diff --git a/apptest/tests/export_import_test.go b/apptest/tests/export_import_test.go
index c76f27d67e..6f778c6cdd 100644
--- a/apptest/tests/export_import_test.go
+++ b/apptest/tests/export_import_test.go
@@ -1,16 +1,17 @@
 package tests
 
 import (
-	"os"
 	"testing"
 
-	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+
+	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestSingleExportImportNative(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
@@ -21,7 +22,7 @@ func TestSingleExportImportNative(t *testing.T) {
 }
 
 func TestClusterExportImportNative(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
diff --git a/apptest/tests/ingestprotocols_test.go b/apptest/tests/ingestprotocols_test.go
index f85170ab1c..0745052294 100644
--- a/apptest/tests/ingestprotocols_test.go
+++ b/apptest/tests/ingestprotocols_test.go
@@ -1,18 +1,18 @@
 package tests
 
 import (
-	"os"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 
 	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 	pb "github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
 )
 
 func TestSingleIngestionProtocols(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
 	sut := tc.MustStartDefaultVmsingle()
@@ -249,7 +249,7 @@ func TestSingleIngestionProtocols(t *testing.T) {
 }
 
 func TestClusterIngestionProtocols(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
 	vmstorage := tc.MustStartVmstorage("vmstorage", []string{
diff --git a/apptest/tests/metric_names_stats_test.go b/apptest/tests/metric_names_stats_test.go
index e7f0a8c0a9..baeea532f2 100644
--- a/apptest/tests/metric_names_stats_test.go
+++ b/apptest/tests/metric_names_stats_test.go
@@ -2,7 +2,6 @@ package tests
 
 import (
 	"fmt"
-	"os"
 	"strings"
 	"testing"
 
@@ -10,10 +9,11 @@ import (
 	"github.com/google/go-cmp/cmp/cmpopts"
 
 	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestSingleMetricNamesStats(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
 	sut := tc.MustStartVmsingle("vmsingle", []string{"-storage.trackMetricNamesStats=true", "-retentionPeriod=100y"})
@@ -136,8 +136,7 @@ func TestSingleMetricNamesStats(t *testing.T) {
 }
 
 func TestClusterMetricNamesStats(t *testing.T) {
-
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
diff --git a/apptest/tests/multitenant_test.go b/apptest/tests/multitenant_test.go
index 2dd9d528b2..1a10482c06 100644
--- a/apptest/tests/multitenant_test.go
+++ b/apptest/tests/multitenant_test.go
@@ -1,17 +1,17 @@
 package tests
 
 import (
-	"os"
 	"testing"
 
-	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
-
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestClusterMultiTenantSelect(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	cmpOpt := cmpopts.IgnoreFields(apptest.PrometheusAPIV1QueryResponse{}, "Status", "Data.ResultType")
 	cmpSROpt := cmpopts.IgnoreFields(apptest.PrometheusAPIV1SeriesResponse{}, "Status", "IsPartial")
diff --git a/apptest/tests/query_resource_limit_test.go b/apptest/tests/query_resource_limit_test.go
index 29102b1a8f..d98bf5ec1e 100644
--- a/apptest/tests/query_resource_limit_test.go
+++ b/apptest/tests/query_resource_limit_test.go
@@ -1,17 +1,17 @@
 package tests
 
 import (
-	"os"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestClusterMaxUniqueTimeseries(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	cmpOpt := cmpopts.IgnoreFields(apptest.PrometheusAPIV1QueryResponse{}, "Status", "Data.ResultType")
 
@@ -121,7 +121,7 @@ func TestClusterMaxUniqueTimeseries(t *testing.T) {
 }
 
 func TestClusterMaxSeries(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	cmpSROpt := cmpopts.IgnoreFields(apptest.PrometheusAPIV1SeriesResponse{}, "Status", "IsPartial")
 
diff --git a/apptest/tests/rollup_result_cache_test.go b/apptest/tests/rollup_result_cache_test.go
index e745a7cfc5..d5f6d5a682 100644
--- a/apptest/tests/rollup_result_cache_test.go
+++ b/apptest/tests/rollup_result_cache_test.go
@@ -1,17 +1,17 @@
 package tests
 
 import (
-	"os"
 	"testing"
 
