diff --git a/api/backup_endpoints.go b/api/backup_endpoints.go
index 1809c19..982dad8 100644
--- a/api/backup_endpoints.go
+++ b/api/backup_endpoints.go
@@ -2,16 +2,10 @@ package api
 
 import (
 	"fmt"
-	"github.com/patrickmn/go-cache"
 	"strconv"
-	"time"
 )
 
-// backupUploadIDs stores a cache of active S3 backups.
-var backupUploadIDs = cache.New(time.Hour*3, time.Minute*5)
-
 type BackupRemoteUploadResponse struct {
-	UploadID string   `json:"upload_id"`
 	Parts    []string `json:"parts"`
 	PartSize int64    `json:"part_size"`
 }
@@ -32,16 +26,10 @@ func (r *Request) GetBackupRemoteUploadURLs(backup string, size int64) (*BackupR
 		return nil, err
 	}
 
-	// Store the backup upload id for later use, this is a janky way to be able to use it later with SendBackupStatus.
-	// Yes, the timeout of 3 hours is intentional, if this value is removed before the backup completes,
-	// the backup will fail even if it uploaded properly.
-	backupUploadIDs.Set(backup, res.UploadID, 0)
-
 	return &res, nil
 }
 
 type BackupRequest struct {
-	UploadID     string `json:"upload_id"`
 	Checksum     string `json:"checksum"`
 	ChecksumType string `json:"checksum_type"`
 	Size         int64  `json:"size"`
@@ -51,11 +39,6 @@ type BackupRequest struct {
 // Notifies the panel that a specific backup has been completed and is now
 // available for a user to view and download.
 func (r *Request) SendBackupStatus(backup string, data BackupRequest) error {
-	// Set the UploadID on the data.
-	if v, ok := backupUploadIDs.Get(backup); ok {
-		data.UploadID = v.(string)
-	}
-
 	resp, err := r.Post(fmt.Sprintf("/backups/%s", backup), data)
 	if err != nil {
 		return err