1 files changed, 0 insertions, 61 deletions
diff --git a/src/audio_core/algorithm/filter.h b/src/audio_core/algorithm/filter.h
deleted file mode 100644
index 2586f0079..000000000
--- a/src/audio_core/algorithm/filter.h
+++ /dev/null
@@ -1,61 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <array>
-#include <vector>
-#include "common/common_types.h"
-
-namespace AudioCore {
-
-/// Digital biquad filter:
-///
-///          b0 + b1 z^-1 + b2 z^-2
-///  H(z) = ------------------------
-///          a0 + a1 z^-1 + b2 z^-2
-class Filter {
-public:
-    /// Creates a low-pass filter.
-    /// @param cutoff Determines the cutoff frequency. A value from 0.0 to 1.0.
-    /// @param Q Determines the quality factor of this filter.
-    static Filter LowPass(double cutoff, double Q = 0.7071);
-
-    /// Passthrough filter.
-    Filter();
-
-    Filter(double a0_, double a1_, double a2_, double b0_, double b1_, double b2_);
-
-    void Process(std::vector<s16>& signal);
-
-private:
-    static constexpr std::size_t channel_count = 2;
-
-    /// Coefficients are in normalized form (a0 = 1.0).
-    double a1, a2, b0, b1, b2;
-    /// Input History
-    std::array<std::array<double, channel_count>, 3> in;
-    /// Output History
-    std::array<std::array<double, channel_count>, 3> out;
-};
-
-/// Cascade filters to build up higher-order filters from lower-order ones.
-class CascadingFilter {
-public:
-    /// Creates a cascading low-pass filter.
-    /// @param cutoff Determines the cutoff frequency. A value from 0.0 to 1.0.
-    /// @param cascade_size Number of biquads in cascade.
-    static CascadingFilter LowPass(double cutoff, std::size_t cascade_size);
-
-    /// Passthrough.
-    CascadingFilter();
-
-    explicit CascadingFilter(std::vector<Filter> filters_);
-
-    void Process(std::vector<s16>& signal);
-
-private:
-    std::vector<Filter> filters;
-};
-
-} // namespace AudioCore