diff --git a/go.mod b/go.mod
index 9225c4b..f9ec4f5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/kozmod/oniontx
 
-go 1.20
+go 1.23
diff --git a/saga/track.go b/saga/track.go
index 3953c4a..3b9af8d 100644
--- a/saga/track.go
+++ b/saga/track.go
@@ -2,6 +2,7 @@ package saga
 
 import (
 	"fmt"
+	"slices"
 	"strings"
 	"sync"
 )
@@ -48,15 +49,15 @@ type ExecutionData struct {
 }
 
 // String returns a compact representation of ExecutionData.
-func (t ExecutionData) String() string {
+func (ed ExecutionData) String() string {
 	var builder strings.Builder
 
-	builder.WriteString(fmt.Sprintf("{Status: %s, Calls: %d", t.Status, t.Calls))
-	if len(t.Errors) > 0 {
-		builder.WriteString(fmt.Sprintf(", Errors: %d", len(t.Errors)))
+	builder.WriteString(fmt.Sprintf("{Status: %s, Calls: %d", ed.Status, ed.Calls))
+	if len(ed.Errors) > 0 {
+		builder.WriteString(fmt.Sprintf(", Errors: %d", len(ed.Errors)))
 		// @TODO: add errors output
-		//if len(t.Errors) == 1 {
-		//	builder.WriteString(fmt.Sprintf(" [%v]", t.Errors[0]))
+		//if len(ed.Errors) == 1 {
+		//	builder.WriteString(fmt.Sprintf(" [%v]", ed.Errors[0]))
 		//}
 	}
 
@@ -65,13 +66,11 @@ func (t ExecutionData) String() string {
 }
 
 // Clone creates a deep copy of ExecutionData.
-func (t ExecutionData) Clone() ExecutionData {
-	errors := make([]error, len(t.Errors))
-	copy(errors, t.Errors)
+func (ed ExecutionData) Clone() ExecutionData {
 	return ExecutionData{
-		Calls:  t.Calls,
-		Errors: errors,
-		Status: t.Status,
+		Calls:  ed.Calls,
+		Errors: slices.Clone(ed.Errors),
+		Status: ed.Status,
 	}
 }
 
