diff --git a/m1/BUILD-CHEAT-SHEET b/m1/BUILD-CHEAT-SHEET
index ffed0ab..89f374a 100644
--- a/m1/BUILD-CHEAT-SHEET
+++ b/m1/BUILD-CHEAT-SHEET
@@ -1,9 +1,11 @@
 (This is my cheat sheet. It works for me but yet may stil be incomplete
 and redundant at the same time.)
 
-NOTE: we need to pin both rtems and rtems-yaffs due to recent changes
-that make file system operations fail with EACCES, combined with (or
-maybe caused by) API changes.
+These instructions should be valid for the following versions:
+  rtems		5c51ba1333d96e2ada2c374ba22b551d179e6685
+  rtems-yaffs	cbe7492ee0e5a9bced8267d9c7ab2fd997299fda
+  milkymist	de65a675a8425b6f11361fdcaa3a9f5580ef49ab
+  flickernoise 	c1a99feeed387466cbb1cd5c9f734763d25aa450
 
 Instructions:
 
@@ -13,7 +15,6 @@ Getting rtems:
 
   git clone git://git.rtems.org/rtems.git
   cd rtems
-  git checkout 314d3272df763ef1a152be726e5d5385449fe046
   ln -s /home/qi/wernermisc/m1/patches/rtems/ patches
   quilt push -a
 
@@ -21,7 +22,6 @@ Getting rtems-yaffs:
 
   git clone git://github.com/milkymist/rtems-yaffs2.git
   cd rtems-yaffs2
-  git checkout cbe7492ee0e5a9bced8267d9c7ab2fd997299fda
 
 Compiling rtems: