diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..e2a9704
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/oec/tcl
+
+go 1.12
+
+require github.com/oec/goparsify v0.0.7
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..fc47011
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/oec/goparsify v0.0.7 h1:nWHAYwgNm4BA1wrQt6w+3cExCM3TuooU8Hyr9HKsXQ4=
+github.com/oec/goparsify v0.0.7/go.mod h1:GLTAtNaFRQLtV/UCSMOb444tQy32MA4SlLrDgrP83/w=
diff --git a/tcl.go b/tcl.go
index 4bddee3..8839880 100644
--- a/tcl.go
+++ b/tcl.go
@@ -4,7 +4,6 @@ import (
 	"log"
 	"os"
 
-	"github.com/davecgh/go-spew/spew"
 	. "github.com/oec/goparsify"
 )
 
@@ -96,7 +95,3 @@ func resultchild(c int) func(*Result) {
 		// log.Printf("child[%d]: %v\n", c, r.Result)
 	}
 }
-
-func dump(r *Result) {
-	spew.Dump(r)
-}