diff --git a/app/src/main/java/io/nekohasekai/sagernet/Constants.kt b/app/src/main/java/io/nekohasekai/sagernet/Constants.kt
index 777d155..832c6b4 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/Constants.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/Constants.kt
@@ -42,9 +42,6 @@ object Key {
 
     const val APPEND_HTTP_PROXY = "appendHttpProxy"
 
-    const val REQUIRE_TRANSPROXY = "requireTransproxy"
-    const val TRANSPROXY_MODE = "transproxyMode"
-    const val TRANSPROXY_PORT = "transproxyPort"
     const val CONNECTION_TEST_URL = "connectionTestURL"
 
     const val TCP_KEEP_ALIVE_INTERVAL = "tcpKeepAliveInterval"
diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt
index 91a6232..ab7d5a4 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/SagerConnection.kt
@@ -24,7 +24,7 @@ class SagerConnection(
         val serviceClass
             get() = when (DataStore.serviceMode) {
                 Key.MODE_PROXY -> ProxyService::class
-                Key.MODE_VPN -> VpnService::class //   Key.MODE_TRANS -> TransproxyService::class
+                Key.MODE_VPN -> VpnService::class
                 else -> throw UnknownError()
             }.java
 
diff --git a/app/src/main/java/io/nekohasekai/sagernet/database/DataStore.kt b/app/src/main/java/io/nekohasekai/sagernet/database/DataStore.kt
index 41028b8..cde7531 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/database/DataStore.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/database/DataStore.kt
@@ -115,9 +115,6 @@ object DataStore : OnPreferenceDataStoreChangeListener {
         set(value) {
             saveLocalPort(Key.LOCAL_DNS_PORT, value)
         }
-    var transproxyPort: Int
-        get() = getLocalPort(Key.TRANSPROXY_PORT, 9200)
-        set(value) = saveLocalPort(Key.TRANSPROXY_PORT, value)
 
     fun initGlobal() {
         if (configurationStore.getString(Key.MIXED_PORT) == null) {
@@ -126,9 +123,6 @@ object DataStore : OnPreferenceDataStoreChangeListener {
         if (configurationStore.getString(Key.LOCAL_DNS_PORT) == null) {
             localDNSPort = localDNSPort
         }
-        if (configurationStore.getString(Key.TRANSPROXY_PORT) == null) {
-            transproxyPort = transproxyPort
-        }
     }
 
 
@@ -151,8 +145,6 @@ object DataStore : OnPreferenceDataStoreChangeListener {
     val persistAcrossReboot by configurationStore.boolean(Key.PERSIST_ACROSS_REBOOT) { false }
 
     var appendHttpProxy by configurationStore.boolean(Key.APPEND_HTTP_PROXY)
-    var requireTransproxy by configurationStore.boolean(Key.REQUIRE_TRANSPROXY)
-    var transproxyMode by configurationStore.stringToInt(Key.TRANSPROXY_MODE)
     var connectionTestURL by configurationStore.string(Key.CONNECTION_TEST_URL) { CONNECTION_TEST_URL }
     var connectionTestConcurrent by configurationStore.int("connectionTestConcurrent") { 5 }
     var alwaysShowAddress by configurationStore.boolean(Key.ALWAYS_SHOW_ADDRESS)
diff --git a/app/src/main/java/io/nekohasekai/sagernet/fmt/ConfigBuilder.kt b/app/src/main/java/io/nekohasekai/sagernet/fmt/ConfigBuilder.kt
index be3c923..d38e4c4 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/fmt/ConfigBuilder.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/fmt/ConfigBuilder.kt
@@ -45,7 +45,6 @@ import moe.matsuri.nb4a.utils.listByLineOrComma
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 
 const val TAG_MIXED = "mixed-in"
-const val TAG_TRANS = "trans-in"
 
 const val TAG_PROXY = "proxy"
 const val TAG_DIRECT = "direct"
@@ -154,7 +153,6 @@ fun buildConfig(
     val needSniff = DataStore.trafficSniffing > 0
     val needSniffOverride = DataStore.trafficSniffing == 2
     val externalIndexMap = ArrayList<IndexEntity>()
-    val requireTransproxy = if (forTest) false else DataStore.requireTransproxy
     val ipv6Mode = if (forTest) IPv6Mode.ENABLE else DataStore.ipv6Mode
 
     fun genDomainStrategy(noAsIs: Boolean): String {
@@ -254,28 +252,6 @@ fun buildConfig(
             })
         }
 
