diff --git a/tools/tinderbox-configs/sunbird/linux/CLOBBER b/tools/tinderbox-configs/sunbird/linux/CLOBBER
new file mode 100644
index 00000000000..455f0d16e12
--- /dev/null
+++ b/tools/tinderbox-configs/sunbird/linux/CLOBBER
@@ -0,0 +1 @@
+2007-01-23 00:55 UTC - Moving tinderboxes to SUNBIRD_0_3_BRANCH for 0.3.1 maintenance release.
diff --git a/tools/tinderbox-configs/sunbird/macosx/CLOBBER b/tools/tinderbox-configs/sunbird/macosx/CLOBBER
index 872b5058168..eab4f27f34b 100644
--- a/tools/tinderbox-configs/sunbird/macosx/CLOBBER
+++ b/tools/tinderbox-configs/sunbird/macosx/CLOBBER
@@ -1 +1,2 @@
 copied files from carbon to cocoa widgets, this always messes up tinderboxes. clobbering. b=366732
+2007-01-23 00:55 UTC - Moving tinderboxes to SUNBIRD_0_3_BRANCH for 0.3.1 maintenance release.
diff --git a/tools/tinderbox-configs/sunbird/win32/CLOBBER b/tools/tinderbox-configs/sunbird/win32/CLOBBER
index c0bcad8eaf8..b453e6d9443 100644
--- a/tools/tinderbox-configs/sunbird/win32/CLOBBER
+++ b/tools/tinderbox-configs/sunbird/win32/CLOBBER
@@ -1,2 +1,3 @@
 Edit this file and include an explanation of why you're respinning. - #build
 2007-01-09 05:54 UTC - cvs conflict on mozilla/LICENSE is causing burnination.
+2007-01-23 00:55 UTC - Moving tinderboxes to SUNBIRD_0_3_BRANCH for 0.3.1 maintenance release.