diff --git a/src/plugins/platforms/wayland/qwaylandinputdevice.cpp b/src/plugins/platforms/wayland/qwaylandinputdevice.cpp
index e2b788171a0..03cb2707330 100644
--- a/src/plugins/platforms/wayland/qwaylandinputdevice.cpp
+++ b/src/plugins/platforms/wayland/qwaylandinputdevice.cpp
@@ -653,7 +653,7 @@ void QWaylandInputDevice::Pointer::pointer_enter(uint32_t serial, struct wl_surf
     connect(mFocus.data(), &QObject::destroyed, this, &Pointer::handleFocusDestroyed);
 
     mSurfacePos = QPointF(wl_fixed_to_double(sx), wl_fixed_to_double(sy));
-    mGlobalPos = window->mapToGlobal(mSurfacePos.toPoint());
+    mGlobalPos = window->mapToGlobalF(mSurfacePos);
 
     mParent->mSerial = serial;
     mEnterSerial = serial;
@@ -718,9 +718,7 @@ void QWaylandInputDevice::Pointer::pointer_motion(uint32_t time, wl_fixed_t surf
     }
 
     QPointF pos(wl_fixed_to_double(surface_x), wl_fixed_to_double(surface_y));
-    QPointF delta = pos - pos.toPoint();
-    QPointF global = window->mapToGlobal(pos.toPoint());
-    global += delta;
+    QPointF global = window->mapToGlobalF(pos);
 
     mSurfacePos = pos;
     mGlobalPos = global;
@@ -731,7 +729,7 @@ void QWaylandInputDevice::Pointer::pointer_motion(uint32_t time, wl_fixed_t surf
         // We can't know the true position since we're getting events for another surface,
         // so we just set it outside of the window boundaries.
         pos = QPointF(-1, -1);
-        global = grab->mapToGlobal(pos.toPoint());
+        global = grab->mapToGlobalF(pos);
         window = grab;
     }
     setFrameEvent(new MotionEvent(window, time, pos, global, mButtons, mParent->modifiers()));
@@ -813,7 +811,7 @@ void QWaylandInputDevice::Pointer::pointer_button(uint32_t serial, uint32_t time
     QPointF global = mGlobalPos;
     if (grab && grab != focusWindow()) {
         pos = QPointF(-1, -1);
-        global = grab->mapToGlobal(pos.toPoint());
+        global = grab->mapToGlobalF(pos);
 
         window = grab;
     }
@@ -1480,11 +1478,8 @@ void QWaylandInputDevice::handleTouchPoint(int id, QEventPoint::State state, con
             return;
 
         tp.area = QRectF(0, 0, 8, 8);
-        QPointF localPosition = win->mapFromWlSurface(surfacePosition);
-        // TODO: This doesn't account for high dpi scaling for the delta, but at least it matches
-        // what we have for mouse input.
-        QPointF delta = localPosition - localPosition.toPoint();
-        QPointF globalPosition = win->mapToGlobal(localPosition.toPoint()) + delta;
+        const QPointF localPosition = win->mapFromWlSurface(surfacePosition);
+        const QPointF globalPosition = win->mapToGlobalF(localPosition);
         tp.area.moveCenter(globalPosition);
     }
 
diff --git a/src/plugins/platforms/wayland/qwaylandtabletv2.cpp b/src/plugins/platforms/wayland/qwaylandtabletv2.cpp
index 6a8c84c44a8..b29319bc9d6 100644
--- a/src/plugins/platforms/wayland/qwaylandtabletv2.cpp
+++ b/src/plugins/platforms/wayland/qwaylandtabletv2.cpp
@@ -547,9 +547,7 @@ void QWaylandTabletToolV2::zwp_tablet_tool_v2_frame(uint32_t time)
         ulong timestamp = time;
         const QPointF localPosition = waylandWindow->mapFromWlSurface(m_pending.surfacePosition);
 
-        QPointF delta = localPosition - localPosition.toPoint();
-        QPointF globalPosition = window->mapToGlobal(localPosition.toPoint());
-        globalPosition += delta;
+        const QPointF globalPosition = waylandWindow->mapToGlobalF(localPosition);
 
         Qt::MouseButtons buttons = m_pending.down ? Qt::MouseButton::LeftButton : Qt::MouseButton::NoButton;
         buttons |= m_pending.buttons;
@@ -564,7 +562,7 @@ void QWaylandTabletToolV2::zwp_tablet_tool_v2_frame(uint32_t time)
         // but we need surface coordinates to include the decoration
         bool decorationHandledEvent = waylandWindow->handleTabletEventDecoration(
                 m_tabletSeat->seat(), m_pending.surfacePosition,
-                window->mapToGlobal(m_pending.surfacePosition) + delta, buttons,
+                window->mapToGlobal(m_pending.surfacePosition), buttons,
                 m_tabletSeat->seat()->modifiers());
 
         if (!decorationHandledEvent) {
diff --git a/src/plugins/platforms/wayland/qwaylandtouch.cpp b/src/plugins/platforms/wayland/qwaylandtouch.cpp
index dfd04d44694..b38c895520a 100644
--- a/src/plugins/platforms/wayland/qwaylandtouch.cpp
+++ b/src/plugins/platforms/wayland/qwaylandtouch.cpp
@@ -83,8 +83,7 @@ void QWaylandTouchExtension::touch_extension_touch(uint32_t time,
     tp.area = QRectF(0, 0, fromFixed(width), fromFixed(height));
     // Got surface-relative coords but need a (virtual) screen position.
     QPointF relPos = QPointF(fromFixed(x), fromFixed(y));
-    QPointF delta = relPos - relPos.toPoint();
-    tp.area.moveCenter(mTargetWindow->mapToGlobal(relPos.toPoint()) + delta);
+    tp.area.moveCenter(mTargetWindow->mapToGlobal(relPos));
 
     tp.normalPosition.setX(fromFixed(normalized_x));
     tp.normalPosition.setY(fromFixed(normalized_y));