diff --git a/src/openldap/mod.rs b/src/openldap/mod.rs
index 8c662ee..d86bb7a 100644
--- a/src/openldap/mod.rs
+++ b/src/openldap/mod.rs
@@ -450,7 +450,6 @@ impl Image for OpenLDAP {
     fn copy_to_sources(&self) -> impl IntoIterator<Item = &CopyToContainer> {
         self.copy_to_sources
             .iter()
-            .map(|x| x)
             .collect::<Vec<&CopyToContainer>>()
     }
 }