diff --git a/rpcs3/Emu/Io/usb_device.cpp b/rpcs3/Emu/Io/usb_device.cpp
index 08c9dfa9ac..9a8594f967 100644
--- a/rpcs3/Emu/Io/usb_device.cpp
+++ b/rpcs3/Emu/Io/usb_device.cpp
@@ -72,7 +72,7 @@ void usb_device_passthrough::read_descriptors()
 	for (u8 index = 0; index < device._device.bNumConfigurations; index++)
 	{
 		u8 buf[1000];
-		int ssize = libusb_control_transfer(lusb_handle, LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_STANDARD | LIBUSB_RECIPIENT_DEVICE, LIBUSB_REQUEST_GET_DESCRIPTOR, 0x0200 | index, 0, buf, 1000, 0);
+		int ssize = libusb_control_transfer(lusb_handle, +LIBUSB_ENDPOINT_IN | +LIBUSB_REQUEST_TYPE_STANDARD | +LIBUSB_RECIPIENT_DEVICE, LIBUSB_REQUEST_GET_DESCRIPTOR, 0x0200 | index, 0, buf, 1000, 0);
 		if (ssize < 0)
 		{
 			sys_usbd.fatal("Couldn't get the config from the device: %d", ssize);
diff --git a/rpcs3/rpcs3qt/custom_table_widget_item.h b/rpcs3/rpcs3qt/custom_table_widget_item.h
index 27c315b09a..9c69573893 100644
--- a/rpcs3/rpcs3qt/custom_table_widget_item.h
+++ b/rpcs3/rpcs3qt/custom_table_widget_item.h
@@ -28,12 +28,19 @@ public:
 		}
 	}
 
-	bool operator <(const QTableWidgetItem &other) const
+	bool operator <(const QTableWidgetItem& other) const
 	{
+#ifndef _MSC_VER
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 		return data(m_sort_role) < other.data(m_sort_role);
+#ifndef _MSC_VER
+#pragma GCC diagnostic pop
+#endif
 	}
 
-	void setData(int role, const QVariant &value, bool assign_sort_role)
+	void setData(int role, const QVariant& value, bool assign_sort_role)
 	{
 		if (assign_sort_role)
 		{
diff --git a/rpcs3/rpcs3qt/game_list.h b/rpcs3/rpcs3qt/game_list.h
index 82bf11dca8..b3ebd2965c 100644
--- a/rpcs3/rpcs3qt/game_list.h
+++ b/rpcs3/rpcs3qt/game_list.h
@@ -12,7 +12,14 @@ class game_list : public QTableWidget
 private:
 	void mousePressEvent(QMouseEvent *event) override
 	{
+#ifndef _MSC_VER
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 		if (!indexAt(event->pos()).isValid() || itemAt(event->pos())->data(Qt::UserRole) < 0)
+#ifndef _MSC_VER
+#pragma GCC diagnostic pop
+#endif
 		{
 			clearSelection();
 			setCurrentItem(nullptr); // Needed for currentItemChanged
diff --git a/rpcs3/rpcs3qt/game_list_grid_delegate.cpp b/rpcs3/rpcs3qt/game_list_grid_delegate.cpp
index 4fd3f9a612..69a8859ff6 100644
--- a/rpcs3/rpcs3qt/game_list_grid_delegate.cpp
+++ b/rpcs3/rpcs3qt/game_list_grid_delegate.cpp
@@ -55,7 +55,7 @@ void game_list_grid_delegate::paint(QPainter *painter, const QStyleOptionViewIte
 	}
 
 	painter->setFont(option.font);
-	painter->drawText(QRect(r.left(), top, r.width(), height), Qt::TextWordWrap | Qt::AlignCenter, title);
+	painter->drawText(QRect(r.left(), top, r.width(), height), +Qt::TextWordWrap | +Qt::AlignCenter, title);
 }
 
