diff --git a/debian/package.go b/debian/package.go
index b9bc1c4a..5d7b68a8 100644
--- a/debian/package.go
+++ b/debian/package.go
@@ -247,7 +247,7 @@ func (p *Package) LinkFromPool(packageRepo *Repository, prefix string, component
 	return nil
 }
 
-// PoolDirectory returns directory in package pool for this package files
+// PoolDirectory returns directory in package pool of published repository for this package files
 func (p *Package) PoolDirectory() (string, error) {
 	source := p.Source
 	if source == "" {
@@ -314,6 +314,21 @@ func (p *Package) VerifyFiles(packageRepo *Repository) (result bool, err error)
 	return
 }
 
+// FilepathsList returns list of paths to files in package repository
+func (p *Package) FilepathList(packageRepo *Repository) ([]string, error) {
+	var err error
+	result := make([]string, len(p.Files))
+
+	for i, f := range p.Files {
+		result[i], err = packageRepo.RelativePoolPath(f.Filename, f.Checksums.MD5)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return result, nil
+}
+
 // PackageCollection does management of packages in DB
 type PackageCollection struct {
 	db database.Storage
@@ -350,3 +365,8 @@ func (collection *PackageCollection) Update(p *Package) error {
 func (collection *PackageCollection) AllPackageRefs() *PackageRefList {
 	return &PackageRefList{Refs: collection.db.KeysByPrefix([]byte("P"))}
 }
+
+// DeleteByKey deletes package in DB by key
+func (collection *PackageCollection) DeleteByKey(key []byte) error {
+	return collection.db.Delete(key)
+}
diff --git a/debian/package_test.go b/debian/package_test.go
index 7bd14911..d111af70 100644
--- a/debian/package_test.go
+++ b/debian/package_test.go
@@ -182,6 +182,15 @@ func (s *PackageSuite) TestLinkFromPool(c *C) {
 	c.Check(p.Files[0].Filename, Equals, "pool/non-free/a/alien-arena/alien-arena-common_7.40-2_i386.deb")
 }
 
+func (s *PackageSuite) TestFilepathList(c *C) {
+	packageRepo := NewRepository(c.MkDir())
+	p := NewPackageFromControlFile(s.stanza)
+
+	list, err := p.FilepathList(packageRepo)
+	c.Check(err, IsNil)
+	c.Check(list, DeepEquals, []string{"1e/8c/alien-arena-common_7.40-2_i386.deb"})
+}
+
 func (s *PackageSuite) TestDownloadList(c *C) {
 	packageRepo := NewRepository(c.MkDir())
 	p := NewPackageFromControlFile(s.stanza)
@@ -247,3 +256,14 @@ func (s *PackageCollectionSuite) TestAllPackageRefs(c *C) {
 	c.Check(refs.Len(), Equals, 1)
 	c.Check(refs.Refs[0], DeepEquals, s.p.Key())
 }
+
+func (s *PackageCollectionSuite) TestDeleteByKey(c *C) {
+	err := s.collection.Update(s.p)
+	c.Assert(err, IsNil)
+
+	err = s.collection.DeleteByKey(s.p.Key())
+	c.Check(err, IsNil)
+
+	_, err = s.collection.ByKey(s.p.Key())
+	c.Check(err, ErrorMatches, "key not found")
+}