diff --git a/server/auth/store.go b/server/auth/store.go
index 965c3e86d..19dd7e738 100644
--- a/server/auth/store.go
+++ b/server/auth/store.go
@@ -29,7 +29,6 @@ import (
 	"go.etcd.io/etcd/api/v3/authpb"
 	pb "go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
-	"go.etcd.io/etcd/server/v3/etcdserver/cindex"
 	"go.etcd.io/etcd/server/v3/mvcc/backend"
 
 	"go.uber.org/zap"
@@ -215,7 +214,6 @@ type authStore struct {
 
 	tokenProvider TokenProvider
 	bcryptCost    int // the algorithm cost / strength for hashing auth passwords
-	ci            cindex.ConsistentIndexer
 }
 
 func (as *authStore) AuthEnable() error {
@@ -266,7 +264,6 @@ func (as *authStore) AuthDisable() {
 	tx.Lock()
 	tx.UnsafePut(authBucketName, enableFlagKey, authDisabled)
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 	tx.Unlock()
 	b.ForceCommit()
 
@@ -424,7 +421,6 @@ func (as *authStore) UserAdd(r *pb.AuthUserAddRequest) (*pb.AuthUserAddResponse,
 	putUser(as.lg, tx, newUser)
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info("added a user", zap.String("user-name", r.Name))
 	return &pb.AuthUserAddResponse{}, nil
@@ -448,7 +444,6 @@ func (as *authStore) UserDelete(r *pb.AuthUserDeleteRequest) (*pb.AuthUserDelete
 	delUser(tx, r.Name)
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.invalidateCachedPerm(r.Name)
 	as.tokenProvider.invalidateUser(r.Name)
@@ -491,7 +486,6 @@ func (as *authStore) UserChangePassword(r *pb.AuthUserChangePasswordRequest) (*p
 	putUser(as.lg, tx, updatedUser)
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.invalidateCachedPerm(r.Name)
 	as.tokenProvider.invalidateUser(r.Name)
@@ -540,7 +534,6 @@ func (as *authStore) UserGrantRole(r *pb.AuthUserGrantRoleRequest) (*pb.AuthUser
 	as.invalidateCachedPerm(r.User)
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info(
 		"granted a role to a user",
@@ -619,7 +612,6 @@ func (as *authStore) UserRevokeRole(r *pb.AuthUserRevokeRoleRequest) (*pb.AuthUs
 	as.invalidateCachedPerm(r.Name)
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info(
 		"revoked a role from a user",
@@ -690,7 +682,6 @@ func (as *authStore) RoleRevokePermission(r *pb.AuthRoleRevokePermissionRequest)
 	as.clearCachedPerm()
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info(
 		"revoked a permission on range",
@@ -742,7 +733,6 @@ func (as *authStore) RoleDelete(r *pb.AuthRoleDeleteRequest) (*pb.AuthRoleDelete
 	}
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info("deleted a role", zap.String("role-name", r.Role))
 	return &pb.AuthRoleDeleteResponse{}, nil
@@ -769,7 +759,6 @@ func (as *authStore) RoleAdd(r *pb.AuthRoleAddRequest) (*pb.AuthRoleAddResponse,
 	putRole(as.lg, tx, newRole)
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info("created a role", zap.String("role-name", r.Name))
 	return &pb.AuthRoleAddResponse{}, nil
@@ -829,7 +818,6 @@ func (as *authStore) RoleGrantPermission(r *pb.AuthRoleGrantPermissionRequest) (
 	as.clearCachedPerm()
 
 	as.commitRevision(tx)
-	as.saveConsistentIndex(tx)
 
 	as.lg.Info(
 		"granted/updated a permission to a user",
@@ -1021,7 +1009,7 @@ func (as *authStore) IsAuthEnabled() bool {
 }
 
 // NewAuthStore creates a new AuthStore.
-func NewAuthStore(lg *zap.Logger, be backend.Backend, ci cindex.ConsistentIndexer, tp TokenProvider, bcryptCost int) *authStore {
+func NewAuthStore(lg *zap.Logger, be backend.Backend, tp TokenProvider, bcryptCost int) *authStore {
 	if lg == nil {
 		lg = zap.NewNop()
 	}
@@ -1056,7 +1044,6 @@ func NewAuthStore(lg *zap.Logger, be backend.Backend, ci cindex.ConsistentIndexe
 		revision:       getRevision(tx),
 		lg:             lg,
 		be:             be,
-		ci:             ci,
 		enabled:        enabled,
 		rangePermCache: make(map[string]*unifiedRangePermissions),
 		tokenProvider:  tp,
@@ -1317,14 +1304,6 @@ func (as *authStore) BcryptCost() int {
 	return as.bcryptCost
 }
 
