diff --git a/mozilla/tools/tinderbox-configs/firefox/macosx/tinder-config.pl b/mozilla/tools/tinderbox-configs/firefox/macosx/tinder-config.pl
index 3d7d0d63fad..f3fba6b93bd 100644
--- a/mozilla/tools/tinderbox-configs/firefox/macosx/tinder-config.pl
+++ b/mozilla/tools/tinderbox-configs/firefox/macosx/tinder-config.pl
@@ -110,9 +110,9 @@ $AliveTestTimeout                 = 10;
 #$XpcomGlueTestTimeout             = 15;
 #$CodesizeTestTimeout              = 900;     # seconds
 #$CodesizeTestType                 = "auto";  # {"auto"|"base"}
-$LayoutPerformanceTestTimeout     = 600;  # entire test, seconds
-$LayoutPerformanceLocalTestTimeout     = 600;  # entire test, seconds
-$DHTMLPerformanceTestTimeout      = 600;  # entire test, seconds
+$LayoutPerformanceTestTimeout     = 300;  # entire test, seconds
+$LayoutPerformanceLocalTestTimeout     = 180;  # entire test, seconds
+$DHTMLPerformanceTestTimeout      = 180;  # entire test, seconds
 #$QATestTimeout                    = 1200;   # entire test, seconds
 #$LayoutPerformanceTestPageTimeout = 30000; # each page, ms
 #$StartupPerformanceTestTimeout    = 15;    # seconds