diff --git a/sim/arm/.Sanitize b/sim/arm/.Sanitize
index aaf02c006e..dc15276f83 100644
--- a/sim/arm/.Sanitize
+++ b/sim/arm/.Sanitize
@@ -28,9 +28,7 @@ Things-to-keep:
 ChangeLog
 COPYING
 Makefile.in
-Makefile.orig
 README.Cygnus
-README.orig
 armcopro.c
 armdefs.h
 armemu.c