diff --git a/src/SongFilter.hxx b/src/SongFilter.hxx
index 596de07f5..54c4330fc 100644
--- a/src/SongFilter.hxx
+++ b/src/SongFilter.hxx
@@ -115,9 +115,6 @@ public:
 
 	bool Parse(ConstBuffer<const char *> args, bool fold_case=false);
 
-	gcc_pure
-	bool Match(const Tag &tag) const noexcept;
-
 	gcc_pure
 	bool Match(const DetachedSong &song) const noexcept;