diff --git a/src/plugins/platforms/wayland/qwaylanddatadevice.cpp b/src/plugins/platforms/wayland/qwaylanddatadevice.cpp
index 2a70a338c81..faa04c3db7a 100644
--- a/src/plugins/platforms/wayland/qwaylanddatadevice.cpp
+++ b/src/plugins/platforms/wayland/qwaylanddatadevice.cpp
@@ -108,7 +108,7 @@ void QWaylandDataDevice::cancelDrag()
 
 void QWaylandDataDevice::data_device_data_offer(struct ::wl_data_offer *id)
 {
-    QWaylandDataOffer *offer = new QWaylandDataOffer(m_display, id);
+    new QWaylandDataOffer(m_display, id);
 }
 
 void QWaylandDataDevice::data_device_drop()
diff --git a/src/plugins/platforms/wayland/qwaylanddisplay.cpp b/src/plugins/platforms/wayland/qwaylanddisplay.cpp
index 436f58bb9cb..e6981ed5222 100644
--- a/src/plugins/platforms/wayland/qwaylanddisplay.cpp
+++ b/src/plugins/platforms/wayland/qwaylanddisplay.cpp
@@ -230,7 +230,7 @@ void QWaylandDisplay::registry_global(uint32_t id, const QString &interface, uin
         mTouchExtension = new QWaylandTouchExtension(this, id);
     } else if (interface == QStringLiteral("qt_key_extension")) {
         mQtKeyExtension = new QWaylandQtKeyExtension(this, id);
-    } else if (interface == "wl_text_input_manager") {
+    } else if (interface == QStringLiteral("wl_text_input_manager")) {
         mTextInputManager = new QtWayland::wl_text_input_manager(registry, id);
     }
 
diff --git a/src/plugins/platforms/wayland/qwaylandinputcontext.cpp b/src/plugins/platforms/wayland/qwaylandinputcontext.cpp
index f50581b3ad6..e9fb87179cd 100644
--- a/src/plugins/platforms/wayland/qwaylandinputcontext.cpp
+++ b/src/plugins/platforms/wayland/qwaylandinputcontext.cpp
@@ -126,6 +126,7 @@ void QWaylandTextInput::updateState()
 
 void QWaylandTextInput::text_input_commit_string(uint32_t serial, const QString &text)
 {
+    Q_UNUSED(serial);
     if (!QGuiApplication::focusObject())
         return;
 
@@ -146,6 +147,9 @@ void QWaylandTextInput::text_input_leave()
 
 void QWaylandTextInput::text_input_keysym(uint32_t serial, uint32_t time, uint32_t sym, uint32_t state, uint32_t modifiers)
 {
+    Q_UNUSED(serial);
+    Q_UNUSED(time);
+    Q_UNUSED(modifiers);
     if (!QGuiApplication::focusObject())
         return;
 
@@ -191,6 +195,7 @@ void QWaylandInputContext::commit()
 
 void QWaylandInputContext::update(Qt::InputMethodQueries queries)
 {
+    Q_UNUSED(queries);
     if (!ensureTextInput())
         return;