diff --git a/go.mod b/go.mod
index a49cf5eb..05a4850b 100644
--- a/go.mod
+++ b/go.mod
@@ -2,8 +2,4 @@ module github.com/goplus/llgo
 
 go 1.20
 
-require github.com/goplus/gogen v1.16.4
-
-require golang.org/x/tools v0.19.0 // indirect
-
 retract v0.8.0
diff --git a/go.sum b/go.sum
index c3c7074d..e69de29b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +0,0 @@
-github.com/goplus/gogen v1.16.4 h1:RyU4KhJ8qmdJQwuHKpCYPh3hTFN4wSaPRwXa9syY4R8=
-github.com/goplus/gogen v1.16.4/go.mod h1:6TQYbabXDF9LCdDkOOzHmfg1R4ENfXQ3XpHa9RhTSD8=
-golang.org/x/mod v0.16.0 h1:QX4fJ0Rr5cPQCF7O9lh9Se4pmwfwskqZfq5moyldzic=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/tools v0.19.0 h1:tfGCXNR1OsFG+sVdLAitlpjAvD/I6dHDKnYrpEZUHkw=
-golang.org/x/tools v0.19.0/go.mod h1:qoJWxmGSIBmAeriMx19ogtrEPrGtDbPK634QFIcLAhc=
diff --git a/xtool/clang/types/parser/_parser_test.go b/xtool/clang/_types/parser/_parser_test.go
similarity index 100%
rename from xtool/clang/types/parser/_parser_test.go
rename to xtool/clang/_types/parser/_parser_test.go
diff --git a/xtool/clang/types/parser/parser.go b/xtool/clang/_types/parser/parser.go
similarity index 100%
rename from xtool/clang/types/parser/parser.go
rename to xtool/clang/_types/parser/parser.go
diff --git a/xtool/clang/types/scanner/scanner.go b/xtool/clang/_types/scanner/scanner.go
similarity index 100%
rename from xtool/clang/types/scanner/scanner.go
rename to xtool/clang/_types/scanner/scanner.go
diff --git a/xtool/clang/types/types.go b/xtool/clang/_types/types.go
similarity index 100%
rename from xtool/clang/types/types.go
rename to xtool/clang/_types/types.go