diff --git a/clientv3/integration/client_test.go b/clientv3/integration/client_test.go
index 010629372..3198066a0 100644
--- a/clientv3/integration/client_test.go
+++ b/clientv3/integration/client_test.go
@@ -16,14 +16,12 @@ package integration
 
 import (
 	"bytes"
-	"reflect"
 	"testing"
 
 	"github.com/coreos/etcd/clientv3"
 	"github.com/coreos/etcd/integration"
 	"github.com/coreos/etcd/lease"
 	"github.com/coreos/etcd/pkg/testutil"
-	"github.com/coreos/etcd/storage/storagepb"
 )
 
 func TestKVPut(t *testing.T) {
@@ -63,112 +61,3 @@ func TestKVPut(t *testing.T) {
 		}
 	}
 }
-
-func TestKVRange(t *testing.T) {
-	defer testutil.AfterTest(t)
-
-	clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
-	defer clus.Terminate(t)
-
-	kv := clientv3.NewKV(clus.RandClient())
-
-	keySet := []string{"a", "b", "c", "c", "c", "foo", "foo/abc", "fop"}
-	for i, key := range keySet {
-		if _, err := kv.Put(key, "", lease.NoLease); err != nil {
-			t.Fatalf("#%d: couldn't put %q (%v)", i, key, err)
-		}
-	}
-	resp, err := kv.Get(keySet[0], 0)
-	if err != nil {
-		t.Fatalf("couldn't get key (%v)", err)
-	}
-	wheader := resp.Header
-
-	tests := []struct {
-		begin, end string
-		rev        int64
-		sortOption *clientv3.SortOption
-
-		wantSet []*storagepb.KeyValue
-	}{
-		// range first two
-		{
-			"a", "c",
-			0,
-			nil,
-
-			[]*storagepb.KeyValue{
-				{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
-				{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
-			},
-		},
-		// range all with rev
-		{
-			"a", "x",
-			2,
-			nil,
-
-			[]*storagepb.KeyValue{
-				{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
-			},
-		},
-		// range all with SortByKey, SortAscend
-		{
-			"a", "x",
-			0,
-			&clientv3.SortOption{Target: clientv3.SortByKey, Order: clientv3.SortAscend},
-
-			[]*storagepb.KeyValue{
-				{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
-				{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
-				{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
-				{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
-				{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
-				{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
-			},
-		},
-		// range all with SortByCreatedRev, SortDescend
-		{
-			"a", "x",
-			0,
-			&clientv3.SortOption{Target: clientv3.SortByCreatedRev, Order: clientv3.SortDescend},
-
-			[]*storagepb.KeyValue{
-				{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
-				{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
-				{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
-				{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
-				{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
-				{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
-			},
-		},
-		// range all with SortByModifiedRev, SortDescend
-		{
-			"a", "x",
-			0,
-			&clientv3.SortOption{Target: clientv3.SortByModifiedRev, Order: clientv3.SortDescend},
-
-			[]*storagepb.KeyValue{
-				{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
-				{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
-				{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
-				{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
-				{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
-				{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
-			},
-		},
-	}
-
-	for i, tt := range tests {
-		resp, err := kv.Range(tt.begin, tt.end, 0, tt.rev, tt.sortOption)
-		if err != nil {
-			t.Fatalf("#%d: couldn't range (%v)", i, err)
-		}
-		if !reflect.DeepEqual(wheader, resp.Header) {
-			t.Fatalf("#%d: wheader expected %+v, got %+v", i, wheader, resp.Header)
-		}
-		if !reflect.DeepEqual(tt.wantSet, resp.Kvs) {
-			t.Fatalf("#%d: resp.Kvs expected %+v, got %+v", i, tt.wantSet, resp.Kvs)
-		}
-	}
-}
diff --git a/etcdserver/v3demo_server.go b/etcdserver/v3demo_server.go
index df5b34292..0d54812d3 100644
--- a/etcdserver/v3demo_server.go
+++ b/etcdserver/v3demo_server.go
@@ -285,6 +285,7 @@ func applyRange(txnID int64, kv dstorage.KV, r *pb.RangeRequest) (*pb.RangeRespo
 
 	var (
 		kvs []storagepb.KeyValue
+		rev int64
 		err error
 	)
 
@@ -299,12 +300,12 @@ func applyRange(txnID int64, kv dstorage.KV, r *pb.RangeRequest) (*pb.RangeRespo
 	}
 
 	if txnID != noTxn {
-		kvs, _, err = kv.TxnRange(txnID, r.Key, r.RangeEnd, limit, r.Revision)
+		kvs, rev, err = kv.TxnRange(txnID, r.Key, r.RangeEnd, limit, r.Revision)
 		if err != nil {
 			return nil, err
 		}
 	} else {
-		kvs, _, err = kv.Range(r.Key, r.RangeEnd, limit, r.Revision)
+		kvs, rev, err = kv.Range(r.Key, r.RangeEnd, limit, r.Revision)
 		if err != nil {
 			return nil, err
 		}
@@ -337,7 +338,7 @@ func applyRange(txnID int64, kv dstorage.KV, r *pb.RangeRequest) (*pb.RangeRespo
 		resp.More = true
 	}
 
-	resp.Header.Revision = kv.Rev()
+	resp.Header.Revision = rev
 	for i := range kvs {
 		resp.Kvs = append(resp.Kvs, &kvs[i])
 	}