diff --git a/mozilla/tools/tinderbox-configs/firefox/linux/CLOBBER b/mozilla/tools/tinderbox-configs/firefox/linux/CLOBBER
index 5a11ca5a537..fef8b1490a9 100644
--- a/mozilla/tools/tinderbox-configs/firefox/linux/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/firefox/linux/CLOBBER
@@ -1 +1 @@
-clobber to force new nightlies after landing of bug 177805
+Testing buildbot CLOBBER file support
diff --git a/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER b/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER
index 5a11ca5a537..fef8b1490a9 100644
--- a/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER
@@ -1 +1 @@
-clobber to force new nightlies after landing of bug 177805
+Testing buildbot CLOBBER file support
diff --git a/mozilla/tools/tinderbox-configs/firefox/win32/CLOBBER b/mozilla/tools/tinderbox-configs/firefox/win32/CLOBBER
index 73f037c6dce..fef8b1490a9 100644
--- a/mozilla/tools/tinderbox-configs/firefox/win32/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/firefox/win32/CLOBBER
@@ -1 +1 @@
-clobber to try to fix Bug 375156 (again)
+Testing buildbot CLOBBER file support