diff --git a/chore/llgen/llgen.go b/chore/llgen/llgen.go
index d648b39e..fe57b993 100644
--- a/chore/llgen/llgen.go
+++ b/chore/llgen/llgen.go
@@ -21,7 +21,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/goplus/llgo/x/llgen"
+	"github.com/goplus/llgo/internal/llgen"
 )
 
 func main() {
diff --git a/x/llgen/llgen.go b/internal/llgen/llgen.go
similarity index 100%
rename from x/llgen/llgen.go
rename to internal/llgen/llgen.go