diff --git a/test/bech/clone_test.go b/test/bech/clone_test.go
new file mode 100644
index 0000000..c22add4
--- /dev/null
+++ b/test/bech/clone_test.go
@@ -0,0 +1,157 @@
+package bech
+
+import (
+	"fmt"
+	"math/rand/v2"
+	"slices"
+	"testing"
+	"time"
+
+	"github.com/kozmod/oniontx/saga"
+)
+
+func Benchmark_copy(b *testing.B) {
+	const (
+		letters   = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		errorsLen = 100
+	)
+	var (
+		generator = rand.New(rand.NewPCG(uint64(time.Now().UnixNano()), uint64(time.Now().UnixNano())))
+		genFn     = func() saga.ExecutionData {
+			errors := make([]error, errorsLen)
+			for i := 0; i < errorsLen; i++ {
+				b := make([]byte, 10)
+				for i := range b {
+					b[i] = letters[generator.IntN(len(letters))]
+				}
+				errors[i] = fmt.Errorf("%s", string(b))
+			}
+
+			return saga.ExecutionData{
+				Calls:  generator.Uint32(),
+				Errors: errors,
+				Status: saga.ExecutionStatusSuccess,
+			}
+		}
+
+		slicesClone = func(in saga.ExecutionData) saga.ExecutionData {
+			return saga.ExecutionData{
+				Calls:  in.Calls,
+				Errors: slices.Clone(in.Errors),
+				Status: in.Status,
+			}
+		}
+
+		oldCopy = func(in saga.ExecutionData) saga.ExecutionData {
+			errors := make([]error, len(in.Errors))
+			copy(errors, in.Errors)
+			return saga.ExecutionData{
+				Calls:  in.Calls,
+				Errors: errors,
+				Status: in.Status,
+			}
+		}
+	)
+
+	b.Run(fmt.Sprintf("size_%d", errorsLen), func(b *testing.B) {
+		b.Run("copy", func(b *testing.B) {
+			var (
+				in  = genFn()
+				res saga.ExecutionData
+			)
+
+			b.ResetTimer()
+			b.ReportAllocs()
+			for i := 0; i < b.N; i++ {
+				res = oldCopy(in)
+			}
+
+			_ = res
+		})
+
+		b.Run("slices.Clone", func(b *testing.B) {
+			var (
+				in  = genFn()
+				res saga.ExecutionData
+			)
+
+			b.ResetTimer()
+			b.ReportAllocs()
+			for i := 0; i < b.N; i++ {
+				res = slicesClone(in)
+			}
+
+			_ = res
+		})
+	})
+
+	b.Run("empty", func(b *testing.B) {
+		b.Run("copy", func(b *testing.B) {
+			var (
+				in  = genFn()
+				res saga.ExecutionData
+			)
+
+			b.ResetTimer()
+			b.ReportAllocs()
+			res.Errors = nil
+			for i := 0; i < b.N; i++ {
+				res = oldCopy(in)
+			}
+
+			_ = res
+		})
+
+		b.Run("slices.Clone", func(b *testing.B) {
+			var (
+				in  = genFn()
+				res saga.ExecutionData
+			)
+
+			b.ResetTimer()
+			b.ReportAllocs()
+			res.Errors = nil
+			for i := 0; i < b.N; i++ {
+				res = slicesClone(in)
+			}
+
+			_ = res
+		})
+	})
+
+	b.Run(fmt.Sprintf("empty_with_cap_%d", errorsLen), func(b *testing.B) {
+		b.Run("copy", func(b *testing.B) {
+
+			var (
+				in  = genFn()
+				res saga.ExecutionData
+			)
+			res.Errors = nil
+
+			b.ResetTimer()
+			b.ReportAllocs()
+			res.Errors = make([]error, cap(in.Errors))
+			for i := 0; i < b.N; i++ {
+				res = oldCopy(in)
+			}
+
+			_ = res
+		})
+
+		b.Run("slices.Clone", func(b *testing.B) {
+			var (
+				in  = genFn()
+				res saga.ExecutionData
+			)
+			b.ResetTimer()
+			b.ReportAllocs()
+			res.Errors = make([]error, cap(in.Errors))
+			for i := 0; i < b.N; i++ {
+				res = slicesClone(in)
+			}
+
+			_ = res
+		})
+	})
+
+}
diff --git a/test/go.mod b/test/go.mod
index 8d7f25f..eaeb9e9 100644
--- a/test/go.mod
+++ b/test/go.mod
@@ -6,7 +6,6 @@ require (
 	github.com/gojuno/minimock/v3 v3.4.5
 	github.com/jackc/pgx/v5 v5.7.4
 	github.com/jmoiron/sqlx v1.4.0
-	github.com/kozmod/oniontx v0.3.10
 	github.com/lib/pq v1.10.9
 	github.com/pkg/errors v0.9.1
 	github.com/redis/go-redis/v9 v9.7.3
diff --git a/test/go.sum b/test/go.sum
index 6ae8ec9..069c495 100644
--- a/test/go.sum
+++ b/test/go.sum
@@ -36,8 +36,6 @@ github.com/jmoiron/sqlx v1.4.0 h1:1PLqN7S1UYp5t4SrVVnt4nUVNemrDAtxlulVe+Qgm3o=
 github.com/jmoiron/sqlx v1.4.0/go.mod h1:ZrZ7UsYB/weZdl2Bxg6jCRO9c3YHl8r3ahlKmRT4JLY=
 github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
 github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
-github.com/kozmod/oniontx v0.3.10 h1:dVRKS/7gdPhn6JoD2WgyFTAiUT3Y0ZrhAjUSovBUvmk=
-github.com/kozmod/oniontx v0.3.10/go.mod h1:OOa9nmU2nYLk7ZtHW+4olMx1LnoNZErVgkIgwla9Y/U=
 github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
 github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=