diff --git a/dbus_bindings/org.chromium.LibCrosService.dbus-xml b/dbus_bindings/org.chromium.LibCrosService.dbus-xml
index 2da1929..3111c63 100644
--- a/dbus_bindings/org.chromium.LibCrosService.dbus-xml
+++ b/dbus_bindings/org.chromium.LibCrosService.dbus-xml
@@ -3,21 +3,8 @@
 <node name="/org/chromium/LibCrosService"
       xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
   <interface name="org.chromium.LibCrosServiceInterface">
-    <method name="ResolveNetworkProxy">
-      <arg name="source_url" type="s" direction="in" />
-      <arg name="signal_interface" type="s" direction="in" />
-      <arg name="signal_name" type="s" direction="in" />
-      <annotation name="org.chromium.DBus.Method.Kind" value="simple" />
-    </method>
     <method name="GetKioskAppRequiredPlatformVersion">
       <arg name="required_platform_version" type="s" direction="out" />
     </method>
   </interface>
-  <interface name="org.chromium.UpdateEngineLibcrosProxyResolvedInterface">
-    <signal name="ProxyResolved">
-      <arg name="source_url" type="s" direction="out" />
-      <arg name="proxy_info" type="s" direction="out" />
-      <arg name="error_message" type="s" direction="out" />
-    </signal>
-  </interface>
 </node>
diff --git a/dbus_bindings/org.chromium.NetworkProxyService.dbus-xml b/dbus_bindings/org.chromium.NetworkProxyService.dbus-xml
new file mode 100644
index 0000000..90686ca
--- /dev/null
+++ b/dbus_bindings/org.chromium.NetworkProxyService.dbus-xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<node name="/org/chromium/NetworkProxyService"
+      xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
+  <interface name="org.chromium.NetworkProxyServiceInterface">
+    <method name="ResolveProxy">
+      <arg name="source_url" type="s" direction="in" />
+      <arg name="proxy_info" type="s" direction="out" />
+      <arg name="error_message" type="s" direction="out" />
+      <annotation name="org.chromium.DBus.Method.Kind" value="async" />
+    </method>
+  </interface>
+</node>