diff --git a/src/platform/qt/AssetTile.cpp b/src/platform/qt/AssetTile.cpp
index cda468757..437ece086 100644
--- a/src/platform/qt/AssetTile.cpp
+++ b/src/platform/qt/AssetTile.cpp
@@ -130,8 +130,6 @@ void AssetTile::setFlip(bool h, bool v) {
 void AssetTile::selectColor(int index) {
 	const color_t* data;
 	mTileCache* tileCache = m_tileCaches[m_index >= m_boundary];
-	unsigned bpp = 8 << tileCache->bpp;
-	int paletteId = m_paletteId;
 	data = mTileCacheGetTile(tileCache, m_index >= m_boundary ? m_index - m_boundary : m_index, m_paletteId);
 	color_t color = data[index];
 	m_ui.color->setColor(0, color);
diff --git a/src/platform/qt/AssetView.cpp b/src/platform/qt/AssetView.cpp
index 20dbd1641..04e9ad7c6 100644
--- a/src/platform/qt/AssetView.cpp
+++ b/src/platform/qt/AssetView.cpp
@@ -144,8 +144,8 @@ QImage AssetView::compositeObj(const ObjInfo& objInfo) {
 	image.setColorTable(palette);
 	uchar* bits = image.bits();
 	unsigned t = objInfo.tile;
-	for (int y = 0; y < objInfo.height; ++y) {
-		for (int x = 0; x < objInfo.width; ++x, ++t) {
+	for (unsigned y = 0; y < objInfo.height; ++y) {
+		for (unsigned x = 0; x < objInfo.width; ++x, ++t) {
 			compositeTile(static_cast<const void*>(mTileCacheGetVRAM(tileCache, t)), bits, objInfo.width * 8, x * 8, y * 8, objInfo.bits);
 		}
 		t += objInfo.stride - objInfo.width;
@@ -183,7 +183,6 @@ bool AssetView::lookupObjGBA(int id, struct ObjInfo* info) {
 	unsigned height = GBAVideoObjSizes[shape * 4 + size][1];
 	unsigned tile = GBAObjAttributesCGetTile(obj->c);
 	unsigned palette = GBAObjAttributesCGetPalette(obj->c);
-	unsigned tileBase = tile;
 	unsigned paletteSet;
 	unsigned bits;
 	if (GBAObjAttributesAIs256Color(obj->a)) {
@@ -237,7 +236,6 @@ bool AssetView::lookupObjGB(int id, struct ObjInfo* info) {
 	const GB* gb = static_cast<const GB*>(m_controller->thread()->core->board);
 	const GBObj* obj = &gb->video.oam.obj[id];
 
-	unsigned width = 8;
 	unsigned height = 8;
 	GBRegisterLCDC lcdc = gb->memory.io[REG_LCDC];
 	if (GBRegisterLCDCIsObjSize(lcdc)) {
diff --git a/src/platform/qt/CheatsModel.cpp b/src/platform/qt/CheatsModel.cpp
index 77e608ec8..a04b30b1f 100644
--- a/src/platform/qt/CheatsModel.cpp
+++ b/src/platform/qt/CheatsModel.cpp
@@ -42,11 +42,10 @@ QVariant CheatsModel::data(const QModelIndex& index, int role) const {
 		}
 	}
 
-	if (index.row() >= mCheatSetsSize(&m_device->cheats)) {
+	if ((size_t) index.row() >= mCheatSetsSize(&m_device->cheats)) {
 		return QVariant();
 	}
 
-	int row = index.row();
 	const mCheatSet* cheats = *mCheatSetsGetPointer(&m_device->cheats, index.row());
 	switch (role) {
 	case Qt::DisplayRole:
@@ -60,11 +59,10 @@ QVariant CheatsModel::data(const QModelIndex& index, int role) const {
 }
 
 bool CheatsModel::setData(const QModelIndex& index, const QVariant& value, int role) {
-	if (!index.isValid() || index.parent().isValid() || index.row() > mCheatSetsSize(&m_device->cheats)) {
+	if (!index.isValid() || index.parent().isValid() || (size_t) index.row() > mCheatSetsSize(&m_device->cheats)) {
 		return false;
 	}
 
-	int row = index.row();
 	mCheatSet* cheats = *mCheatSetsGetPointer(&m_device->cheats, index.row());
 	switch (role) {
 	case Qt::DisplayRole:
@@ -119,7 +117,7 @@ Qt::ItemFlags CheatsModel::flags(const QModelIndex& index) const {
 	return Qt::ItemIsUserCheckable | Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
 
-int CheatsModel::columnCount(const QModelIndex& parent) const {
+int CheatsModel::columnCount(const QModelIndex&) const {
 	return 1;
 }
 