-	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
-
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestClusterRollupResultCache(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	cmpOpt := cmpopts.IgnoreFields(apptest.PrometheusAPIV1QueryResponse{}, "Status", "Data.ResultType")
 
diff --git a/apptest/tests/special_query_regression_test.go b/apptest/tests/special_query_regression_test.go
index 6a8fa30b66..4ea0158e8b 100644
--- a/apptest/tests/special_query_regression_test.go
+++ b/apptest/tests/special_query_regression_test.go
@@ -1,20 +1,21 @@
 package tests
 
 import (
-	"os"
 	"path/filepath"
 	"testing"
 
-	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+
+	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 // TestSingleSpecialQueryRegression is used to test queries that have experienced issues for specific data sets.
 // These test cases were migrated from `app/victoria-metrics/main_test.go`.
 // Most of these cases are based on user feedback. Refer to the corresponding GitHub issue for details on each case.
 func TestSingleSpecialQueryRegression(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
 
diff --git a/apptest/tests/vmctl_native_migration_test.go b/apptest/tests/vmctl_native_migration_test.go
index fe3ea191f6..536c232364 100644
--- a/apptest/tests/vmctl_native_migration_test.go
+++ b/apptest/tests/vmctl_native_migration_test.go
@@ -2,7 +2,6 @@ package tests
 
 import (
 	"fmt"
-	"os"
 	"path/filepath"
 	"testing"
 
@@ -10,10 +9,11 @@ import (
 	"github.com/google/go-cmp/cmp/cmpopts"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestSingleToSingleVmctlNativeProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := apptest.NewTestCase(t)
 	defer tc.Stop()
@@ -44,7 +44,7 @@ func TestSingleToSingleVmctlNativeProtocol(t *testing.T) {
 }
 
 func TestClusterTenantsToTenantsVmctlNativeProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := apptest.NewTestCase(t)
 	defer tc.Stop()
diff --git a/apptest/tests/vmctl_prometheus_migration_test.go b/apptest/tests/vmctl_prometheus_migration_test.go
index 438020d6d4..1a98d3d387 100644
--- a/apptest/tests/vmctl_prometheus_migration_test.go
+++ b/apptest/tests/vmctl_prometheus_migration_test.go
@@ -11,6 +11,7 @@ import (
 	"github.com/google/go-cmp/cmp/cmpopts"
 
 	"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 const (
@@ -19,7 +20,7 @@ const (
 )
 
 func TestSingleVmctlPrometheusProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := apptest.NewTestCase(t)
 	defer tc.Stop()
@@ -37,7 +38,7 @@ func TestSingleVmctlPrometheusProtocol(t *testing.T) {
 }
 
 func TestClusterVmctlPrometheusProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := apptest.NewTestCase(t)
 	defer tc.Stop()
diff --git a/apptest/tests/vmctl_remote_read_mogration_test.go b/apptest/tests/vmctl_remote_read_mogration_test.go
index b2ea971fdc..c0fe761782 100644
--- a/apptest/tests/vmctl_remote_read_mogration_test.go
+++ b/apptest/tests/vmctl_remote_read_mogration_test.go
@@ -2,7 +2,6 @@ package tests
 
 import (
 	"fmt"
-	"os"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
@@ -10,10 +9,11 @@ import (
 	"github.com/prometheus/prometheus/prompb"
 
 	at "github.com/VictoriaMetrics/VictoriaMetrics/apptest"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
 func TestSingleVmctlRemoteReadProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
@@ -33,7 +33,7 @@ func TestSingleVmctlRemoteReadProtocol(t *testing.T) {
 }
 
 func TestSingleVmctlRemoteReadStreamProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := at.NewTestCase(t)
 	defer tc.Stop()
@@ -54,7 +54,7 @@ func TestSingleVmctlRemoteReadStreamProtocol(t *testing.T) {
 }
 
 func TestClusterVmctlRemoteReadProtocol(t *testing.T) {
-	os.RemoveAll(t.Name())
+	fs.MustRemoveDir(t.Name())
 
 	tc := at.NewTestCase(t)
 	defer tc.Stop()