diff --git a/backend/db/avatars.go b/backend/db/avatars.go
index f28059e..a3ca1ca 100644
--- a/backend/db/avatars.go
+++ b/backend/db/avatars.go
@@ -21,11 +21,6 @@ import (
 	"github.com/chai2010/webp"
 )
 
-var (
-	webpArgs = []string{"-thumbnail", "512x512^", "-gravity", "center", "-background", "none", "-extent", "512x512", "-quality", "90", "webp:-"}
-	jpgArgs  = []string{"-thumbnail", "512x512^", "-gravity", "center", "-extent", "512x512", "-quality", "80", "jpg:-"}
-)
-
 const ErrInvalidDataURI = errors.Sentinel("invalid data URI")
 const ErrInvalidContentType = errors.Sentinel("invalid avatar content type")