diff --git a/rpcs3/rpcs3qt/about_dialog.cpp b/rpcs3/rpcs3qt/about_dialog.cpp
index d0a5760ec6..1186f308ec 100644
--- a/rpcs3/rpcs3qt/about_dialog.cpp
+++ b/rpcs3/rpcs3qt/about_dialog.cpp
@@ -6,7 +6,7 @@
 #include <QDesktopServices>
 #include <QUrl>
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 about_dialog::about_dialog(QWidget* parent) : QDialog(parent), ui(new Ui::about_dialog)
 {
diff --git a/rpcs3/rpcs3qt/auto_pause_settings_dialog.cpp b/rpcs3/rpcs3qt/auto_pause_settings_dialog.cpp
index 45b4e1a8ef..fa43c168fb 100644
--- a/rpcs3/rpcs3qt/auto_pause_settings_dialog.cpp
+++ b/rpcs3/rpcs3qt/auto_pause_settings_dialog.cpp
@@ -1,7 +1,7 @@
 
 #include "auto_pause_settings_dialog.h"
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 auto_pause_settings_dialog::auto_pause_settings_dialog(QWidget *parent) : QDialog(parent)
 {
diff --git a/rpcs3/rpcs3qt/cg_disasm_window.cpp b/rpcs3/rpcs3qt/cg_disasm_window.cpp
index adf2f5f5df..fab57decce 100644
--- a/rpcs3/rpcs3qt/cg_disasm_window.cpp
+++ b/rpcs3/rpcs3qt/cg_disasm_window.cpp
@@ -16,10 +16,10 @@
 
 #include "Emu/RSX/CgBinaryProgram.h"
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 inline std::string sstr(const QString& _in) { return _in.toUtf8().toStdString(); }
 
-cg_disasm_window::cg_disasm_window(std::shared_ptr<gui_settings> xSettings, QWidget* parent): QWidget(), xgui_settings(xSettings)
+cg_disasm_window::cg_disasm_window(std::shared_ptr<gui_settings> xSettings, QWidget* parent): QWidget(parent), xgui_settings(xSettings)
 {
 	setWindowTitle(tr("Cg Disasm"));
 	setAttribute(Qt::WA_DeleteOnClose);
@@ -76,7 +76,7 @@ void cg_disasm_window::ShowContextMenu(const QPoint &pos)
 		ShowDisasm();
 	});
 
-	myMenu.exec(QCursor::pos());
+	myMenu.exec(mapToGlobal(pos));
 }
 
 void cg_disasm_window::ShowDisasm()
diff --git a/rpcs3/rpcs3qt/debugger_frame.cpp b/rpcs3/rpcs3qt/debugger_frame.cpp
index 82addeea10..056aa9603d 100644
--- a/rpcs3/rpcs3qt/debugger_frame.cpp
+++ b/rpcs3/rpcs3qt/debugger_frame.cpp
@@ -5,7 +5,7 @@
 #include <QFontDatabase>
 #include <QCompleter>
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 extern bool user_asked_for_frame_capture;
 
 debugger_frame::debugger_frame(std::shared_ptr<gui_settings> settings, QWidget *parent)
@@ -20,7 +20,6 @@ debugger_frame::debugger_frame(std::shared_ptr<gui_settings> settings, QWidget *
 	body = new QWidget(this);
 	mono = QFontDatabase::systemFont(QFontDatabase::FixedFont);
 	mono.setPointSize(pSize);
-	QFontMetrics* fontMetrics = new QFontMetrics(mono);
 
 	QVBoxLayout* vbox_p_main = new QVBoxLayout();
 	QHBoxLayout* hbox_b_main = new QHBoxLayout();
@@ -370,7 +369,6 @@ void debugger_frame::Show_Val()
 	if (cpu) 
 	{
 		unsigned long pc = cpu ? GetPc() : 0x0;
-		bool ok;
 		addr->setText("Address: " + QString("%1").arg(pc, 8, 16, QChar('0')));	// set address input line to 8 digits
 		p_pc->setPlaceholderText(QString("%1").arg(pc, 8, 16, QChar('0')));
 	}
@@ -618,6 +616,8 @@ void debugger_list::wheelEvent(QWheelEvent* event)
 
