diff --git a/repository.go b/repository.go
index f6756ef2f..7166461c9 100644
--- a/repository.go
+++ b/repository.go
@@ -120,35 +120,6 @@ func (r *Repository) renameFile(file *os.File, t Type, id ID) error {
 	return os.Rename(file.Name(), filename)
 }
 
-// Put saves content and returns the ID.
-func (r *Repository) Put(t Type, reader io.Reader) (ID, error) {
-	// save contents to tempfile, hash while writing
-	file, err := r.tempFile()
-	if err != nil {
-		return nil, err
-	}
-
-	rd := NewHashingReader(reader, r.hash)
-	_, err = io.Copy(file, rd)
-	if err != nil {
-		return nil, err
-	}
-
-	err = file.Close()
-	if err != nil {
-		return nil, err
-	}
-
-	// move file to final name using hash of contents
-	id := ID(rd.Hash())
-	err = r.renameFile(file, t, id)
-	if err != nil {
-		return nil, err
-	}
-
-	return id, nil
-}
-
 // Construct directory for given Type.
 func (r *Repository) dir(t Type) string {
 	switch t {
@@ -166,45 +137,6 @@ func (r *Repository) filename(t Type, id ID) string {
 	return path.Join(r.dir(t), id.String())
 }
 
-// PutFile saves a file's content to the repository and returns the ID.
-func (r *Repository) PutFile(path string) (ID, error) {
-	f, err := os.Open(path)
-	defer f.Close()
-	if err != nil {
-		return nil, err
-	}
-
-	return r.Put(TYPE_BLOB, f)
-}
-
-// PutRaw saves a []byte's content to the repository and returns the ID.
-func (r *Repository) PutRaw(t Type, buf []byte) (ID, error) {
-	// save contents to tempfile, hash while writing
-	file, err := r.tempFile()
-	if err != nil {
-		return nil, err
-	}
-
-	wr := NewHashingWriter(file, r.hash)
-	_, err = wr.Write(buf)
-	if err != nil {
-		return nil, err
-	}
-	err = file.Close()
-	if err != nil {
-		return nil, err
-	}
-
-	// move file to final name using hash of contents
-	id := ID(wr.Hash())
-	err = r.renameFile(file, t, id)
-	if err != nil {
-		return nil, err
-	}
-
-	return id, nil
-}
-
 // Test returns true if the given ID exists in the repository.
 func (r *Repository) Test(t Type, id ID) (bool, error) {
 	// try to open file
diff --git a/repository_test.go b/repository_test.go
index aff39d09c..1b5f955a1 100644
--- a/repository_test.go
+++ b/repository_test.go
@@ -6,7 +6,6 @@ import (
 	"io/ioutil"
 	"os"
 	"sort"
-	"strings"
 	"testing"
 
 	"github.com/fd0/khepri"
@@ -76,8 +75,16 @@ func TestRepository(t *testing.T) {
 	// add files
 	for _, test := range TestStrings {
 		// store string in repository
-		id, err := repo.Put(test.t, strings.NewReader(test.data))
+		obj, err := repo.NewObject(test.t)
 		ok(t, err)
+
+		_, err = obj.Write([]byte(test.data))
+		ok(t, err)
+
+		err = obj.Close()
+		ok(t, err)
+
+		id := obj.ID()
 		equals(t, test.id, id.String())
 
 		// try to get it out again
@@ -90,14 +97,6 @@ func TestRepository(t *testing.T) {
 		equals(t, test.data, string(buf))
 	}
 
-	// add buffer
-	for _, test := range TestStrings {
-		// store buf in repository
-		id, err := repo.PutRaw(test.t, []byte(test.data))
-		ok(t, err)
-		equals(t, test.id, id.String())
-	}
-
 	// list ids
 	for _, tpe := range []khepri.Type{khepri.TYPE_BLOB, khepri.TYPE_REF} {
 		IDs := khepri.IDs{}