diff --git a/bfd/.Sanitize b/bfd/.Sanitize
index a2c39f97775..297462bcd2c 100644
--- a/bfd/.Sanitize
+++ b/bfd/.Sanitize
@@ -17,6 +17,8 @@ Do-first:
 
 if ( echo $* | grep keep\-v9 > /dev/null ) ; then
 	keep_these_too="elf64-sparc.c"
+else
+	lose_these_too="elf64-sparc.c"
 fi
 
 # All files listed between the "Things-to-keep:" line and the