diff --git a/src/CardinalUI.cpp b/src/CardinalUI.cpp
index c496568..2b1beb8 100644
--- a/src/CardinalUI.cpp
+++ b/src/CardinalUI.cpp
@@ -36,7 +36,6 @@
 #include "AsyncDialog.hpp"
 #include "PluginContext.hpp"
 #include "WindowParameters.hpp"
-#include "ResizeHandle.hpp"
 
 GLFWAPI int glfwGetKeyScancode(int) { return 0; }
 
diff --git a/src/ResizeHandle.hpp b/src/ResizeHandle.hpp
deleted file mode 100644
index 3b42028..0000000
--- a/src/ResizeHandle.hpp
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Resize handle for DPF
- * Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
- *
- * Permission to use, copy, modify, and/or distribute this software for any purpose with
- * or without fee is hereby granted, provided that the above copyright notice and this
- * permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
- * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
- * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#pragma once
-
-#include "TopLevelWidget.hpp"
-#include "../dgl/Color.hpp"
-
-START_NAMESPACE_DGL
-
-/** Resize handle for DPF windows, will sit on bottom-right. */
-class ResizeHandle : public TopLevelWidget
-{
-public:
-    /** Constructor for placing this handle on top of a window. */
-    explicit ResizeHandle(Window& window)
-        : TopLevelWidget(window),
-          handleSize(16),
-          hasCursor(false),
-          isResizing(false)
-    {
-        resetArea();
-    }
-
-    /** Overloaded constructor, will fetch the window from an existing top-level widget. */
-    explicit ResizeHandle(TopLevelWidget* const tlw)
-        : TopLevelWidget(tlw->getWindow()),
-          handleSize(16),
-          hasCursor(false),
-          isResizing(false)
-    {
-        resetArea();
-    }
-
-    /** Set the handle size, minimum 16. */
-    void setHandleSize(const uint size)
-    {
-        handleSize = std::max(16u, size);
-        resetArea();
-    }
-
-protected:
-    void onDisplay() override
-    {
-        /* Nothing here, we purposefully avoid drawing anything.
-         * The resize handle is on the plugin UI directly. */
-    }
-
-    bool onMouse(const MouseEvent& ev) override
-    {
-        if (ev.button != 1)
-            return false;
-
-        if (ev.press && area.contains(ev.pos))
-        {
-            isResizing = true;
-            resizingSize = Size<double>(getWidth(), getHeight());
-            lastResizePoint = ev.pos;
-            return true;
-        }
-
-        if (isResizing && ! ev.press)
-        {
-            isResizing = false;
-            recheckCursor(ev.pos);
-            return true;
-        }
-
-        return false;
-    }
-
-    bool onMotion(const MotionEvent& ev) override
-    {
-        if (! isResizing)
-        {
-            recheckCursor(ev.pos);
-            return false;
-        }
-
-        const Size<double> offset(ev.pos.getX() - lastResizePoint.getX(),
-                                  ev.pos.getY() - lastResizePoint.getY());
-
-        resizingSize += offset;
-        lastResizePoint = ev.pos;
-
-        const double scaleFactor = getScaleFactor();
-        const uint minWidth = 648 * scaleFactor;
-        const uint minHeight = 538 * scaleFactor;
-
-        if (resizingSize.getWidth() < minWidth)
-            resizingSize.setWidth(minWidth);
-        else if (resizingSize.getWidth() > 16384)
-            resizingSize.setWidth(16384);
-
-        if (resizingSize.getHeight() < minHeight)
-            resizingSize.setHeight(minHeight);
-        else if (resizingSize.getHeight() > 16384)
-            resizingSize.setHeight(16384);
-
-        setSize(resizingSize.getWidth(), resizingSize.getHeight());
-        return true;
-    }
-
-    void onResize(const ResizeEvent& ev) override
-    {
-        TopLevelWidget::onResize(ev);
-        resetArea();
-    }
-
-private:
-    Rectangle<uint> area;
-    uint handleSize;
-
-    // event handling state
-    bool hasCursor, isResizing;
-    Point<double> lastResizePoint;
-    Size<double> resizingSize;
-
-    void recheckCursor(const Point<double>& pos)
-    {
-        const bool shouldHaveCursor = area.contains(pos);
-
-        if (shouldHaveCursor == hasCursor)
-            return;
-
-        hasCursor = shouldHaveCursor;
-        setCursor(shouldHaveCursor ? kMouseCursorDiagonal : kMouseCursorArrow);
-    }
-
-    void resetArea()
-    {
-        const double scaleFactor = getScaleFactor();
-        const uint size = handleSize * scaleFactor;
-
-        area = Rectangle<uint>(getWidth() - size,
-                               getHeight() - size,
-                               size, size);
-    }
-
-    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ResizeHandle)
-};
-
-END_NAMESPACE_DGL