@@ -141,14 +139,14 @@ mCheatSet* CheatsModel::itemAt(const QModelIndex& index) {
 	if (index.parent().isValid()) {
 		return static_cast<mCheatSet*>(index.internalPointer());
 	}
-	if (index.row() >= mCheatSetsSize(&m_device->cheats)) {
+	if ((size_t) index.row() >= mCheatSetsSize(&m_device->cheats)) {
 		return nullptr;
 	}
 	return *mCheatSetsGetPointer(&m_device->cheats, index.row());
 }
 
 void CheatsModel::removeAt(const QModelIndex& index) {
-	if (!index.isValid() || index.parent().isValid() || index.row() >= mCheatSetsSize(&m_device->cheats)) {
+	if (!index.isValid() || index.parent().isValid() || (size_t) index.row() >= mCheatSetsSize(&m_device->cheats)) {
 		return;
 	}
 	int row = index.row();
diff --git a/src/platform/qt/ColorPicker.cpp b/src/platform/qt/ColorPicker.cpp
index 818a25fd4..22328b54a 100644
--- a/src/platform/qt/ColorPicker.cpp
+++ b/src/platform/qt/ColorPicker.cpp
@@ -46,7 +46,6 @@ bool ColorPicker::eventFilter(QObject* obj, QEvent* event) {
 	if (event->type() != QEvent::MouseButtonRelease) {
 		return false;
 	}
-	int colorId;
 	if (obj != m_parent) {
 		return false;
 	}
diff --git a/src/platform/qt/Display.h b/src/platform/qt/Display.h
index e739358c1..5e2d26f6d 100644
--- a/src/platform/qt/Display.h
+++ b/src/platform/qt/Display.h
@@ -51,7 +51,7 @@ public:
 	virtual bool supportsShaders() const = 0;
 	virtual VideoShader* shaders() = 0;
 	virtual int framebufferHandle() { return -1; }
-	virtual void setVideoScale(int scale) {}
+	virtual void setVideoScale(int) {}
 
 	virtual void setVideoProxy(std::shared_ptr<VideoProxy> proxy) { m_videoProxy = proxy; }
 	std::shared_ptr<VideoProxy> videoProxy() { return m_videoProxy; }
diff --git a/src/platform/qt/DisplayQt.cpp b/src/platform/qt/DisplayQt.cpp
index 764bf88ca..c46ee18e6 100644
--- a/src/platform/qt/DisplayQt.cpp
+++ b/src/platform/qt/DisplayQt.cpp
@@ -96,6 +96,7 @@ void DisplayQt::paintEvent(QPaintEvent*) {
 	if (isFiltered()) {
 		painter.setRenderHint(QPainter::SmoothPixmapTransform);
 	}
+	// TODO: Refactor this code out (since it's copied in like 3 places)
 	QSize s = size();
 	QSize ds = s;
 	if (isAspectRatioLocked()) {
diff --git a/src/platform/qt/DisplayQt.h b/src/platform/qt/DisplayQt.h
index 5795ccb45..e8623468f 100644
--- a/src/platform/qt/DisplayQt.h
+++ b/src/platform/qt/DisplayQt.h
@@ -42,8 +42,8 @@ protected:
 
 private:
 	bool m_isDrawing = false;
-	unsigned m_width;
-	unsigned m_height;
+	int m_width;
+	int m_height;
 	QImage m_backing{nullptr};
 	QImage m_oldBacking{nullptr};
 	std::shared_ptr<CoreController> m_context = nullptr;
diff --git a/src/platform/qt/ShortcutController.h b/src/platform/qt/ShortcutController.h
index 3a82f034d..eb24cdc96 100644
--- a/src/platform/qt/ShortcutController.h
+++ b/src/platform/qt/ShortcutController.h
@@ -30,7 +30,7 @@ public:
 
 	Action* action() { return m_action; }
 	const Action* action() const { return m_action; }
-	const int shortcut() const { return m_shortcut; }
+	int shortcut() const { return m_shortcut; }
 	QString visibleName() const { return m_action ? m_action->visibleName() : QString(); }
 	QString name() const { return m_action ? m_action->name() : QString(); }
 	int button() const { return m_button; }
diff --git a/src/platform/qt/ShortcutModel.cpp b/src/platform/qt/ShortcutModel.cpp
index 331fa6c37..54fa83fcf 100644
--- a/src/platform/qt/ShortcutModel.cpp
+++ b/src/platform/qt/ShortcutModel.cpp
@@ -27,7 +27,6 @@ QVariant ShortcutModel::data(const QModelIndex& index, int role) const {
 	if (role != Qt::DisplayRole || !index.isValid()) {
 		return QVariant();
 	}
-	int row = index.row();
 	const Item* item = static_cast<Item*>(index.internalPointer());
 	const Shortcut* shortcut = item->shortcut;
 	switch (index.column()) {
@@ -101,7 +100,7 @@ QModelIndex ShortcutModel::parent(const QModelIndex& index) const {
 	return createIndex(m_controller->indexIn(parent), 0, pitem);
 }
 
-int ShortcutModel::columnCount(const QModelIndex& index) const {
+int ShortcutModel::columnCount(const QModelIndex&) const {
 	return 3;
 }
 
@@ -131,7 +130,7 @@ void ShortcutModel::addRowNamed(const QString& name) {
 	endInsertRows();
 }
 
-void ShortcutModel::clearMenu(const QString& name) {
+void ShortcutModel::clearMenu(const QString&) {
 	// TODO
 	beginResetModel();
 	endResetModel();