diff --git a/Code/Editor/ResizeResolutionDialog.cpp b/Code/Editor/ResizeResolutionDialog.cpp
deleted file mode 100644
index f2a03fb1b2..0000000000
--- a/Code/Editor/ResizeResolutionDialog.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright (c) Contributors to the Open 3D Engine Project.
- * For complete copyright and license terms please see the LICENSE at the root of this distribution.
- *
- * SPDX-License-Identifier: Apache-2.0 OR MIT
- *
- */
-
-
-#include "EditorDefs.h"
-
-#include "ResizeResolutionDialog.h"
-
-AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
-#include <ui_ResizeResolutionDialog.h>
-AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
-
-class ResizeResolutionModel
-    : public QAbstractListModel
-{
-public:
-    ResizeResolutionModel(QObject* parent = nullptr);
-
-    int rowCount(const QModelIndex& parent = {}) const override;
-    int columnCount(const QModelIndex& parent = {}) const override;
-    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
-
-    int SizeRow(uint32 dwSize) const;
-
-private:
-    static const int kNumSizes = 6;
-};
-
-ResizeResolutionModel::ResizeResolutionModel(QObject* parent)
-    : QAbstractListModel(parent)
-{
-}
-
-int ResizeResolutionModel::rowCount(const QModelIndex& parent) const
-{
-    return parent.isValid() ? 0 : kNumSizes;
-}
-
-int ResizeResolutionModel::columnCount(const QModelIndex& parent) const
-{
-    return parent.isValid() ? 0 : 1;
-}
-
-QVariant ResizeResolutionModel::data(const QModelIndex& index, int role) const
-{
-    if (!index.isValid() || index.column() > 0 || index.row() >= kNumSizes)
-    {
-        return {};
-    }
-
-    const int size = 64 * (1 << index.row());
-
-    switch (role)
-    {
-    case Qt::DisplayRole:
-        return QStringLiteral("%1x%2").arg(size).arg(size);
-
-    case Qt::UserRole:
-        return size;
-    }
-
-    return {};
-}
-
-int ResizeResolutionModel::SizeRow(uint32 dwSize) const
-{
-    // not a power of 2?
-    if (dwSize & (dwSize - 1))
-    {
-        return 0;
-    }
-
-    int row = 0;
-
-    for (auto i = dwSize / 64; i > 1; i >>= 1)
-    {
-        ++row;
-    }
-
-    return row;
-}
-
-/////////////////////////////////////////////////////////////////////////////
-// CResizeResolutionDialog dialog
-
-
-CResizeResolutionDialog::CResizeResolutionDialog(QWidget* pParent /*=nullptr*/)
-    : QDialog(pParent)
-    , m_model(new ResizeResolutionModel(this))
-    , ui(new Ui::CResizeResolutionDialog)
-{
-    ui->setupUi(this);
-
-    ui->m_resolution->setModel(m_model);
-
-    connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
-    connect(ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
-}
-
-CResizeResolutionDialog::~CResizeResolutionDialog()
-{
-}
-
-/////////////////////////////////////////////////////////////////////////////
-void CResizeResolutionDialog::SetSize(uint32 dwSize)
-{
-    ui->m_resolution->setCurrentIndex(m_model->SizeRow(dwSize));
-}
-
-/////////////////////////////////////////////////////////////////////////////
-uint32 CResizeResolutionDialog::GetSize()
-{
-    return ui->m_resolution->itemData(ui->m_resolution->currentIndex()).toInt();
-}
diff --git a/Code/Editor/ResizeResolutionDialog.h b/Code/Editor/ResizeResolutionDialog.h
deleted file mode 100644
index 123075688f..0000000000
--- a/Code/Editor/ResizeResolutionDialog.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (c) Contributors to the Open 3D Engine Project.
- * For complete copyright and license terms please see the LICENSE at the root of this distribution.
- *
- * SPDX-License-Identifier: Apache-2.0 OR MIT
- *
- */
-
-
-#ifndef CRYINCLUDE_EDITOR_RESIZERESOLUTIONDIALOG_H
-#define CRYINCLUDE_EDITOR_RESIZERESOLUTIONDIALOG_H
-
-#pragma once
-// ResizeResolutionDialog.h : header file
-//
-
-#if !defined(Q_MOC_RUN)
-#include <QDialog>
-#endif
-
-namespace Ui {
-    class CResizeResolutionDialog;
-}
-
-class ResizeResolutionModel;
-
-/////////////////////////////////////////////////////////////////////////////
-// CResizeResolutionDialog dialog
-
-class CResizeResolutionDialog
-    : public QDialog
-{
-    // Construction
-public:
-    CResizeResolutionDialog(QWidget* pParent = nullptr);   // standard constructor
-    ~CResizeResolutionDialog();
-
-    void SetSize(uint32 dwSize);
-    uint32 GetSize();
-
-private:
-    ResizeResolutionModel* m_model;
-    QScopedPointer<Ui::CResizeResolutionDialog> ui;
-};
-
-#endif // CRYINCLUDE_EDITOR_RESIZERESOLUTIONDIALOG_H
diff --git a/Code/Editor/ResizeResolutionDialog.ui b/Code/Editor/ResizeResolutionDialog.ui
deleted file mode 100644
index c958e6acaf..0000000000
--- a/Code/Editor/ResizeResolutionDialog.ui
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>CResizeResolutionDialog</class>
- <widget class="QDialog" name="CResizeResolutionDialog">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>250</width>
-    <height>96</height>
-   </rect>
-  </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout">
-     <item>
-      <widget class="QLabel" name="label">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="text">
-        <string>Select resolution:</string>
-       </property>
-       <property name="alignment">
-        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QComboBox" name="m_resolution"/>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <widget class="QLabel" name="label_2">
-     <property name="frameShape">
-      <enum>QFrame::HLine</enum>
-     </property>
-     <property name="frameShadow">
-      <enum>QFrame::Sunken</enum>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-     </property>
-    </widget>
-   </item>
-  </layout>
- </widget>
- <resources/>
- <connections/>
-</ui>
diff --git a/Code/Editor/editor_lib_files.cmake b/Code/Editor/editor_lib_files.cmake
index 698fa65e9c..36a45905bd 100644
--- a/Code/Editor/editor_lib_files.cmake
+++ b/Code/Editor/editor_lib_files.cmake
@@ -392,9 +392,6 @@ set(FILES
     QuickAccessBar.cpp
     QuickAccessBar.h
     QuickAccessBar.ui
-    ResizeResolutionDialog.cpp
-    ResizeResolutionDialog.h
-    ResizeResolutionDialog.ui
     SelectLightAnimationDialog.cpp
     SelectLightAnimationDialog.h
     SelectSequenceDialog.cpp