diff --git a/sdk_container/src/third_party/portage-stable/eclass/xdg.eclass b/sdk_container/src/third_party/portage-stable/eclass/xdg.eclass
index 6af4b91875..2e16a438d8 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/xdg.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/xdg.eclass
@@ -45,8 +45,6 @@ case ${EAPI} in
 			default
 		}
 
-		EXPORT_FUNCTIONS src_prepare
-
 		DEPEND="${_XDG_DEPEND}"
 		;;
 	*)
@@ -131,4 +129,12 @@ xdg_pkg_postrm() {
 
 fi
 
+case ${EAPI} in
+	6|7)
+		EXPORT_FUNCTIONS src_prepare
+		;;
+	*)
+		;;
+esac
+
 EXPORT_FUNCTIONS pkg_preinst pkg_postinst pkg_postrm