diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 676595b22c..7ecd662b92 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -43,7 +43,6 @@ target_sources(kwin PRIVATE
     compositor.cpp
     compositor_wayland.cpp
     core/brightnessdevice.cpp
-    core/colorlut.cpp
     core/colorlut3d.cpp
     core/colorpipeline.cpp
     core/colorpipelinestage.cpp
@@ -547,7 +546,6 @@ install(FILES
     DESTINATION ${KDE_INSTALL_INCLUDEDIR}/kwin COMPONENT Devel)
 
 install(FILES
-    core/colorlut.h
     core/colorlut3d.h
     core/colorpipeline.h
     core/colorpipelinestage.h
diff --git a/src/backends/drm/drm_pipeline.h b/src/backends/drm/drm_pipeline.h
index 2e734c2f92..1b77692ed0 100644
--- a/src/backends/drm/drm_pipeline.h
+++ b/src/backends/drm/drm_pipeline.h
@@ -16,7 +16,6 @@
 #include <chrono>
 #include <xf86drmMode.h>
 
-#include "core/colorlut.h"
 #include "core/colorpipeline.h"
 #include "core/colorspace.h"
 #include "core/output.h"
diff --git a/src/backends/x11/standalone/x11_standalone_output.cpp b/src/backends/x11/standalone/x11_standalone_output.cpp
index 60e1a480cb..ef1150c21c 100644
--- a/src/backends/x11/standalone/x11_standalone_output.cpp
+++ b/src/backends/x11/standalone/x11_standalone_output.cpp
@@ -7,7 +7,6 @@
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "x11_standalone_output.h"
-#include "core/colorlut.h"
 #include "core/colorpipeline.h"
 #include "core/colortransformation.h"
 #include "main.h"
diff --git a/src/core/colorlut.cpp b/src/core/colorlut.cpp
deleted file mode 100644
index 5516d782c3..0000000000
--- a/src/core/colorlut.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
-    KWin - the KDE window manager
-    This file is part of the KDE project.
-
-    SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
-
-    SPDX-License-Identifier: GPL-2.0-or-later
-*/
-#include "colorlut.h"
-
-#include "colortransformation.h"
-
-namespace KWin
-{
-
-ColorLUT::ColorLUT(const std::shared_ptr<ColorTransformation> &transformation, size_t size)
-    : m_transformation(transformation)
-{
-    m_data.fill(0, 3 * size);
-    for (uint64_t i = 0; i < size; i++) {
-        const uint16_t index = (i * 0xFFFF) / size;
-        std::tie(m_data[i], m_data[size + i], m_data[size * 2 + i]) = transformation->transform(index, index, index);
-    }
-}
-
-uint16_t *ColorLUT::red() const
-{
-    return const_cast<uint16_t *>(m_data.constData());
-}
-
-uint16_t *ColorLUT::green() const
-{
-    return const_cast<uint16_t *>(m_data.constData() + size());
-}
-
-uint16_t *ColorLUT::blue() const
-{
-    return const_cast<uint16_t *>(m_data.constData() + 2 * size());
-}
-
-size_t ColorLUT::size() const
-{
-    return m_data.size() / 3;
-}
-
-std::shared_ptr<ColorTransformation> ColorLUT::transformation() const
-{
-    return m_transformation;
-}
-
-}
diff --git a/src/core/colorlut.h b/src/core/colorlut.h
deleted file mode 100644
index 8ff50fd694..0000000000
--- a/src/core/colorlut.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-    KWin - the KDE window manager
-    This file is part of the KDE project.
-
-    SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
-
-    SPDX-License-Identifier: GPL-2.0-or-later
-*/
-#pragma once
-
-#include <QList>
-#include <memory>
-
-#include "kwin_export.h"
-
-namespace KWin
-{
-
-class ColorTransformation;
-
-class KWIN_EXPORT ColorLUT
-{
-public:
-    ColorLUT(const std::shared_ptr<ColorTransformation> &transformation, size_t size);
-
-    uint16_t *red() const;
-    uint16_t *green() const;
-    uint16_t *blue() const;
-    size_t size() const;
-    std::shared_ptr<ColorTransformation> transformation() const;
-
-private:
-    QList<uint16_t> m_data;
-    const std::shared_ptr<ColorTransformation> m_transformation;
-};
-
-}
diff --git a/src/core/iccprofile.cpp b/src/core/iccprofile.cpp
index d2c53cd84a..92993f063e 100644
--- a/src/core/iccprofile.cpp
+++ b/src/core/iccprofile.cpp
@@ -4,7 +4,6 @@
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "iccprofile.h"
-#include "colorlut.h"
 #include "colorlut3d.h"
 #include "colorpipelinestage.h"
 #include "colortransformation.h"