diff --git a/ipv6/6tunnel/Makefile b/ipv6/6tunnel/Makefile
index 189238d14..19c4a7870 100644
--- a/ipv6/6tunnel/Makefile
+++ b/ipv6/6tunnel/Makefile
@@ -17,7 +17,6 @@ PKG_SOURCE_URL:=http://toxygen.net/6tunnel/
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-0.11
-PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install
 
 include $(INCLUDE_DIR)/package.mk
 
diff --git a/ipv6/radvd/Makefile b/ipv6/radvd/Makefile
index 5b66f3c1e..0d54c3be7 100644
--- a/ipv6/radvd/Makefile
+++ b/ipv6/radvd/Makefile
@@ -18,8 +18,6 @@ PKG_SOURCE_URL:=http://v6web.litech.org/radvd/dist \
 		http://download.sourcemage.org/mirror
 PKG_MD5SUM:=9ee449e4b89171432cb9e9100e0b5648
 
-PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install
-
 include $(INCLUDE_DIR)/package.mk
 
 define Package/radvd