diff --git a/vars/build.vars b/vars/build.vars
index 5fadc7d..20921c3 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -357,6 +357,7 @@ LIB_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_LIBFIRM_BUILD_DIR:=build/libfirm};
 : ${PKG_LIBFIRM_CONFIGURE:=bfirm/configure};
 : ${PKG_LIBFIRM_CONFIGURE_ARGS:="--source-dir=../../libfirm --prefix="};
+: ${PKG_LIBFIRM_DISABLED:=1};
 : ${PKG_LIBGCRYPT_SHA256SUM:=3b67862e2f4711e25c4ce3cc4b48d52a58a3afdcd1d8c6a57f93a1c0ef03e5c6};
 : ${PKG_LIBGCRYPT_VERSION:=1.7.4};
 : ${PKG_LIBGCRYPT_URL:=https://www.gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-${PKG_LIBGCRYPT_VERSION}.tar.bz2};
@@ -600,6 +601,7 @@ LEAF_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_CPARSER_BUILD_DIR:=build/cparser};
 : ${PKG_CPARSER_CONFIGURE:=bcparser/configure};
 : ${PKG_CPARSER_CONFIGURE_ARGS:="--source-dir=../../cparser --prefix="};
+: ${PKG_CPARSER_DISABLED:=1};
 : ${PKG_CRON_URLS_GIT:="pkg-cron.git=git://anonscm.debian.org/pkg-cron/pkg-cron.git@debian/3.0pl1-128"};
 : ${PKG_CRON_ENV_VARS_EXTRA:="CC=${TARGET}-gcc:CFLAGS=${PACKAGES_CFLAGS_CONFIGURE} -D__GNU__"};
 : ${PKG_DASH_SHA256SUM:=5ecd5bea72a93ed10eb15a1be9951dd51b52e5da1d4a7ae020efd9826b49e659};