diff --git a/src/com/android/settings/ProxySelector.java b/src/com/android/settings/ProxySelector.java
index 0b6f16a..a685841 100644
--- a/src/com/android/settings/ProxySelector.java
+++ b/src/com/android/settings/ProxySelector.java
@@ -23,7 +23,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.ConnectivityManager;
-import android.net.Proxy;
 import android.net.ProxyInfo;
 import android.os.Bundle;
 import android.text.Selection;
@@ -186,18 +185,18 @@
      * @return 0 on success, string resource ID on failure
      */
     public static int validate(String hostname, String port, String exclList) {
-        switch (Proxy.validate(hostname, port, exclList)) {
-            case Proxy.PROXY_VALID:
+        switch (ProxyUtils.validate(hostname, port, exclList)) {
+            case ProxyUtils.PROXY_VALID:
                 return 0;
-            case Proxy.PROXY_HOSTNAME_EMPTY:
+            case ProxyUtils.PROXY_HOSTNAME_EMPTY:
                 return R.string.proxy_error_empty_host_set_port;
-            case Proxy.PROXY_HOSTNAME_INVALID:
+            case ProxyUtils.PROXY_HOSTNAME_INVALID:
                 return R.string.proxy_error_invalid_host;
-            case Proxy.PROXY_PORT_EMPTY:
+            case ProxyUtils.PROXY_PORT_EMPTY:
                 return R.string.proxy_error_empty_port;
-            case Proxy.PROXY_PORT_INVALID:
+            case ProxyUtils.PROXY_PORT_INVALID:
                 return R.string.proxy_error_invalid_port;
-            case Proxy.PROXY_EXCLLIST_INVALID:
+            case ProxyUtils.PROXY_EXCLLIST_INVALID:
                 return R.string.proxy_error_invalid_exclusion_list;
             default:
                 // should neven happen
diff --git a/src/com/android/settings/vpn2/ConfigDialog.java b/src/com/android/settings/vpn2/ConfigDialog.java
index 26c1565..a0c7a1e 100644
--- a/src/com/android/settings/vpn2/ConfigDialog.java
+++ b/src/com/android/settings/vpn2/ConfigDialog.java
@@ -21,7 +21,6 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.pm.PackageManager;
-import android.net.Proxy;
 import android.net.ProxyInfo;
 import android.os.Bundle;
 import android.os.SystemProperties;
@@ -41,6 +40,7 @@
 import androidx.appcompat.app.AlertDialog;
 
 import com.android.internal.net.VpnProfile;
+import com.android.net.module.util.ProxyUtils;
 import com.android.settings.R;
 
 import java.net.InetAddress;
@@ -637,7 +637,7 @@
 
         final String host = mProxyHost.getText().toString().trim();
         final String port = mProxyPort.getText().toString().trim();
-        return Proxy.validate(host, port, "") == Proxy.PROXY_VALID;
+        return ProxyUtils.validate(host, port, "") == ProxyUtils.PROXY_VALID;
     }
 
 }