diff --git a/cmds/idmap2/Android.bp b/cmds/idmap2/Android.bp
index aad5d23..5370dc3 100644
--- a/cmds/idmap2/Android.bp
+++ b/cmds/idmap2/Android.bp
@@ -56,9 +56,6 @@
         "-readability-redundant-access-specifiers",
         "-readability-uppercase-literal-suffix",
     ],
-    tidy_flags: [
-        "-system-headers",
-    ],
 }
 
 cc_library {