diff --git a/eclass/nas-kernel.eclass b/eclass/nas-kernel.eclass
index 9e0b5fb..4be9129 100644
--- a/eclass/nas-kernel.eclass
+++ b/eclass/nas-kernel.eclass
@@ -373,6 +373,9 @@ nas-kernel_src_unpack() {
 	case ${EAPI:-0} in
 		0|1) nas-kernel_src_prepare ;;
 	esac
+
+	# delete empty directories 
+	find "${S}" -type d -empty -exec rmdir {} \;
 }
 
 nas-kernel_src_prepare() {