-func (as *authStore) saveConsistentIndex(tx backend.BatchTx) {
-	if as.ci != nil {
-		as.ci.UnsafeSave(tx)
-	} else {
-		as.lg.Error("failed to save consistentIndex,consistentIndexer is nil")
-	}
-}
-
 func (as *authStore) setupMetricsReporter() {
 	reportCurrentAuthRevMu.Lock()
 	reportCurrentAuthRev = func() float64 {
diff --git a/server/auth/store_test.go b/server/auth/store_test.go
index 53ed3469f..c530ffe88 100644
--- a/server/auth/store_test.go
+++ b/server/auth/store_test.go
@@ -52,7 +52,7 @@ func TestNewAuthStoreRevision(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	as := NewAuthStore(zap.NewExample(), b, nil, tp, bcrypt.MinCost)
+	as := NewAuthStore(zap.NewExample(), b, tp, bcrypt.MinCost)
 	err = enableAuthAndCreateRoot(as)
 	if err != nil {
 		t.Fatal(err)
@@ -64,7 +64,7 @@ func TestNewAuthStoreRevision(t *testing.T) {
 	// no changes to commit
 	b2 := backend.NewDefaultBackend(tPath)
 	defer b2.Close()
-	as = NewAuthStore(zap.NewExample(), b2, nil, tp, bcrypt.MinCost)
+	as = NewAuthStore(zap.NewExample(), b2, tp, bcrypt.MinCost)
 	defer as.Close()
 	new := as.Revision()
 
@@ -85,7 +85,7 @@ func TestNewAuthStoreBcryptCost(t *testing.T) {
 
 	invalidCosts := [2]int{bcrypt.MinCost - 1, bcrypt.MaxCost + 1}
 	for _, invalidCost := range invalidCosts {
-		as := NewAuthStore(zap.NewExample(), b, nil, tp, invalidCost)
+		as := NewAuthStore(zap.NewExample(), b, tp, invalidCost)
 		defer as.Close()
 		if as.BcryptCost() != bcrypt.DefaultCost {
 			t.Fatalf("expected DefaultCost when bcryptcost is invalid")
@@ -105,7 +105,7 @@ func setupAuthStore(t *testing.T) (store *authStore, teardownfunc func(t *testin
 	if err != nil {
 		t.Fatal(err)
 	}
-	as := NewAuthStore(zap.NewExample(), b, nil, tp, bcrypt.MinCost)
+	as := NewAuthStore(zap.NewExample(), b, tp, bcrypt.MinCost)
 	err = enableAuthAndCreateRoot(as)
 	if err != nil {
 		t.Fatal(err)
@@ -657,7 +657,7 @@ func TestAuthInfoFromCtxRace(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	as := NewAuthStore(zap.NewExample(), b, nil, tp, bcrypt.MinCost)
+	as := NewAuthStore(zap.NewExample(), b, tp, bcrypt.MinCost)
 	defer as.Close()
 
 	donec := make(chan struct{})
@@ -730,7 +730,7 @@ func TestRecoverFromSnapshot(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	as2 := NewAuthStore(zap.NewExample(), as.be, nil, tp, bcrypt.MinCost)
+	as2 := NewAuthStore(zap.NewExample(), as.be, tp, bcrypt.MinCost)
 	defer as2.Close()
 
 	if !as2.IsAuthEnabled() {
@@ -811,7 +811,7 @@ func TestRolesOrder(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	as := NewAuthStore(zap.NewExample(), b, nil, tp, bcrypt.MinCost)
+	as := NewAuthStore(zap.NewExample(), b, tp, bcrypt.MinCost)
 	defer as.Close()
 	err = enableAuthAndCreateRoot(as)
 	if err != nil {
@@ -867,7 +867,7 @@ func testAuthInfoFromCtxWithRoot(t *testing.T, opts string) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	as := NewAuthStore(zap.NewExample(), b, nil, tp, bcrypt.MinCost)
+	as := NewAuthStore(zap.NewExample(), b, tp, bcrypt.MinCost)
 	defer as.Close()
 
 	if err = enableAuthAndCreateRoot(as); err != nil {
diff --git a/server/etcdserver/server.go b/server/etcdserver/server.go
index f7da9b4f1..9ea22aa35 100644
--- a/server/etcdserver/server.go
+++ b/server/etcdserver/server.go
@@ -598,7 +598,7 @@ func NewServer(cfg config.ServerConfig) (srv *EtcdServer, err error) {
 		}
 	}
 
