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diff --git a/src/ipa/libipa/matrix_interpolator.cpp b/src/ipa/libipa/matrix_interpolator.cpp
deleted file mode 100644
index d5188f8a..00000000
--- a/src/ipa/libipa/matrix_interpolator.cpp
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@@ -1,103 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
- *
- * Helper class for interpolating maps of matrices
- */
-#include "matrix_interpolator.h"
-
-#include <libcamera/base/log.h>
-
-/**
- * \file matrix_interpolator.h
- * \brief Helper class for interpolating maps of matrices
- */
-
-namespace libcamera {
-
-LOG_DEFINE_CATEGORY(MatrixInterpolator)
-
-namespace ipa {
-
-/**
- * \class MatrixInterpolator
- * \brief Class for storing, retrieving, and interpolating matrices
- * \tparam T Type of numerical values to be stored in the matrices
- * \tparam R Number of rows in the matrices
- * \tparam C Number of columns in the matrices
- *
- * The main use case is to pass a map from color temperatures to corresponding
- * matrices (eg. color correction), and then requesting a matrix for a specific
- * color temperature. This class will abstract away the interpolation portion.
- */
-
-/**
- * \fn MatrixInterpolator::MatrixInterpolator(const std::map<unsigned int, Matrix<T, R, C>> &matrices)
- * \brief Construct a matrix interpolator from a map of matrices
- * \param matrices Map from which to construct the matrix interpolator
- */
-
-/**
- * \fn MatrixInterpolator::reset()
- * \brief Reset the matrix interpolator content to a single identity matrix
- */
-
-/**
- * \fn int MatrixInterpolator<T, R, C>::readYaml()
- * \brief Initialize an MatrixInterpolator instance from yaml
- * \tparam T Type of data stored in the matrices
- * \tparam R Number of rows of the matrices
- * \tparam C Number of columns of the matrices
- * \param[in] yaml The yaml object that contains the map of unsigned integers to matrices
- * \param[in] key_name The name of the key in the yaml object
- * \param[in] matrix_name The name of the matrix in the yaml object
- *
- * The yaml object is expected to be a list of maps. Each map has two or more
- * pairs: one of \a key_name to the key value (usually color temperature), and
- * one or more of \a matrix_name to the matrix. This is a bit difficult to
- * explain, so here is an example (in python, as it is easier to parse than
- * yaml):
- *       [
- *               {
- *                   'ct': 2860,
- *                   'ccm': [ 2.12089, -0.52461, -0.59629,
- *                           -0.85342,  2.80445, -0.95103,
- *                           -0.26897, -1.14788,  2.41685 ],
- *                   'offsets': [ 0, 0, 0 ]
- *               },
- *
- *               {
- *                   'ct': 2960,
- *                   'ccm': [ 2.26962, -0.54174, -0.72789,
- *                           -0.77008,  2.60271, -0.83262,
- *                           -0.26036, -1.51254,  2.77289 ],
- *                   'offsets': [ 0, 0, 0 ]
- *               },
- *
- *               {
- *                   'ct': 3603,
- *                   'ccm': [ 2.18644, -0.66148, -0.52496,
- *                           -0.77828,  2.69474, -0.91645,
- *                           -0.25239, -0.83059,  2.08298 ],
- *                   'offsets': [ 0, 0, 0 ]
- *               },
- *       ]
- *
- * In this case, \a key_name would be 'ct', and \a matrix_name can be either
- * 'ccm' or 'offsets'. This way multiple matrix interpolators can be defined in
- * one set of color temperature ranges in the tuning file, and they can be
- * retrieved separately with the \a matrix_name parameter.
- *
- * \return Zero on success, negative error code otherwise
- */
-
-/**
- * \fn Matrix<T, R, C> MatrixInterpolator<T, R, C>::get(unsigned int key)
- * \brief Retrieve a matrix from the list of matrices, interpolating if necessary
- * \param[in] key The unsigned integer key of the matrix to retrieve
- * \return The matrix corresponding to the color temperature
- */
-
-} /* namespace ipa */
-
-} /* namespace libcamera */