From 4f72f4921602b4bbd429424fb9dbafd757082dd8 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Tue, 12 Mar 2019 12:24:24 +0100
Subject: [PATCH] filter/normalize: clean up forward declarations

---
 src/filter/plugins/NormalizeFilterPlugin.hxx | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/filter/plugins/NormalizeFilterPlugin.hxx b/src/filter/plugins/NormalizeFilterPlugin.hxx
index fb75e47e7..1e3e1f0de 100644
--- a/src/filter/plugins/NormalizeFilterPlugin.hxx
+++ b/src/filter/plugins/NormalizeFilterPlugin.hxx
@@ -23,8 +23,6 @@
 #include <memory>
 
 class PreparedFilter;
-class Filter;
-struct AudioFormat;
 
 std::unique_ptr<PreparedFilter>
 normalize_filter_prepare() noexcept;