diff --git a/Mk/bsd.gecko.mk b/Mk/bsd.gecko.mk
index e7cabd965629..fd8ef59e793c 100644
--- a/Mk/bsd.gecko.mk
+++ b/Mk/bsd.gecko.mk
@@ -66,8 +66,6 @@ Gecko_Pre_Include=	bsd.gecko.mk
 # MOZ_TOOLKIT			A variable for the --enable-default-toolkit= in
 # 						CONFIGURE_ARGS. The default is cairo-gtk2.
 #
-# MOZ_EXTENSIONS		A list of extensions to build
-#
 # PORT_MOZCONFIG		Defaults to ${FILESDIR}/mozconfig.in, but can be
 # 						set to a generic mozconfig included with the port
 #
@@ -266,12 +264,6 @@ MOZ_OPTIONS+=	\
 		--disable-updater \
 		--enable-pie \
 		--with-pthreads
-# Configure options for install
-.if !defined(MOZ_EXTENSIONS)
-MOZ_OPTIONS+=	--enable-extensions=default
-.else
-MOZ_OPTIONS+=	--enable-extensions=${MOZ_EXTENSIONS}
-.endif
 # others
 MOZ_OPTIONS+=	--with-system-zlib		\
 		--with-system-bz2
diff --git a/www/seamonkey/Makefile b/www/seamonkey/Makefile
index 2cf2e6a28c0e..9052e1c67b73 100644
--- a/www/seamonkey/Makefile
+++ b/www/seamonkey/Makefile
@@ -36,7 +36,6 @@ USE_GL=		gl
 USES=		tar:xz
 MOZ_PIS_SCRIPTS=	moz_pis_S50cleanhome
 
-MOZ_EXTENSIONS=	default
 MOZ_OPTIONS+=	--enable-application=suite
 
 USE_MOZILLA=	-soundtouch