diff --git a/.cmake.conf b/.cmake.conf
index 46674ed38..f1140ab05 100644
--- a/.cmake.conf
+++ b/.cmake.conf
@@ -2,3 +2,5 @@ set(QT_REPO_MODULE_VERSION "6.11.0")
 set(QT_REPO_MODULE_PRERELEASE_VERSION_SEGMENT "alpha1")
 set(QT_EXTRA_INTERNAL_TARGET_DEFINES "QT_NO_AS_CONST=1")
 list(APPEND QT_EXTRA_INTERNAL_TARGET_DEFINES "QT_NO_FOREACH=1")
+
+set(QT_REPO_EXAMPLES_WARNINGS_CLEAN TRUE)
diff --git a/examples/demos/lightningviewer/LightningViewer/lightningitemmodel.cpp b/examples/demos/lightningviewer/LightningViewer/lightningitemmodel.cpp
index 0c3c77ca4..fae3e283e 100644
--- a/examples/demos/lightningviewer/LightningViewer/lightningitemmodel.cpp
+++ b/examples/demos/lightningviewer/LightningViewer/lightningitemmodel.cpp
@@ -93,6 +93,7 @@ void LightningItemModel::getLatestStrikeInfo(const QGeoCoordinate &searchCenter,
 
 int LightningItemModel::rowCount(const QModelIndex &parent) const
 {
+    Q_UNUSED(parent);
     return m_data.size();
 }
 
diff --git a/examples/demos/osmbuildings/geometry.cpp b/examples/demos/osmbuildings/geometry.cpp
index aa80ac2e3..f37d5cb88 100644
--- a/examples/demos/osmbuildings/geometry.cpp
+++ b/examples/demos/osmbuildings/geometry.cpp
@@ -7,7 +7,12 @@
 #include <QGeoPolygon>
 #include <QRandomGenerator>
 #include <QThreadPool>
+
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_CLANG("-Wunused-but-set-variable")
+QT_WARNING_DISABLE_GCC("-Wunused-but-set-variable")
 #include "3rdparty/mapbox/earcut.h"
+QT_WARNING_POP
 
 using namespace Qt::StringLiterals;