diff --git a/services/proguard.flags b/services/proguard.flags
index c9303462fb6ae..606f360f2cc57 100644
--- a/services/proguard.flags
+++ b/services/proguard.flags
@@ -104,6 +104,9 @@
 -keep,allowoptimization,allowaccessmodification class com.android.server.input.InputManagerService {
   <methods>;
 }
+-keep,allowoptimization,allowaccessmodification class com.android.server.input.NativeInputManagerService$NativeImpl {
+  <methods>;
+}
 -keep,allowoptimization,allowaccessmodification class com.android.server.usb.UsbHostManager {
   *** usbDeviceRemoved(...);
   *** usbDeviceAdded(...);