diff --git a/content/backup.go b/content/backup.go
deleted file mode 100644
index 20263c3da..000000000
--- a/content/backup.go
+++ /dev/null
@@ -1,32 +0,0 @@
-package content
-
-import "time"
-
-// BackupMetadata contains metadata information about a backup.
-type BackupMetadata struct {
-	// HostName is the name of the host where the backup was taken.
-	HostName string `json:"hostname"`
-
-	// Description is an optional user-provided description of the backup.
-	Description string `json:"description"`
-
-	// Directory is the directory path.
-	Directory string `json:"directory"`
-
-	// User is the name of the user who started the backup.
-	User string `json:"user"`
-}
-
-// BackupManifest contains backup manifest.
-type BackupManifest struct {
-	BackupMetadata
-
-	// StartTime is the time when the backup was started.
-	StartTime time.Time `json:"startTime"`
-
-	// EndTime is the time when the backup has finished.
-	EndTime time.Time `json:"endTime"`
-
-	// RootObjectID is the ObjectID of the root directory.
-	RootObjectID string `json:"rootObject"`
-}
diff --git a/content/doc.go b/content/doc.go
deleted file mode 100644
index cee6c9d9b..000000000
--- a/content/doc.go
+++ /dev/null
@@ -1,4 +0,0 @@
-/*
-Package content describes contents of backups.
-*/
-package content