 void debugger_list::resizeEvent(QResizeEvent* event)
 {
+	Q_UNUSED(event);
+
 	if (count() < 1 || visualItemRect(item(0)).height() < 1)
 	{
 		return;
diff --git a/rpcs3/rpcs3qt/emu_settings.h b/rpcs3/rpcs3qt/emu_settings.h
index 239a530d80..98fa7f7c93 100644
--- a/rpcs3/rpcs3qt/emu_settings.h
+++ b/rpcs3/rpcs3qt/emu_settings.h
@@ -11,7 +11,7 @@
 #include <QObject>
 #include <QComboBox>
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 struct Render_Creator
 {
diff --git a/rpcs3/rpcs3qt/game_list_frame.cpp b/rpcs3/rpcs3qt/game_list_frame.cpp
index 10e0813bc4..c69f1c4e97 100644
--- a/rpcs3/rpcs3qt/game_list_frame.cpp
+++ b/rpcs3/rpcs3qt/game_list_frame.cpp
@@ -991,7 +991,7 @@ void game_list_frame::PopulateGameGrid(uint maxCols, const QSize& image_size, co
 
 	if (c != 0)
 	{ // if left over games exist -- if empty entries exist
-		for (int col = c; col < maxCols; ++col)
+		for (uint col = c; col < maxCols; ++col)
 		{
 			QTableWidgetItem* emptyItem = new QTableWidgetItem();
 			emptyItem->setFlags(Qt::NoItemFlags);
diff --git a/rpcs3/rpcs3qt/game_list_grid_delegate.cpp b/rpcs3/rpcs3qt/game_list_grid_delegate.cpp
index 0547b8bd4b..d48a669766 100644
--- a/rpcs3/rpcs3qt/game_list_grid_delegate.cpp
+++ b/rpcs3/rpcs3qt/game_list_grid_delegate.cpp
@@ -50,5 +50,7 @@ void game_list_grid_delegate::paint(QPainter * painter, const QStyleOptionViewIt
 
 QSize game_list_grid_delegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
 {
+	Q_UNUSED(option);
+	Q_UNUSED(index);
 	return m_size;
 }
diff --git a/rpcs3/rpcs3qt/gs_frame.cpp b/rpcs3/rpcs3qt/gs_frame.cpp
index af8ea6ca92..de3d7a1034 100644
--- a/rpcs3/rpcs3qt/gs_frame.cpp
+++ b/rpcs3/rpcs3qt/gs_frame.cpp
@@ -8,7 +8,7 @@
 #include <QTimer>
 #include <QThread>
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 gs_frame::gs_frame(const QString& title, int w, int h, QIcon appIcon, bool disableMouse)
 	: QWindow(), m_windowTitle(title), m_disable_mouse(disableMouse)
diff --git a/rpcs3/rpcs3qt/gui_settings.h b/rpcs3/rpcs3qt/gui_settings.h
index 6dcb13a197..f7ff1f9621 100644
--- a/rpcs3/rpcs3qt/gui_settings.h
+++ b/rpcs3/rpcs3qt/gui_settings.h
@@ -9,7 +9,7 @@
 #include <QColor>
 #include <QBitmap>
 
