diff --git a/src/archive.rs b/src/archive.rs
index b0eb3864d80..a099e8b3a6a 100644
--- a/src/archive.rs
+++ b/src/archive.rs
@@ -105,8 +105,6 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> {
         Ok(())
     }
 
-    fn update_symbols(&mut self) {}
-
     fn build(mut self) {
         enum BuilderKind {
             Bsd(ar::Builder<File>),