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diff --git a/src/ipa/ipu3/algorithms/algorithm.cpp b/src/ipa/ipu3/algorithms/algorithm.cpp
deleted file mode 100644
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--- a/src/ipa/ipu3/algorithms/algorithm.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2021, Ideas On Board
- *
- * algorithm.cpp - IPU3 control algorithm interface
- */
-
-#include "algorithm.h"
-
-/**
- * \file algorithm.h
- * \brief Algorithm common interface
- */
-
-namespace libcamera {
-
-namespace ipa::ipu3 {
-
-/**
- * \class Algorithm
- * \brief The base class for all IPU3 algorithms
- *
- * The Algorithm class defines a standard interface for IPA algorithms. By
- * abstracting algorithms, it makes possible the implementation of generic code
- * to manage algorithms regardless of their specific type.
- */
-
-/**
- * \brief Configure the Algorithm given an IPAConfigInfo
- * \param[in] context The shared IPA context
- * \param[in] configInfo The IPA configuration data, received from the pipeline
- * handler
- *
- * Algorithms may implement a configure operation to pre-calculate
- * parameters prior to commencing streaming.
- *
- * Configuration state may be stored in the IPASessionConfiguration structure of
- * the IPAContext.
- *
- * \return 0 if successful, an error code otherwise
- */
-int Algorithm::configure([[maybe_unused]] IPAContext &context,
-			 [[maybe_unused]] const IPAConfigInfo &configInfo)
-{
-	return 0;
-}
-
-/**
- * \brief Fill the \a params buffer with ISP processing parameters for a frame
- * \param[in] context The shared IPA context
- * \param[out] params The IPU3 specific parameters.
- *
- * This function is called for every frame when the camera is running before it
- * is processed by the ImgU to prepare the ImgU processing parameters for that
- * frame.
- *
- * Algorithms shall fill in the parameter structure fields appropriately to
- * configure the ImgU processing blocks that they are responsible for. This
- * includes setting fields and flags that enable those processing blocks.
- */
-void Algorithm::prepare([[maybe_unused]] IPAContext &context,
-			[[maybe_unused]] ipu3_uapi_params *params)
-{
-}
-
-/**
- * \brief Process ISP statistics, and run algorithm operations
- * \param[in] context The shared IPA context
- * \param[in] stats The IPU3 statistics and ISP results
- *
- * This function is called while camera is running for every frame processed by
- * the ImgU, to process statistics generated from that frame by the ImgU.
- * Algorithms shall use this data to run calculations and update their state
- * accordingly.
- *
- * Processing shall not take an undue amount of time, and any extended or
- * computationally expensive calculations or operations must be handled
- * asynchronously in a separate thread.
- *
- * Algorithms can store state in their respective IPAFrameContext structures,
- * and reference state from the IPAFrameContext of other algorithms.
- *
- * \todo Historical data may be required as part of the processing.
- * Either the previous frame, or the IPAFrameContext state of the frame
- * that generated the statistics for this operation may be required for
- * some advanced algorithms to prevent oscillations or support control
- * loops correctly. Only a single IPAFrameContext is available currently,
- * and so any data stored may represent the results of the previously
- * completed operations.
- *
- * Care shall be taken to ensure the ordering of access to the information
- * such that the algorithms use up to date state as required.
- */
-void Algorithm::process([[maybe_unused]] IPAContext &context,
-			[[maybe_unused]] const ipu3_uapi_stats_3a *stats)
-{
-}
-
-} /* namespace ipa::ipu3 */
-
-} /* namespace libcamera */