diff --git a/eacl/test/benchmark_test.go b/eacl/test/benchmark_test.go
index b52653cb..d396f127 100644
--- a/eacl/test/benchmark_test.go
+++ b/eacl/test/benchmark_test.go
@@ -17,7 +17,7 @@ func baseBenchmarkTableBinaryComparison(b *testing.B, factor int) {
 	b.StopTimer()
 	b.ResetTimer()
 	b.StartTimer()
-	for i := 0; i < b.N; i++ {
+	for range b.N {
 		if !bytes.Equal(exp, t.Marshal()) {
 			b.Fail()
 		}
@@ -33,7 +33,7 @@ func baseBenchmarkTableEqualsComparison(b *testing.B, factor int) {
 	b.StopTimer()
 	b.ResetTimer()
 	b.StartTimer()
-	for i := 0; i < b.N; i++ {
+	for range b.N {
 		if !eacl.EqualTables(*t, t2) {
 			b.Fail()
 		}
@@ -71,7 +71,7 @@ func TargetN(n int) *eacl.Target {
 	x.SetRole(eacl.RoleSystem)
 	keys := make([][]byte, n)
 
-	for i := 0; i < n; i++ {
+	for i := range n {
 		keys[i] = make([]byte, 32)
 		//nolint:staticcheck
 		rand.Read(keys[i])
@@ -85,7 +85,7 @@ func TargetN(n int) *eacl.Target {
 // Record returns random eacl.Record.
 func RecordN(n int) *eacl.Record {
 	fs := make([]eacl.Filter, n)
-	for i := 0; i < n; i++ {
+	for i := range n {
 		fs[i] = eacl.ConstructFilter(eacl.HeaderFromObject, "", eacl.MatchStringEqual, cidtest.ID().EncodeToString())
 	}
 
@@ -95,7 +95,7 @@ func RecordN(n int) *eacl.Record {
 
 func TableN(n int) *eacl.Table {
 	rs := make([]eacl.Record, n)
-	for i := 0; i < n; i++ {
+	for i := range n {
 		rs[i] = *RecordN(n)
 	}
 	x := eacl.NewTableForContainer(cidtest.ID(), rs)
diff --git a/pool/pool_aio_test.go b/pool/pool_aio_test.go
index b0e19287..66a0d3fd 100644
--- a/pool/pool_aio_test.go
+++ b/pool/pool_aio_test.go
@@ -370,7 +370,7 @@ func testPoolInterfaceWithAIO(t *testing.T, nodeAddr string) {
 	})
 
 	times := int(opts.sessionExpirationDuration * 3)
-	for i := 0; i < times; i++ {
+	for range times {
 		epoch, err := tickNewEpoch(ctx, pool)
 		require.NoError(t, err)
 
diff --git a/pool/pool_test.go b/pool/pool_test.go
index 58644f39..4393aabc 100644
--- a/pool/pool_test.go
+++ b/pool/pool_test.go
@@ -205,7 +205,7 @@ func TestOneOfTwoFailed(t *testing.T) {
 
 	time.Sleep(2 * time.Second)
 
-	for i := 0; i < 5; i++ {
+	for range 5 {
 		cp, err := pool.connection()
 		require.NoError(t, err)
 		require.True(t, assertAuthKeyForAny(cp.address(), nodes))
@@ -460,7 +460,7 @@ func TestStatusMonitor(t *testing.T) {
 	monitor.errorThreshold = 3
 
 	count := 10
-	for i := 0; i < count; i++ {
+	for range count {
 		monitor.incErrorRate()
 	}
 
diff --git a/pool/sampler_test.go b/pool/sampler_test.go
index 6cd5a5ed..63d9d541 100644
--- a/pool/sampler_test.go
+++ b/pool/sampler_test.go
@@ -34,7 +34,7 @@ func TestSamplerStability(t *testing.T) {
 	for _, tc := range cases {
 		sampler := newSampler(tc.probabilities, rand.NewSource(0))
 		res := make([]int, len(tc.probabilities))
-		for i := 0; i < COUNT; i++ {
+		for range COUNT {
 			res[sampler.Next()]++
 		}
 
diff --git a/stat/pool_test.go b/stat/pool_test.go
index 4f3f7757..261be7fd 100644
--- a/stat/pool_test.go
+++ b/stat/pool_test.go
@@ -46,7 +46,7 @@ func TestStatisticConcurrency(t *testing.T) {
 		go func(c *config) {
 			defer wg.Done()
 
-			for i := 0; i < n; i++ {
+			for range n {
 				var err error
 				if rand.N(2) > 0 {
 					err = errors.New("some err")