 QSize game_list_grid_delegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
diff --git a/rpcs3/rpcs3qt/kernel_explorer.cpp b/rpcs3/rpcs3qt/kernel_explorer.cpp
index 750d9bab53..9ebe703aba 100644
--- a/rpcs3/rpcs3qt/kernel_explorer.cpp
+++ b/rpcs3/rpcs3qt/kernel_explorer.cpp
@@ -93,7 +93,7 @@ static QTreeWidgetItem* find_first_node(QTreeWidget* tree, QTreeWidgetItem *pare
 {
 	if (tree && parent)
 	{
-		for (auto item : tree->findItems(regexp, Qt::MatchFlag::MatchRegExp | Qt::MatchFlag::MatchRecursive))
+		for (auto item : tree->findItems(regexp, Qt::MatchFlag::MatchRegularExpression | Qt::MatchFlag::MatchRecursive))
 		{
 			if (item->parent() == parent && item->data(0, kernel_item_role::type_role).toInt() != kernel_item_type::leaf)
 			{
@@ -108,7 +108,7 @@ static QTreeWidgetItem* find_node(QTreeWidget* tree, u32 id)
 {
 	if (tree)
 	{
-		for (auto item : tree->findItems(".*", Qt::MatchFlag::MatchRegExp | Qt::MatchFlag::MatchRecursive))
+		for (auto item : tree->findItems(".*", Qt::MatchFlag::MatchRegularExpression | Qt::MatchFlag::MatchRecursive))
 		{
 			if (item->data(0, kernel_item_role::type_role).toInt() == kernel_item_type::node &&
 				item->data(0, kernel_item_role::id_role).toUInt() == id)
diff --git a/rpcs3/rpcs3qt/pad_settings_dialog.cpp b/rpcs3/rpcs3qt/pad_settings_dialog.cpp
index 18c5a206f3..019045ac4f 100644
--- a/rpcs3/rpcs3qt/pad_settings_dialog.cpp
+++ b/rpcs3/rpcs3qt/pad_settings_dialog.cpp
@@ -223,7 +223,7 @@ pad_settings_dialog::pad_settings_dialog(std::shared_ptr<gui_settings> gui_setti
 	SubscribeTooltips();
 
 	// Repaint controller image
-	ui->l_controller->setPixmap(gui::utils::get_colorized_pixmap(*ui->l_controller->pixmap(), QColor(), gui::utils::get_label_color("l_controller"), false, true));
+	ui->l_controller->setPixmap(gui::utils::get_colorized_pixmap(ui->l_controller->pixmap(Qt::ReturnByValue), QColor(), gui::utils::get_label_color("l_controller"), false, true));
 
 	// Show default widgets first in order to calculate the required size for the scroll area (see pad_settings_dialog::ResizeDialog)
 	ui->left_stack->setCurrentIndex(0);
diff --git a/rpcs3/rpcs3qt/patch_manager_dialog.cpp b/rpcs3/rpcs3qt/patch_manager_dialog.cpp
index 735e17ef86..446e95021e 100644
--- a/rpcs3/rpcs3qt/patch_manager_dialog.cpp
+++ b/rpcs3/rpcs3qt/patch_manager_dialog.cpp
@@ -194,7 +194,7 @@ void patch_manager_dialog::populate_tree()
 {
 	// "Reset" currently used items. Items that aren't persisted will be removed later.
 	// Using this logic instead of clearing the tree here should persist the expanded status of items.
-	for (auto item : ui->patch_tree->findItems(".*", Qt::MatchFlag::MatchRegExp | Qt::MatchFlag::MatchRecursive))
+	for (auto item : ui->patch_tree->findItems(".*", Qt::MatchFlag::MatchRegularExpression | Qt::MatchFlag::MatchRecursive))
 	{
 		if (item)
 		{
@@ -430,7 +430,7 @@ void patch_manager_dialog::filter_patches(const QString& term)
 	};
 
 	// Go through each top level item and try to find matches
-	for (auto top_level_item : ui->patch_tree->findItems(".*", Qt::MatchRegExp))
+	for (auto top_level_item : ui->patch_tree->findItems(".*", Qt::MatchRegularExpression))
 	{
 		show_matches(top_level_item, false);
 	}
diff --git a/rpcs3/rpcs3qt/screenshot_preview.cpp b/rpcs3/rpcs3qt/screenshot_preview.cpp
index b1a6534a48..fa239efb19 100644
--- a/rpcs3/rpcs3qt/screenshot_preview.cpp
+++ b/rpcs3/rpcs3qt/screenshot_preview.cpp
@@ -37,7 +37,7 @@ void screenshot_preview::show_context_menu(const QPoint & pos)
 	menu->addSeparator();
 
 	QAction* reset_act = menu->addAction(tr("To &Normal Size"), [this]() { scale(m_image.size()); });
-	reset_act->setEnabled(pixmap()->size() != m_image.size());
+	reset_act->setEnabled(pixmap(Qt::ReturnByValue).size() != m_image.size());
 
 	QAction* stretch_act = menu->addAction(tr("&Stretch to size"), [this]() { m_stretch = !m_stretch; scale(size()); });
 	stretch_act->setCheckable(true);