diff --git a/consensus/replay_file.go b/consensus/replay_file.go
index 26b8baebf..979425f87 100644
--- a/consensus/replay_file.go
+++ b/consensus/replay_file.go
@@ -280,12 +280,13 @@ func (pb *playback) replayConsoleLoop() int {
 
 // convenience for replay mode
 func newConsensusStateForReplay(config cfg.BaseConfig, csConfig *cfg.ConsensusConfig) *ConsensusState {
+	dbType := dbm.DBBackendType(config.DBBackend)
 	// Get BlockStore
-	blockStoreDB := dbm.NewDB("blockstore", config.DBBackend, config.DBDir())
+	blockStoreDB := dbm.NewDB("blockstore", dbType, config.DBDir())
 	blockStore := bc.NewBlockStore(blockStoreDB)
 
 	// Get State
-	stateDB := dbm.NewDB("state", config.DBBackend, config.DBDir())
+	stateDB := dbm.NewDB("state", dbType, config.DBDir())
 	state, err := sm.MakeGenesisStateFromFile(config.GenesisFile())
 	if err != nil {
 		cmn.Exit(err.Error())
diff --git a/lite/proxy/query.go b/lite/proxy/query.go
index 1da2a0cce..9c9557f8f 100644
--- a/lite/proxy/query.go
+++ b/lite/proxy/query.go
@@ -3,6 +3,8 @@ package proxy
 import (
 	"github.com/pkg/errors"
 
+	cmn "github.com/tendermint/tmlibs/common"
+
 	"github.com/tendermint/tendermint/lite"
 	"github.com/tendermint/tendermint/lite/client"
 	certerr "github.com/tendermint/tendermint/lite/errors"
@@ -78,6 +80,7 @@ func GetWithProofOptions(path string, key []byte, opts rpcclient.ABCIQueryOption
 		return nil, nil, err
 	}
 
+	_ = commit
 	return &ctypes.ResultABCIQuery{Response: resp}, nil, nil
 
 	/* // TODO refactor so iavl stuff is not in tendermint core
diff --git a/lite/proxy/wrapper.go b/lite/proxy/wrapper.go
index 02f2f318b..e8aa011e1 100644
--- a/lite/proxy/wrapper.go
+++ b/lite/proxy/wrapper.go
@@ -1,6 +1,8 @@
 package proxy
 
 import (
+	cmn "github.com/tendermint/tmlibs/common"
+
 	"github.com/tendermint/tendermint/lite"
 	certclient "github.com/tendermint/tendermint/lite/client"
 	rpcclient "github.com/tendermint/tendermint/rpc/client"
diff --git a/node/node.go b/node/node.go
index cd1248f49..acf51a908 100644
--- a/node/node.go
+++ b/node/node.go
@@ -53,7 +53,8 @@ type DBProvider func(*DBContext) (dbm.DB, error)
 // DefaultDBProvider returns a database using the DBBackend and DBDir
 // specified in the ctx.Config.
 func DefaultDBProvider(ctx *DBContext) (dbm.DB, error) {
-	return dbm.NewDB(ctx.ID, ctx.Config.DBBackend, ctx.Config.DBDir()), nil
+	dbType := dbm.DBBackendType(ctx.Config.DBBackend)
+	return dbm.NewDB(ctx.ID, dbType, ctx.Config.DBDir()), nil
 }
 
 // GenesisDocProvider returns a GenesisDoc.
diff --git a/rpc/core/types/responses.go b/rpc/core/types/responses.go
index 79904efa7..e13edc843 100644
--- a/rpc/core/types/responses.go
+++ b/rpc/core/types/responses.go
@@ -6,6 +6,8 @@ import (
 
 	abci "github.com/tendermint/abci/types"
 	crypto "github.com/tendermint/go-crypto"
+	cmn "github.com/tendermint/tmlibs/common"
+
 	cstypes "github.com/tendermint/tendermint/consensus/types"
 	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/state"