diff --git a/pkg/fanal/analyzer/language/python/pipenv/pipenv.go b/pkg/fanal/analyzer/language/python/pipenv/pipenv.go
index 06fc1f35dccf..aa82480bf4f5 100644
--- a/pkg/fanal/analyzer/language/python/pipenv/pipenv.go
+++ b/pkg/fanal/analyzer/language/python/pipenv/pipenv.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"os"
 	"path/filepath"
+	"slices"
 
 	"golang.org/x/xerrors"
 
@@ -11,7 +12,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer/language"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 func init() {
@@ -34,7 +34,7 @@ func (a pipenvLibraryAnalyzer) Analyze(_ context.Context, input analyzer.Analysi
 
 func (a pipenvLibraryAnalyzer) Required(filePath string, _ os.FileInfo) bool {
 	fileName := filepath.Base(filePath)
-	return utils.StringInSlice(fileName, requiredFiles)
+	return slices.Contains(requiredFiles, fileName)
 }
 
 func (a pipenvLibraryAnalyzer) Type() analyzer.Type {
diff --git a/pkg/fanal/analyzer/os/amazonlinux/amazonlinux.go b/pkg/fanal/analyzer/os/amazonlinux/amazonlinux.go
index 2dc96646719f..1c3302088e80 100644
--- a/pkg/fanal/analyzer/os/amazonlinux/amazonlinux.go
+++ b/pkg/fanal/analyzer/os/amazonlinux/amazonlinux.go
@@ -5,6 +5,7 @@ import (
 	"context"
 	"io"
 	"os"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -12,7 +13,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 func init() {
@@ -63,7 +63,7 @@ func (a amazonlinuxOSAnalyzer) parseRelease(r io.Reader) (types.OS, error) {
 }
 
 func (a amazonlinuxOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, requiredFiles)
+	return slices.Contains(requiredFiles, filePath)
 }
 
 func (a amazonlinuxOSAnalyzer) Type() analyzer.Type {
diff --git a/pkg/fanal/analyzer/os/debian/debian.go b/pkg/fanal/analyzer/os/debian/debian.go
index 5c5f3c766229..8d6c7a9014df 100644
--- a/pkg/fanal/analyzer/os/debian/debian.go
+++ b/pkg/fanal/analyzer/os/debian/debian.go
@@ -4,13 +4,13 @@ import (
 	"bufio"
 	"context"
 	"os"
+	"slices"
 
 	"golang.org/x/xerrors"
 
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 func init() {
@@ -38,7 +38,7 @@ func (a debianOSAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInpu
 }
 
 func (a debianOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, requiredFiles)
+	return slices.Contains(requiredFiles, filePath)
 }
 
 func (a debianOSAnalyzer) Type() analyzer.Type {
diff --git a/pkg/fanal/analyzer/os/redhatbase/alma.go b/pkg/fanal/analyzer/os/redhatbase/alma.go
index eddf7d82f80b..11b4aa94008b 100644
--- a/pkg/fanal/analyzer/os/redhatbase/alma.go
+++ b/pkg/fanal/analyzer/os/redhatbase/alma.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"context"
 	"os"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -11,7 +12,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 const almaAnalyzerVersion = 1
@@ -46,7 +46,7 @@ func (a almaOSAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInput)
 }
 
 func (a almaOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, a.requiredFiles())
+	return slices.Contains(a.requiredFiles(), filePath)
 }
 
 func (a almaOSAnalyzer) requiredFiles() []string {
diff --git a/pkg/fanal/analyzer/os/redhatbase/centos.go b/pkg/fanal/analyzer/os/redhatbase/centos.go
index 4a57e3e9eac1..2401e6a76b21 100644
--- a/pkg/fanal/analyzer/os/redhatbase/centos.go
+++ b/pkg/fanal/analyzer/os/redhatbase/centos.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"context"
 	"os"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -11,7 +12,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 const centosAnalyzerVersion = 1
@@ -46,7 +46,7 @@ func (a centOSAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInput)
 }
 
 func (a centOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, a.requiredFiles())
+	return slices.Contains(a.requiredFiles(), filePath)
 }
 
 func (a centOSAnalyzer) requiredFiles() []string {
diff --git a/pkg/fanal/analyzer/os/redhatbase/fedora.go b/pkg/fanal/analyzer/os/redhatbase/fedora.go
index d5b2458e1c5b..1391544ccf75 100644
--- a/pkg/fanal/analyzer/os/redhatbase/fedora.go
+++ b/pkg/fanal/analyzer/os/redhatbase/fedora.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"context"
 	"os"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -11,7 +12,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 const fedoraAnalyzerVersion = 1
@@ -45,7 +45,7 @@ func (a fedoraOSAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInpu
 }
 
