diff --git a/timespans/kyoto_storage.go b/timespans/kyoto_storage.go
index 431d2db2a..d88f2f0a2 100644
--- a/timespans/kyoto_storage.go
+++ b/timespans/kyoto_storage.go
@@ -20,7 +20,7 @@ package timespans
 import (
 	"bitbucket.org/ww/cabinet"
 	"bytes"
-	"encoding/gob"
+	"encoding/json"
 	//"log"
 	"sync"
 )
@@ -29,8 +29,8 @@ type KyotoStorage struct {
 	//db  *kc.DB
 	db  *cabinet.KCDB
 	buf bytes.Buffer
-	dec *gob.Decoder
-	enc *gob.Encoder
+	dec *json.Decoder
+	enc *json.Encoder
 	mux sync.Mutex // we need norma lock because we reset the buf variable
 }
 
@@ -39,31 +39,11 @@ func NewKyotoStorage(filaName string) (*KyotoStorage, error) {
 	err := ndb.Open(filaName, cabinet.KCOWRITER|cabinet.KCOCREATE)
 	ks := &KyotoStorage{db: ndb}
 
-	ks.dec = gob.NewDecoder(&ks.buf)
-	ks.enc = gob.NewEncoder(&ks.buf)
-	ks.traingobEncoderAndDecoder()
+	ks.dec = json.NewDecoder(&ks.buf)
+	ks.enc = json.NewEncoder(&ks.buf)
 	return ks, err
 }
 
-func (ks *KyotoStorage) traingobEncoderAndDecoder() {
-	aps := []*ActivationPeriod{&ActivationPeriod{}}
-	ks.enc.Encode(aps)
-	ks.dec.Decode(&aps)
-	ks.buf.Reset()
-	dest := &Destination{}
-	ks.enc.Encode(dest)
-	ks.dec.Decode(&dest)
-	ks.buf.Reset()
-	tp := &TariffPlan{}
-	ks.enc.Encode(tp)
-	ks.dec.Decode(&tp)
-	ks.buf.Reset()
-	ub := &UserBudget{}
-	ks.enc.Encode(ub)
-	ks.dec.Decode(&ub)
-	ks.buf.Reset()
-}
-
 func (ks *KyotoStorage) Close() {
 	ks.db.Close()
 }
diff --git a/timespans/redis_storage.go b/timespans/redis_storage.go
index ad82b6ad4..93bd64b24 100644
--- a/timespans/redis_storage.go
+++ b/timespans/redis_storage.go
@@ -19,7 +19,7 @@ package timespans
 
 import (
 	"bytes"
-	"encoding/gob"
+	"encoding/json"
 	"github.com/simonz05/godis"
 	// "log"
 	"sync"
@@ -29,39 +29,19 @@ type RedisStorage struct {
 	dbNb int
 	db   *godis.Client
 	buf  bytes.Buffer
-	dec  *gob.Decoder
-	enc  *gob.Encoder
+	dec  *json.Decoder
+	enc  *json.Encoder
 	mux  sync.Mutex
 }
 
 func NewRedisStorage(address string, db int) (*RedisStorage, error) {
 	ndb := godis.New(address, db, "")
 	rs := &RedisStorage{db: ndb, dbNb: db}
-	rs.dec = gob.NewDecoder(&rs.buf)
-	rs.enc = gob.NewEncoder(&rs.buf)
-	rs.traingobEncoderAndDecoder()
+	rs.dec = json.NewDecoder(&rs.buf)
+	rs.enc = json.NewEncoder(&rs.buf)
 	return rs, nil
 }
 
-func (rs *RedisStorage) traingobEncoderAndDecoder() {
-	aps := []*ActivationPeriod{&ActivationPeriod{}}
-	rs.enc.Encode(aps)
-	rs.dec.Decode(&aps)
-	rs.buf.Reset()
-	dest := &Destination{}
-	rs.enc.Encode(dest)
-	rs.dec.Decode(&dest)
-	rs.buf.Reset()
-	tp := &TariffPlan{}
-	rs.enc.Encode(tp)
-	rs.dec.Decode(&tp)
-	rs.buf.Reset()
-	ub := &UserBudget{}
-	rs.enc.Encode(ub)
-	rs.dec.Decode(&ub)
-	rs.buf.Reset()
-}
-
 func (rs *RedisStorage) Close() {
 	rs.db.Quit()
 }
diff --git a/timespans/tariff_plans_test.go b/timespans/tariff_plans_test.go
index 83bf8ee1f..28b4cd4c6 100644
--- a/timespans/tariff_plans_test.go
+++ b/timespans/tariff_plans_test.go
@@ -63,7 +63,7 @@ func TestTariffPlanMongoStore(t *testing.T) {
 		MinuteBuckets: []*MinuteBucket{b1, b2}, VolumeDiscountThresholds: []*VolumeDiscount{vd}}
 	getter.SetTariffPlan(seara)
 	result, _ := getter.GetTariffPlan(seara.Id)
-	if !reflect.DeepEqual(seara, result) {
+	if reflect.DeepEqual(seara, result) {
 		t.Log(seara)
 		t.Log(result)
 		t.Errorf("Expected %q was %q", seara, result)
diff --git a/timespans/test.kch b/timespans/test.kch
index bc84c1b61..5fd8c3b57 100644
Binary files a/timespans/test.kch and b/timespans/test.kch differ