diff --git a/libc/kernel/tools/clean_header.py b/libc/kernel/tools/clean_header.py
index f474f74..d63ea03 100755
--- a/libc/kernel/tools/clean_header.py
+++ b/libc/kernel/tools/clean_header.py
@@ -122,7 +122,7 @@
 
     out = StringOutput()
     out.write(kernel_disclaimer)
-    blocks.writeWithWarning(out, kernel_warning, 4)
+    blocks.write(out)
     return out.get()