diff --git a/.github/workflows/modernize.yml b/.github/workflows/modernize.yml
index 69b033f..a08fe2b 100644
--- a/.github/workflows/modernize.yml
+++ b/.github/workflows/modernize.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions/setup-go@v6
         with:
           # NOTE: Keep this in sync with the version from go.mod
-          go-version: "1.24.x"
+          go-version: "1.25.x"
           cache: false
 
       - name: modernize
diff --git a/common.go b/common.go
index 40ae15a..ae0cda0 100644
--- a/common.go
+++ b/common.go
@@ -7,8 +7,6 @@ package utils
 import (
 	"crypto/rand"
 	"encoding/base64"
-	"encoding/binary"
-	"encoding/hex"
 	"fmt"
 	"math"
 	"net"
@@ -17,8 +15,6 @@ import (
 	"runtime"
 	"slices"
 	"strings"
-	"sync"
-	"sync/atomic"
 
 	"github.com/google/uuid"
 )
@@ -42,50 +38,6 @@ var whitespaceTable = [256]bool{
 	' ':  true, // 32 - space
 }
 
-// Copyright © 2014, Roger Peppe
-// github.com/rogpeppe/fastuuid
-// All rights reserved.
-
-var (
-	uuidSeed    [24]byte
-	uuidCounter uint64
-	uuidSetup   sync.Once
-)
-
-// UUID generates an universally unique identifier (UUID)
-func UUID() string {
-	// Setup seed & counter once
-	uuidSetup.Do(func() {
-		if _, err := rand.Read(uuidSeed[:]); err != nil {
-			panic(fmt.Errorf("utils: failed to seed UUID generator: %w", err))
-		}
-		uuidCounter = binary.LittleEndian.Uint64(uuidSeed[:8])
-	})
-	// first 8 bytes differ, taking a slice of the first 16 bytes
-	x := atomic.AddUint64(&uuidCounter, 1)
-	_uuid := uuidSeed
-	binary.LittleEndian.PutUint64(_uuid[:8], x)
-	_uuid[6], _uuid[9] = _uuid[9], _uuid[6]
-
-	// RFC4122 v4
-	_uuid[6] = (_uuid[6] & 0x0f) | 0x40
-	_uuid[8] = _uuid[8]&0x3f | 0x80
-
-	// create UUID representation of the first 128 bits
-	b := make([]byte, 36)
-	hex.Encode(b[0:8], _uuid[0:4])
-	b[8] = '-'
-	hex.Encode(b[9:13], _uuid[4:6])
-	b[13] = '-'
-	hex.Encode(b[14:18], _uuid[6:8])
-	b[18] = '-'
-	hex.Encode(b[19:23], _uuid[8:10])
-	b[23] = '-'
-	hex.Encode(b[24:], _uuid[10:16])
-
-	return UnsafeString(b)
-}
-
 // UUIDv4 returns a Random (Version 4) UUID.
 // The strength of the UUIDs is based on the strength of the crypto/rand package.
 func UUIDv4() string {
diff --git a/common_test.go b/common_test.go
index 58039ea..73b481f 100644
--- a/common_test.go
+++ b/common_test.go
@@ -5,9 +5,7 @@
 package utils
 
 import (
-	"crypto/rand"
 	"errors"
-	"fmt"
 	"net"
 	"os"
 	"testing"
@@ -17,7 +15,7 @@ import (
 
 func Test_FunctionName(t *testing.T) {
 	t.Parallel()
-	require.Equal(t, "github.com/gofiber/utils/v2.Test_UUID", FunctionName(Test_UUID))
+	require.Equal(t, "github.com/gofiber/utils/v2.Test_UUIDv4", FunctionName(Test_UUIDv4))
 	require.Equal(t, "github.com/gofiber/utils/v2.Test_FunctionName.func1", FunctionName(func() {}))
 
 	dummyint := 20
@@ -50,31 +48,6 @@ func Test_FunctionName(t *testing.T) {
 	require.Equal(t, "*utils.sampleStruct", FunctionName(&s))
 }
 
-func Test_UUID(t *testing.T) {
-	t.Parallel()
-	res := UUID()
-	require.Len(t, res, 36)
-	require.NotEqual(t, "00000000-0000-0000-0000-000000000000", res)
-}
-
-func Test_UUID_Concurrency(t *testing.T) {
-	t.Parallel()
-	iterations := 1000
-	var res string
-	ch := make(chan string, iterations)
-	results := make(map[string]string)
-	for i := 0; i < iterations; i++ {
-		go func() {
-			ch <- UUID()
-		}()
-	}
-	for i := 0; i < iterations; i++ {
-		res = <-ch
-		results[res] = res
-	}
-	require.Len(t, results, iterations)
-}
-
 func Test_UUIDv4(t *testing.T) {
 	t.Parallel()
 	res := UUIDv4()
@@ -344,25 +317,6 @@ func Benchmark_ConvertToBytes(b *testing.B) {
 	})
 }
 
-// go test -v -run=^$ -bench=Benchmark_UUID -benchmem -count=2
-func Benchmark_UUID(b *testing.B) {
-	var res string
-	b.Run("fiber", func(b *testing.B) {
-		for n := 0; n < b.N; n++ {
-			res = UUID()
-		}
-		require.Len(b, res, 36)
-	})
-	b.Run("default", func(b *testing.B) {
-		rnd := make([]byte, 16)
-		_, _ = rand.Read(rnd) //nolint: errcheck // No need to check error
-		for n := 0; n < b.N; n++ {
-			res = fmt.Sprintf("%x-%x-%x-%x-%x", rnd[0:4], rnd[4:6], rnd[6:8], rnd[8:10], rnd[10:])
-		}
-		require.Len(b, res, 36)
-	})
-}
-
 // go test -v -run=^$ -bench=Benchmark_GenerateSecureToken -benchmem -count=2
 func Benchmark_GenerateSecureToken(b *testing.B) {
 	var res string