diff --git a/lib/util.sh b/lib/util.sh
index 13cbf2d..aff64cc 100644
--- a/lib/util.sh
+++ b/lib/util.sh
@@ -304,27 +304,8 @@ prepare_dir(){
 }
 
 version_gen(){
-    local y=$(date +%Y) m=$(date +%m)
-    local release_versions=($y.03 $y.06 $y.09 $y.12)
-
-    for ver in ${release_versions[@]};do
-        case $m in
-            01) dist_release=${y:2}.12.1 ;;
-            02) dist_release=${y:2}.12.2 ;;
-            03|06|09|12) dist_release=${y:2}.${ver#.*} ;;
-            04) dist_release=${y:2}.03.1 ;;
-            05) dist_release=${y:2}.03.2 ;;
-            07) dist_release=${y:2}.06.1 ;;
-            08) dist_release=${y:2}.06.2 ;;
-            10) dist_release=${y:2}.09.1 ;;
-            11) dist_release=${y:2}.09.2 ;;
-        esac
-    done
-}
-
-version_gen2(){
-    local y=$(date +%Y) m=$(date +%m)
-    dist_release=${y:2}.$m
+	local y=$(date +%Y) m=$(date +%m)
+	dist_release=${y:2}.$m
 }
 
 init_common(){
@@ -377,7 +358,7 @@ init_buildiso(){
 	if [[ -z ${dist_release} ]];then
 # 		source /etc/lsb-release
 # 		dist_release=${DISTRIB_RELEASE}
-		version_gen2
+		version_gen
 	fi
 
 	if [[ -z ${dist_codename} ]];then