diff --git a/pkg/build/build.go b/pkg/build/build.go
index 3e21f5c..335ad06 100644
--- a/pkg/build/build.go
+++ b/pkg/build/build.go
@@ -23,15 +23,15 @@ func Run(opts Options) error {
 		err    error
 	)
 	if testClient == nil {
-		client, err = s3utils.NewClient(false, opts.AwsProfile)
+		client, err = s3utils.NewClient(opts.AwsProfile)
 		if err != nil {
 			return err
 		}
 	} else {
 		client = testClient
 	}
-
-	return root.LoopPathFiltered(opts.Options, root.BuildConfigPath, "building driver", "config", func(driverVersion, configPath string) error {
+	looper := root.NewFsLooper(root.BuildConfigPath)
+	return looper.LoopFiltered(opts.Options, "building driver", "config", func(driverVersion, configPath string) error {
 		return buildConfig(client, opts, driverVersion, configPath)
 	})
 }
diff --git a/pkg/cleanup/cleaner_file.go b/pkg/cleanup/cleaner_file.go
index d9366e0..82a6816 100644
--- a/pkg/cleanup/cleaner_file.go
+++ b/pkg/cleanup/cleaner_file.go
@@ -5,10 +5,12 @@ import (
 	"os"
 )
 
-type fileCleaner struct{}
+type fileCleaner struct {
+	root.Looper
+}
 
 func NewFileCleaner() Cleaner {
-	return &fileCleaner{}
+	return &fileCleaner{Looper: root.NewFsLooper(root.BuildConfigPath)}
 }
 
 func (f *fileCleaner) Info() string {
@@ -16,7 +18,7 @@ func (f *fileCleaner) Info() string {
 }
 
 func (f *fileCleaner) Cleanup(opts Options) error {
-	return root.LoopPathFiltered(opts.Options, root.BuildConfigPath, "removing file", "config", func(driverVersion, configPath string) error {
+	return f.LoopFiltered(opts.Options, "removing file", "config", func(driverVersion, configPath string) error {
 		return os.Remove(configPath)
 	})
 }
diff --git a/pkg/cleanup/cleaner_s3.go b/pkg/cleanup/cleaner_s3.go
index 934f537..977936f 100644
--- a/pkg/cleanup/cleaner_s3.go
+++ b/pkg/cleanup/cleaner_s3.go
@@ -12,7 +12,7 @@ type s3Cleaner struct {
 }
 
 func NewS3Cleaner(awsProfile string) (Cleaner, error) {
-	client, err := s3utils.NewClient(false, awsProfile)
+	client, err := s3utils.NewClient(awsProfile)
 	if err != nil {
 		return nil, err
 	}
@@ -24,7 +24,7 @@ func (s *s3Cleaner) Info() string {
 }
 
 func (s *s3Cleaner) Cleanup(opts Options) error {
-	return s.LoopDriversFiltered(opts.Options, "cleaning up remote driver file", "key", func(driverVersion, key string) error {
+	return s.LoopFiltered(opts.Options, "cleaning up remote driver file", "key", func(driverVersion, key string) error {
 		_, err := s.DeleteObject(context.Background(), &s3.DeleteObjectInput{
 			Bucket: aws.String(s3utils.S3Bucket),
 			Key:    aws.String(key),
diff --git a/pkg/publish/publish.go b/pkg/publish/publish.go
index 6172995..86ab630 100644
--- a/pkg/publish/publish.go
+++ b/pkg/publish/publish.go
@@ -16,14 +16,15 @@ func Run(opts Options) error {
 		err    error
 	)
 	if testClient == nil {
-		client, err = s3utils.NewClient(false, opts.AwsProfile)
+		client, err = s3utils.NewClient(opts.AwsProfile)
 		if err != nil {
 			return err
 		}
 	} else {
 		client = testClient
 	}
-	return root.LoopPathFiltered(opts.Options, root.BuildOutputPath, "publishing", "driver", func(driverVersion, path string) error {
+	looper := root.NewFsLooper(root.BuildOutputPath)
+	return looper.LoopFiltered(opts.Options, "publishing", "driver", func(driverVersion, path string) error {
 		return client.PutDriver(opts.Options, driverVersion, path)
 	})
 }
diff --git a/pkg/publish/publish_test.go b/pkg/publish/publish_test.go
index 0f5c884..985ac5f 100644
--- a/pkg/publish/publish_test.go
+++ b/pkg/publish/publish_test.go
@@ -32,7 +32,7 @@ func TestPublish(t *testing.T) {
 	assert.NoError(t, err)
 
 	// Fetch an existing object metadata
-	realClient, err := s3utils.NewClient(true, "")
+	realClient, err := s3utils.NewClient("")
 	assert.NoError(t, err)
 	object, err := realClient.HeadObject(context.Background(), &s3.HeadObjectInput{
 		Bucket: aws.String(s3utils.S3Bucket),
diff --git a/pkg/root/types.go b/pkg/root/types.go
index 662fb87..39cfe65 100644
--- a/pkg/root/types.go
+++ b/pkg/root/types.go
@@ -9,6 +9,22 @@ import (
 	"regexp"
 )
 
+type RowWorker func(driverVersion, path string) error
+
+type PathBuilder func(opts Options, driverVersion, configName string) string
+
+type Looper interface {
+	LoopFiltered(opts Options, message, tag string, worker RowWorker) error
+}
+
+type FsLooper struct {
+	builder PathBuilder
+}
+
+func NewFsLooper(builder PathBuilder) Looper {
+	return &FsLooper{builder: builder}
+}
+
 type Target struct {
 	Distro        builder.Type
 	KernelRelease string
diff --git a/pkg/root/utils.go b/pkg/root/utils.go
index e373720..b7ddba4 100644
--- a/pkg/root/utils.go
+++ b/pkg/root/utils.go
@@ -6,14 +6,10 @@ import (
 	"path/filepath"
 )
 
