diff --git a/pkg/utils/env_helper/env.go b/pkg/utils/env_helper/env.go
deleted file mode 100644
index b6894e1..0000000
--- a/pkg/utils/env_helper/env.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package env_helper
-
-import "strings"
-
-func ReplaceDefaultENV(key, tz string) string {
-	temp := ""
-	switch key {
-	case "$DefaultPassword":
-		temp = "casaos"
-	case "$DefaultUserName":
-		temp = "admin"
-
-	case "$PUID":
-		temp = "1000"
-	case "$PGID":
-		temp = "1000"
-	case "$TZ":
-		temp = tz
-	}
-	return temp
-}
-
-//replace env default setting
-func ReplaceStringDefaultENV(str string) string {
-	return strings.ReplaceAll(strings.ReplaceAll(str, "$DefaultPassword", ReplaceDefaultENV("$DefaultPassword", "")), "$DefaultUserName", ReplaceDefaultENV("$DefaultUserName", ""))
-}