diff -up xulrunner-1.9.3.0/mozilla-central/security/manager/Makefile.in.build xulrunner-1.9.3.0/mozilla-central/security/manager/Makefile.in
--- xulrunner-1.9.3.0/mozilla-central/security/manager/Makefile.in.build	2010-08-06 03:09:27.000000000 +0200
+++ xulrunner-1.9.3.0/mozilla-central/security/manager/Makefile.in	2010-08-16 10:49:10.000000000 +0200
@@ -181,7 +181,6 @@ DEFAULT_GMAKE_FLAGS += NSPR_INCLUDE_DIR=
 DEFAULT_GMAKE_FLAGS += NSPR_LIB_DIR=$(NSPR_LIB_DIR)
 DEFAULT_GMAKE_FLAGS += MOZILLA_CLIENT=1
 DEFAULT_GMAKE_FLAGS += NO_MDUPDATE=1
-DEFAULT_GMAKE_FLAGS += NSS_ENABLE_ECC=1
 DEFAULT_GMAKE_FLAGS += NSINSTALL="$(NSINSTALL)"
 ifndef MOZ_NATIVE_SQLITE
 DEFAULT_GMAKE_FLAGS += SQLITE_LIB_NAME=mozsqlite3
diff -up xulrunner-1.9.3.0/mozilla-central/security/manager/ssl/src/Makefile.in.build xulrunner-1.9.3.0/mozilla-central/security/manager/ssl/src/Makefile.in
--- xulrunner-1.9.3.0/mozilla-central/security/manager/ssl/src/Makefile.in.build	2010-08-06 03:09:17.000000000 +0200
+++ xulrunner-1.9.3.0/mozilla-central/security/manager/ssl/src/Makefile.in	2010-08-16 10:46:22.000000000 +0200
@@ -113,8 +113,6 @@ CSRCS += md4.c
 
 EXTRA_DEPS = $(NSS_DEP_LIBS)
 
-DEFINES += -DNSS_ENABLE_ECC
-
 # Use local includes because they are inserted before INCLUDES
 # so that Mozilla's nss.h is used, not glibc's
 LOCAL_INCLUDES += $(NSS_CFLAGS)