-        if (requireTransproxy) {
-            if (DataStore.transproxyMode == 1) {
-                inbounds.add(Inbound_TProxyOptions().apply {
-                    type = "tproxy"
-                    tag = TAG_TRANS
-                    listen = bind
-                    listen_port = DataStore.transproxyPort
-                    sniff = needSniff
-                    sniff_override_destination = needSniffOverride
-                })
-            } else {
-                inbounds.add(Inbound_RedirectOptions().apply {
-                    type = "redirect"
-                    tag = TAG_TRANS
-                    listen = bind
-                    listen_port = DataStore.transproxyPort
-                    sniff = needSniff
-                    sniff_override_destination = needSniffOverride
-                })
-            }
-        }
-
         outbounds = mutableListOf()
 
         // init routing object
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/SettingsPreferenceFragment.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/SettingsPreferenceFragment.kt
index a2fd1a6..ff1e669 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/SettingsPreferenceFragment.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/SettingsPreferenceFragment.kt
@@ -93,9 +93,6 @@ class SettingsPreferenceFragment : PreferenceFragmentCompat() {
         val enableDnsRouting = findPreference<SwitchPreference>(Key.ENABLE_DNS_ROUTING)!!
         val enableFakeDns = findPreference<SwitchPreference>(Key.ENABLE_FAKEDNS)!!
 
-        val requireTransproxy = findPreference<SwitchPreference>(Key.REQUIRE_TRANSPROXY)!!
-        val transproxyPort = findPreference<EditTextPreference>(Key.TRANSPROXY_PORT)!!
-        val transproxyMode = findPreference<SimpleMenuPreference>(Key.TRANSPROXY_MODE)!!
         val logLevel = findPreference<LongClickListPreference>(Key.LOG_LEVEL)!!
         val mtu = findPreference<MTUPreference>(Key.MTU)!!
 
@@ -126,16 +123,6 @@ class SettingsPreferenceFragment : PreferenceFragmentCompat() {
             true
         }
 
-        transproxyPort.isEnabled = requireTransproxy.isChecked
-        transproxyMode.isEnabled = requireTransproxy.isChecked
-
-        requireTransproxy.setOnPreferenceChangeListener { _, newValue ->
-            transproxyPort.isEnabled = newValue as Boolean
-            transproxyMode.isEnabled = newValue
-            needReload()
-            true
-        }
-
         val muxProtocols = findPreference<MultiSelectListPreference>(Key.MUX_PROTOCOLS)!!
 
         muxProtocols.apply {
@@ -203,9 +190,6 @@ class SettingsPreferenceFragment : PreferenceFragmentCompat() {
         ipv6Mode.onPreferenceChangeListener = reloadListener
         allowAccess.onPreferenceChangeListener = reloadListener
 
-        transproxyPort.onPreferenceChangeListener = reloadListener
-        transproxyMode.onPreferenceChangeListener = reloadListener
-
         resolveDestination.onPreferenceChangeListener = reloadListener
         tunImplementation.onPreferenceChangeListener = reloadListener
         acquireWakeLock.onPreferenceChangeListener = reloadListener
diff --git a/app/src/main/res/xml/global_preferences.xml b/app/src/main/res/xml/global_preferences.xml
index 76ee614..a15ca70 100644
--- a/app/src/main/res/xml/global_preferences.xml
+++ b/app/src/main/res/xml/global_preferences.xml
@@ -220,21 +220,6 @@
             app:key="appendHttpProxy"
             app:summary="@string/append_http_proxy_sum"
             app:title="@string/append_http_proxy" />
-        <SwitchPreference
-            app:icon="@drawable/ic_baseline_transgender_24"
-            app:key="requireTransproxy"
-            app:title="@string/require_transproxy" />
-        <EditTextPreference
-            app:key="transproxyPort"
-            app:title="@string/port_transproxy"
-            app:useSimpleSummaryProvider="true" />
-        <moe.matsuri.nb4a.ui.SimpleMenuPreference
-            app:defaultValue="0"
-            app:entries="@array/transproxy_mode"
-            app:entryValues="@array/int_array_2"
-            app:key="transproxyMode"
-            app:title="@string/transproxy_mode"
-            app:useSimpleSummaryProvider="true" />
         <SwitchPreference
             app:icon="@drawable/ic_baseline_nat_24"
             app:key="allowAccess"