.UserRewardInfo
-		k.cdc.MustUnmarshal(iterator.Value(), &val)
-		list = append(list, val)
-	}
-
-	return
-}
+// TODO: Optimise user reward info KV
+//func (k Keeper) MigrateFromV2UserRewardInfos(ctx sdk.Context) {
+//	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.LegacyUserRewardInfoKeyPrefix))
+//	iterator := sdk.KVStorePrefixIterator(store, []byte{})
+//
+//	defer iterator.Close()
+//
+//	for ; iterator.Valid(); iterator.Next() {
+//		var legacyUserRewardInfo types.UserRewardInfo
+//		k.cdc.MustUnmarshal(iterator.Value(), &legacyUserRewardInfo)
+//
+//		k.SetUserRewardInfo(ctx, legacyUserRewardInfo)
+//		k.DeleteLegacyUserRewardInfo(ctx, legacyUserRewardInfo.User, legacyUserRewardInfo.PoolId, legacyUserRewardInfo.RewardDenom)
+//	}
+//
+//	return
+//}
diff --git a/x/masterchef/keeper/user_reward_info_test.go b/x/masterchef/keeper/user_reward_info_test.go
index 79c50fc3d..7c897c550 100644
--- a/x/masterchef/keeper/user_reward_info_test.go
+++ b/x/masterchef/keeper/user_reward_info_test.go
@@ -52,7 +52,7 @@ func TestUserRewardInfo(t *testing.T) {
 	rewardInfosStored := app.MasterchefKeeper.GetAllUserRewardInfos(ctx)
 	require.Len(t, rewardInfosStored, 3)
 
-	app.MasterchefKeeper.RemoveUserRewardInfo(ctx, userRewardInfos[0].GetUserAccount(), userRewardInfos[0].PoolId, userRewardInfos[0].RewardDenom)
+	app.MasterchefKeeper.RemoveUserRewardInfo(ctx, userRewardInfos[0].User, userRewardInfos[0].PoolId, userRewardInfos[0].RewardDenom)
 	rewardInfosStored = app.MasterchefKeeper.GetAllUserRewardInfos(ctx)
 	require.Len(t, rewardInfosStored, 2)
 }
diff --git a/x/masterchef/migrations/v3_migration.go b/x/masterchef/migrations/v3_migration.go
index 0a2caa40b..635eeabd2 100644
--- a/x/masterchef/migrations/v3_migration.go
+++ b/x/masterchef/migrations/v3_migration.go
@@ -9,11 +9,7 @@ func (m Migrator) V3Migration(ctx sdk.Context) error {
 	m.keeper.SetParams(ctx, params)
 	m.keeper.DeleteLegacyParams(ctx)
 
-	legacyUserRewardInfos := m.keeper.GetAllLegacyUserRewardInfos(ctx)
-	for _, legacyUserRewardInfo := range legacyUserRewardInfos {
-		m.keeper.SetUserRewardInfo(ctx, legacyUserRewardInfo)
-		m.keeper.DeleteLegacyUserRewardInfo(ctx, legacyUserRewardInfo.User, legacyUserRewardInfo.PoolId, legacyUserRewardInfo.RewardDenom)
-	}
+	//m.keeper.MigrateFromV2UserRewardInfos(ctx)
 
 	legacyPoolInfos := m.keeper.GetAllLegacyPoolInfos(ctx)
 	for _, legacyPoolInfo := range legacyPoolInfos {
diff --git a/x/masterchef/module.go b/x/masterchef/module.go
index e22bcf4f2..d78a1077e 100644
--- a/x/masterchef/module.go
+++ b/x/masterchef/module.go
@@ -120,7 +120,7 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 	types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
 	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
 	m := migrations.NewMigrator(am.keeper)
-	err := cfg.RegisterMigration(types.ModuleName, 1, m.V2Migration)
+	err := cfg.RegisterMigration(types.ModuleName, 2, m.V3Migration)
 	if err != nil {
 		panic(err)
 	}
@@ -147,7 +147,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 }
 
 // ConsensusVersion is a sequence number for state-breaking change of the module. It should be incremented on each consensus-breaking change introduced by the module. To avoid wrong/empty versions, the initial version should be set to 1
-func (AppModule) ConsensusVersion() uint64 { return 2 }
+func (AppModule) ConsensusVersion() uint64 { return 3 }
 
 // BeginBlock contains the logic that is automatically triggered at the beginning of each block
 func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}