 func (a fedoraOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, a.requiredFiles())
+	return slices.Contains(a.requiredFiles(), filePath)
 }
 
 func (a fedoraOSAnalyzer) requiredFiles() []string {
diff --git a/pkg/fanal/analyzer/os/redhatbase/oracle.go b/pkg/fanal/analyzer/os/redhatbase/oracle.go
index 90864aefd848..d487b1bae9aa 100644
--- a/pkg/fanal/analyzer/os/redhatbase/oracle.go
+++ b/pkg/fanal/analyzer/os/redhatbase/oracle.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"context"
 	"os"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -11,7 +12,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 const oracleAnalyzerVersion = 1
@@ -42,7 +42,7 @@ func (a oracleOSAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInpu
 }
 
 func (a oracleOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, a.requiredFiles())
+	return slices.Contains(a.requiredFiles(), filePath)
 }
 
 func (a oracleOSAnalyzer) requiredFiles() []string {
diff --git a/pkg/fanal/analyzer/os/redhatbase/redhatbase.go b/pkg/fanal/analyzer/os/redhatbase/redhatbase.go
index 9fc69a8753ca..f3a9df357bab 100644
--- a/pkg/fanal/analyzer/os/redhatbase/redhatbase.go
+++ b/pkg/fanal/analyzer/os/redhatbase/redhatbase.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"os"
 	"regexp"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -13,7 +14,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 const redhatAnalyzerVersion = 1
@@ -83,7 +83,7 @@ func (a redhatOSAnalyzer) parseRelease(r io.Reader) (types.OS, error) {
 }
 
 func (a redhatOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, a.requiredFiles())
+	return slices.Contains(a.requiredFiles(), filePath)
 }
 
 func (a redhatOSAnalyzer) requiredFiles() []string {
diff --git a/pkg/fanal/analyzer/os/redhatbase/rocky.go b/pkg/fanal/analyzer/os/redhatbase/rocky.go
index ac443d29ae83..95043ec2d3c3 100644
--- a/pkg/fanal/analyzer/os/redhatbase/rocky.go
+++ b/pkg/fanal/analyzer/os/redhatbase/rocky.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"context"
 	"os"
+	"slices"
 	"strings"
 
 	"golang.org/x/xerrors"
@@ -11,7 +12,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	fos "github.com/aquasecurity/trivy/pkg/fanal/analyzer/os"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 )
 
 const rockyAnalyzerVersion = 1
@@ -46,7 +46,7 @@ func (a rockyOSAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInput
 }
 
 func (a rockyOSAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, a.requiredFiles())
+	return slices.Contains(a.requiredFiles(), filePath)
 }
 
 func (a rockyOSAnalyzer) requiredFiles() []string {
diff --git a/pkg/fanal/analyzer/pkg/rpm/rpm.go b/pkg/fanal/analyzer/pkg/rpm/rpm.go
index 70d4de217418..54caec1994b2 100644
--- a/pkg/fanal/analyzer/pkg/rpm/rpm.go
+++ b/pkg/fanal/analyzer/pkg/rpm/rpm.go
@@ -17,7 +17,6 @@ import (
 	"github.com/aquasecurity/trivy/pkg/digest"
 	"github.com/aquasecurity/trivy/pkg/fanal/analyzer"
 	"github.com/aquasecurity/trivy/pkg/fanal/types"
-	"github.com/aquasecurity/trivy/pkg/fanal/utils"
 	"github.com/aquasecurity/trivy/pkg/log"
 )
 
@@ -198,7 +197,7 @@ func (a rpmPkgAnalyzer) listPkgs(ctx context.Context, db RPMDB) (types.Packages,
 }
 
 func (a rpmPkgAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return utils.StringInSlice(filePath, requiredFiles)
+	return slices.Contains(requiredFiles, filePath)
 }
 
 func (a rpmPkgAnalyzer) Type() analyzer.Type {
diff --git a/pkg/fanal/utils/utils.go b/pkg/fanal/utils/utils.go
index 4e82a9d01ab7..5f96990cd703 100644
--- a/pkg/fanal/utils/utils.go
+++ b/pkg/fanal/utils/utils.go
@@ -32,15 +32,6 @@ func CacheDir() string {
 	return cacheDir
 }
 
-func StringInSlice(a string, list []string) bool {
-	for _, b := range list {
-		if b == a {
-			return true
-		}
-	}
-	return false
-}
-
 func IsCommandAvailable(name string) bool {
 	if _, err := exec.LookPath(name); err != nil {
 		return false