diff --git a/mozilla/tools/tinderbox-configs/camino/macosx/CLOBBER b/mozilla/tools/tinderbox-configs/camino/macosx/CLOBBER
index 665d6c52aa9..8db242acdcd 100644
--- a/mozilla/tools/tinderbox-configs/camino/macosx/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/camino/macosx/CLOBBER
@@ -1,2 +1 @@
-b=363015
-- trigger clobber to pickup Talkback Makefile change
+385221, gcc 4 on PPC
diff --git a/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER b/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER
index 0d5f95f7120..c9646f8a61a 100644
--- a/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/firefox/macosx/CLOBBER
@@ -1 +1 @@
-Clobbering to unbreak sessionstore from changes in bug 386635.
+385221, gcc 4 upgrade for PPC
diff --git a/mozilla/tools/tinderbox-configs/seamonkey/macosx/CLOBBER b/mozilla/tools/tinderbox-configs/seamonkey/macosx/CLOBBER
index e132fd462c3..914a64ba379 100644
--- a/mozilla/tools/tinderbox-configs/seamonkey/macosx/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/seamonkey/macosx/CLOBBER
@@ -1 +1 @@
-Force new nightly for testing symbol upload and including debugQA again
\ No newline at end of file
+385221, gcc 4 for PPC
diff --git a/mozilla/tools/tinderbox-configs/thunderbird/macosx/CLOBBER b/mozilla/tools/tinderbox-configs/thunderbird/macosx/CLOBBER
index f9d1a228956..8db242acdcd 100644
--- a/mozilla/tools/tinderbox-configs/thunderbird/macosx/CLOBBER
+++ b/mozilla/tools/tinderbox-configs/thunderbird/macosx/CLOBBER
@@ -1 +1 @@
-Clobbering for Bug #365879
+385221, gcc 4 on PPC