-type PathWorker func(driverVersion, path string) error
-
-type PathBuilder func(opts Options, driverVersion, configName string) string
-
-func LoopPathFiltered(opts Options, pathBuilder PathBuilder, message, tag string, worker PathWorker) error {
+func (f *FsLooper) LoopFiltered(opts Options, message, tag string, worker RowWorker) error {
 	configNameGlob := opts.Target.toGlob()
 	for _, driverVersion := range opts.DriverVersion {
-		path := pathBuilder(opts, driverVersion, configNameGlob)
+		path := f.builder(opts, driverVersion, configNameGlob)
 		files, err := filepath.Glob(path)
 		if err != nil {
 			return err
diff --git a/pkg/stats/statter_file.go b/pkg/stats/statter_file.go
index 30a489d..d49a720 100644
--- a/pkg/stats/statter_file.go
+++ b/pkg/stats/statter_file.go
@@ -9,10 +9,12 @@ import (
 	"os"
 )
 
-type fileStatter struct{}
+type fileStatter struct {
+	root.Looper
+}
 
 func NewFileStatter() Statter {
-	return &fileStatter{}
+	return &fileStatter{Looper: root.NewFsLooper(root.BuildConfigPath)}
 }
 
 func (f *fileStatter) Info() string {
@@ -21,7 +23,7 @@ func (f *fileStatter) Info() string {
 
 func (f *fileStatter) GetDriverStats(opts root.Options) (driverStatsByDriverVersion, error) {
 	driverStatsByVersion := make(driverStatsByDriverVersion)
-	err := root.LoopPathFiltered(opts, root.BuildConfigPath, "computing stats", "config", func(driverVersion, configPath string) error {
+	err := f.LoopFiltered(opts, "computing stats", "config", func(driverVersion, configPath string) error {
 		dStats := driverStatsByVersion[driverVersion]
 		err := getConfigStats(&dStats, configPath)
 		driverStatsByVersion[driverVersion] = dStats
diff --git a/pkg/stats/statter_s3.go b/pkg/stats/statter_s3.go
index c4b83e2..9ad2e2c 100644
--- a/pkg/stats/statter_s3.go
+++ b/pkg/stats/statter_s3.go
@@ -12,7 +12,7 @@ type s3Statter struct {
 }
 
 func NewS3Statter() (Statter, error) {
-	client, err := s3utils.NewClient(true, "UNNEEDED")
+	client, err := s3utils.NewClient("")
 	if err != nil {
 		return nil, err
 	}
@@ -27,7 +27,7 @@ func (s *s3Statter) GetDriverStats(opts root.Options) (driverStatsByDriverVersio
 	slog.SetDefault(slog.With("bucket", s3utils.S3Bucket))
 
 	driverStatsByVersion := make(driverStatsByDriverVersion)
-	err := s.LoopDriversFiltered(opts, "computing stats", "key", func(driverVersion, key string) error {
+	err := s.LoopFiltered(opts, "computing stats", "key", func(driverVersion, key string) error {
 		dStats := driverStatsByVersion[driverVersion]
 		if strings.HasSuffix(key, ".ko") {
 			dStats.NumModules++
diff --git a/pkg/utils/s3/s3utils.go b/pkg/utils/s3/s3utils.go
index 2256ecf..7d25d10 100644
--- a/pkg/utils/s3/s3utils.go
+++ b/pkg/utils/s3/s3utils.go
@@ -20,9 +20,9 @@ const (
 	s3DriverNameRegexFmt = `^%s_(?P<Distro>[a-zA-Z-0-9.0-9]*)_(?P<KernelRelease>.*)_(?P<KernelVersion>.*)(\.o|\.ko)`
 )
 
-func (cl *Client) LoopDriversFiltered(opts root.Options,
+func (cl *Client) LoopFiltered(opts root.Options,
 	message, tag string,
-	keyProcessor func(driverVersion, key string) error,
+	keyProcessor root.RowWorker,
 ) error {
 	s3DriverNameRegex := regexp.MustCompile(fmt.Sprintf(s3DriverNameRegexFmt, opts.DriverName))
 	for _, driverVersion := range opts.DriverVersion {
diff --git a/pkg/utils/s3/types.go b/pkg/utils/s3/types.go
index 9d7c657..76781d7 100644
--- a/pkg/utils/s3/types.go
+++ b/pkg/utils/s3/types.go
@@ -11,12 +11,12 @@ type Client struct {
 	*s3.Client
 }
 
-func NewClient(readOnly bool, awsProfile string) (*Client, error) {
+func NewClient(awsProfile string) (*Client, error) {
 	var (
 		cfg aws.Config
 		err error
 	)
-	if !readOnly {
+	if awsProfile != "" {
 		cfg, err = config.LoadDefaultConfig(context.Background(), config.WithRegion(S3Bucket), config.WithSharedConfigProfile(awsProfile))
 		if err != nil {
 			return nil, err
diff --git a/pkg/validate/validate.go b/pkg/validate/validate.go
index 1dc0504..5be677a 100644
--- a/pkg/validate/validate.go
+++ b/pkg/validate/validate.go
@@ -14,7 +14,8 @@ import (
 
 func Run(opts Options) error {
 	slog.Info("validate config files")
-	return root.LoopPathFiltered(opts.Options, root.BuildConfigPath, "validating", "config", func(driverVersion, configPath string) error {
+	looper := root.NewFsLooper(root.BuildConfigPath)
+	return looper.LoopFiltered(opts.Options, "validating", "config", func(driverVersion, configPath string) error {
 		return validateConfig(configPath, opts, driverVersion)
 	})
 }