diff --git a/admission/admission.go b/admission/admission.go
index 8d51fd3..1bb01cd 100644
--- a/admission/admission.go
+++ b/admission/admission.go
@@ -8,22 +8,3 @@ type Option func(opts *Options)
 type Admission interface {
 	Admit(ctx context.Context, addr string, opts ...Option) bool
 }
-
-type admissionGroup struct {
-	admissions []Admission
-}
-
-func AdmissionGroup(admissions ...Admission) Admission {
-	return &admissionGroup{
-		admissions: admissions,
-	}
-}
-
-func (p *admissionGroup) Admit(ctx context.Context, addr string, opts ...Option) bool {
-	for _, admission := range p.admissions {
-		if admission != nil && !admission.Admit(ctx, addr, opts...) {
-			return false
-		}
-	}
-	return true
-}
diff --git a/auth/auth.go b/auth/auth.go
index adfa2b5..846fb19 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -10,29 +10,3 @@ type Option func(opts *Options)
 type Authenticator interface {
 	Authenticate(ctx context.Context, user, password string, opts ...Option) (id string, ok bool)
 }
-
-type authenticatorGroup struct {
-	authers []Authenticator
-}
-
-func AuthenticatorGroup(authers ...Authenticator) Authenticator {
-	return &authenticatorGroup{
-		authers: authers,
-	}
-}
-
-func (p *authenticatorGroup) Authenticate(ctx context.Context, user, password string, opts ...Option) (string, bool) {
-	if len(p.authers) == 0 {
-		return "", false
-	}
-	for _, auther := range p.authers {
-		if auther == nil {
-			continue
-		}
-
-		if id, ok := auther.Authenticate(ctx, user, password, opts...); ok {
-			return id, ok
-		}
-	}
-	return "", false
-}
diff --git a/bypass/bypass.go b/bypass/bypass.go
index c97f6a0..4651fed 100644
--- a/bypass/bypass.go
+++ b/bypass/bypass.go
@@ -2,7 +2,6 @@ package bypass
 
 import (
 	"context"
-	"slices"
 )
 
 type Options struct {
@@ -30,45 +29,3 @@ type Bypass interface {
 	IsWhitelist() bool
 	Contains(ctx context.Context, network, addr string, opts ...Option) bool
 }
-
-type bypassGroup struct {
-	bypasses []Bypass
-}
-
-func BypassGroup(bypasses ...Bypass) Bypass {
-	return &bypassGroup{
-		bypasses: bypasses,
-	}
-}
-
-func (p *bypassGroup) Contains(ctx context.Context, network, addr string, opts ...Option) bool {
-	var whitelist, blacklist []bool
-	for _, bypass := range p.bypasses {
-		result := bypass.Contains(ctx, network, addr, opts...)
-		if bypass.IsWhitelist() {
-			whitelist = append(whitelist, result)
-		} else {
-			blacklist = append(blacklist, result)
-		}
-	}
-	status := false
-	if len(whitelist) > 0 {
-		if slices.Contains(whitelist, false) {
-			status = false
-		} else {
-			status = true
-		}
-	}
-	if !status && len(blacklist) > 0 {
-		if slices.Contains(blacklist, true) {
-			status = true
-		} else {
-			status = false
-		}
-	}
-	return status
-}
-
-func (p *bypassGroup) IsWhitelist() bool {
-	return false
-}