diff --git a/libs/binder/Binder.cpp b/libs/binder/Binder.cpp
index c4d47ca..7ce2a31 100644
--- a/libs/binder/Binder.cpp
+++ b/libs/binder/Binder.cpp
@@ -237,6 +237,10 @@
 
             // XXX can't add virtuals until binaries are updated.
             //return shellCommand(in, out, err, args, resultReceiver);
+            (void)in;
+            (void)out;
+            (void)err;
+
             if (resultReceiver != NULL) {
                 resultReceiver->send(INVALID_OPERATION);
             }