diff --git a/crunchy-cli-core/src/archive/filter.rs b/crunchy-cli-core/src/archive/filter.rs
index d135800..e44ebab 100644
--- a/crunchy-cli-core/src/archive/filter.rs
+++ b/crunchy-cli-core/src/archive/filter.rs
@@ -269,8 +269,6 @@ impl Filter for ArchiveFilter {
 
         let mut single_format_collection = SingleFormatCollection::new();
 
-        struct SortKey(u32, String);
-
         let mut sorted: BTreeMap<(u32, String), Self::T> = BTreeMap::new();
         for data in flatten_input {
             sorted