-	srv.authStore = auth.NewAuthStore(srv.Logger(), srv.be, srv.consistIndex, tp, int(cfg.BcryptCost))
+	srv.authStore = auth.NewAuthStore(srv.Logger(), srv.be, tp, int(cfg.BcryptCost))
 
 	newSrv := srv // since srv == nil in defer if srv is returned as nil
 	defer func() {
diff --git a/server/etcdserver/server_test.go b/server/etcdserver/server_test.go
index 50e8533a9..d8df5dfaa 100644
--- a/server/etcdserver/server_test.go
+++ b/server/etcdserver/server_test.go
@@ -989,9 +989,9 @@ func TestSnapshot(t *testing.T) {
 		lg:           zap.NewExample(),
 		r:            *r,
 		v2store:      st,
-		consistIndex: cindex.NewConsistentIndex(be.BatchTx()),
+		consistIndex: cindex.NewConsistentIndex(be),
 	}
-	srv.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, srv.consistIndex, mvcc.StoreConfig{})
+	srv.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, mvcc.StoreConfig{})
 	srv.be = be
 
 	ch := make(chan struct{}, 2)
@@ -1074,11 +1074,11 @@ func TestSnapshotOrdering(t *testing.T) {
 		snapshotter:  snap.New(zap.NewExample(), snapdir),
 		cluster:      cl,
 		SyncTicker:   &time.Ticker{},
-		consistIndex: cindex.NewConsistentIndex(be.BatchTx()),
+		consistIndex: cindex.NewConsistentIndex(be),
 	}
 	s.applyV2 = &applierV2store{store: s.v2store, cluster: s.cluster}
 
-	s.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, s.consistIndex, mvcc.StoreConfig{})
+	s.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, mvcc.StoreConfig{})
 	s.be = be
 
 	s.start()
@@ -1148,11 +1148,11 @@ func TestTriggerSnap(t *testing.T) {
 		v2store:      st,
 		reqIDGen:     idutil.NewGenerator(0, time.Time{}),
 		SyncTicker:   &time.Ticker{},
-		consistIndex: cindex.NewConsistentIndex(be.BatchTx()),
+		consistIndex: cindex.NewConsistentIndex(be),
 	}
 	srv.applyV2 = &applierV2store{store: srv.v2store, cluster: srv.cluster}
 
-	srv.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, srv.consistIndex, mvcc.StoreConfig{})
+	srv.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, mvcc.StoreConfig{})
 	srv.be = be
 
 	srv.start()
@@ -1227,11 +1227,11 @@ func TestConcurrentApplyAndSnapshotV3(t *testing.T) {
 		snapshotter:  snap.New(zap.NewExample(), testdir),
 		cluster:      cl,
 		SyncTicker:   &time.Ticker{},
-		consistIndex: cindex.NewConsistentIndex(be.BatchTx()),
+		consistIndex: cindex.NewConsistentIndex(be),
 	}
 	s.applyV2 = &applierV2store{store: s.v2store, cluster: s.cluster}
 
-	s.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, s.consistIndex, mvcc.StoreConfig{})
+	s.kv = mvcc.New(zap.NewExample(), be, &lease.FakeLessor{}, mvcc.StoreConfig{})
 	s.be = be
 
 	s.start()
@@ -1562,7 +1562,7 @@ func TestPublishV3(t *testing.T) {
 		w:          w,
 		reqIDGen:   idutil.NewGenerator(0, time.Time{}),
 		SyncTicker: &time.Ticker{},
-		authStore:  auth.NewAuthStore(lg, be, nil, nil, 0),
+		authStore:  auth.NewAuthStore(lg, be, nil, 0),
 		be:         be,
 		ctx:        ctx,
 		cancel:     cancel,
@@ -1633,7 +1633,7 @@ func TestPublishV3Retry(t *testing.T) {
 		cluster:    &membership.RaftCluster{},
 		reqIDGen:   idutil.NewGenerator(0, time.Time{}),
 		SyncTicker: &time.Ticker{},
-		authStore:  auth.NewAuthStore(lg, be, nil, nil, 0),
+		authStore:  auth.NewAuthStore(lg, be, nil, 0),
 		be:         be,
 		ctx:        ctx,
 		cancel:     cancel,