diff --git a/build/mac/build_scripts/MozillaBuildFlags.txt b/build/mac/build_scripts/MozillaBuildFlags.txt
index 4293d44f4a0f..c1037e6d8502 100644
--- a/build/mac/build_scripts/MozillaBuildFlags.txt
+++ b/build/mac/build_scripts/MozillaBuildFlags.txt
@@ -60,8 +60,8 @@ lowmem          0      MOZ_MAC_LOWMEM
 accessible      1      ACCESSIBILITY
 bidi            1      IBMBIDI
 p3p             0
-jsd             1
-venkman         1
+jsd             0
+venkman         0
 moz_logging     1      MOZ_LOGGING
 chatzilla       1
 content_packs   1