-typedef struct GUI_SAVE
+struct GUI_SAVE
 {
 	QString key;
 	QString name;
diff --git a/rpcs3/rpcs3qt/instruction_editor_dialog.cpp b/rpcs3/rpcs3qt/instruction_editor_dialog.cpp
index 48e71e8d76..3638fa7d7b 100644
--- a/rpcs3/rpcs3qt/instruction_editor_dialog.cpp
+++ b/rpcs3/rpcs3qt/instruction_editor_dialog.cpp
@@ -2,7 +2,7 @@
 #include "instruction_editor_dialog.h"
 #include <QFontDatabase>
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 instruction_editor_dialog::instruction_editor_dialog(QWidget *parent, u32 _pc, const std::shared_ptr<cpu_thread>& _cpu, CPUDisAsm* _disasm)
 	: QDialog(parent)
@@ -84,7 +84,8 @@ instruction_editor_dialog::instruction_editor_dialog(QWidget *parent, u32 _pc, c
 void instruction_editor_dialog::updatePreview()
 {
 	bool ok;
-	ulong opcode = t2_instr->text().toULong(&ok, 16);
+	//ulong opcode = t2_instr->text().toULong(&ok, 16);
+
 	if (ok)
 	{
 		if (g_system == system_type::psv)
diff --git a/rpcs3/rpcs3qt/kernel_explorer.cpp b/rpcs3/rpcs3qt/kernel_explorer.cpp
index 027a487929..9d53f5adbe 100644
--- a/rpcs3/rpcs3qt/kernel_explorer.cpp
+++ b/rpcs3/rpcs3qt/kernel_explorer.cpp
@@ -60,7 +60,7 @@ kernel_explorer::kernel_explorer(QWidget* parent) : QDialog(parent)
 	Update();
 };
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 void kernel_explorer::Update()
 {
@@ -144,7 +144,7 @@ void kernel_explorer::Update()
 		{
 		case SYS_MEM_OBJECT:
 		{
-			auto& mem = static_cast<lv2_memory&>(obj);
+			// auto& mem = static_cast<lv2_memory&>(obj);
 			l_addTreeChild(node, qstr(fmt::format("Memory: ID = 0x%08x", id)));
 			break;
 		}
@@ -171,13 +171,13 @@ void kernel_explorer::Update()
 		}
 		case SYS_INTR_TAG_OBJECT:
 		{
-			auto& tag = static_cast<lv2_int_tag&>(obj);
+			// auto& tag = static_cast<lv2_int_tag&>(obj);
 			l_addTreeChild(node, qstr(fmt::format("Intr Tag: ID = 0x%08x", id)));
 			break;
 		}
 		case SYS_INTR_SERVICE_HANDLE_OBJECT:
 		{
-			auto& serv = static_cast<lv2_int_serv&>(obj);
+			// auto& serv = static_cast<lv2_int_serv&>(obj);
 			l_addTreeChild(node, qstr(fmt::format("Intr Svc: ID = 0x%08x", id)));
 			break;
 		}
@@ -223,7 +223,7 @@ void kernel_explorer::Update()
 		}
 		case SYS_TIMER_OBJECT:
 		{
-			auto& timer = static_cast<lv2_timer&>(obj);
+			// auto& timer = static_cast<lv2_timer&>(obj);
 			l_addTreeChild(node, qstr(fmt::format("Timer: ID = 0x%08x", id)));
 			break;
 		}
diff --git a/rpcs3/rpcs3qt/log_frame.cpp b/rpcs3/rpcs3qt/log_frame.cpp
index 0b815bf2fd..966480aa67 100644
--- a/rpcs3/rpcs3qt/log_frame.cpp
+++ b/rpcs3/rpcs3qt/log_frame.cpp
@@ -8,7 +8,7 @@
 #include <QActionGroup>
 #include <QScrollBar>
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 struct gui_listener : logs::listener
 {
diff --git a/rpcs3/rpcs3qt/main_window.cpp b/rpcs3/rpcs3qt/main_window.cpp
index 6718337f78..53f696074e 100644
--- a/rpcs3/rpcs3qt/main_window.cpp
+++ b/rpcs3/rpcs3qt/main_window.cpp
@@ -615,7 +615,6 @@ void main_window::DecryptSPRXLibraries()
 		if (elf_file && elf_file.size() >= 4 && elf_file.read<u32>() == "SCE\0"_u32)
 		{
 			const std::size_t prx_ext_pos = prx_path.find_last_of('.');
-			const std::string& prx_ext = fmt::to_upper(prx_path.substr(prx_ext_pos != -1 ? prx_ext_pos : prx_path.size()));
 			const std::string& prx_name = prx_path.substr(prx_dir.size());
 
 			elf_file = decrypt_self(std::move(elf_file));
@@ -1203,8 +1202,6 @@ void main_window::CreateConnects()
 	});
 	connect (gameListFrame, &game_list_frame::RequestIconSizeActSet, [=](const int& idx)
 	{
-		int index = GUI::gl_max_slider_pos / 4;
-
 		if (idx < GUI::get_Index((GUI::gl_icon_size_small + GUI::gl_icon_size_min) / 2)) ui->setIconSizeTinyAct->setChecked(true);
 		else if (idx < GUI::get_Index((GUI::gl_icon_size_medium + GUI::gl_icon_size_small) / 2)) ui->setIconSizeSmallAct->setChecked(true);
 		else if (idx < GUI::get_Index((GUI::gl_icon_size_max + GUI::gl_icon_size_medium) / 2)) ui->setIconSizeMediumAct->setChecked(true);
diff --git a/rpcs3/rpcs3qt/memory_viewer_panel.cpp b/rpcs3/rpcs3qt/memory_viewer_panel.cpp
index a4feef98d0..754b192e39 100644
--- a/rpcs3/rpcs3qt/memory_viewer_panel.cpp
+++ b/rpcs3/rpcs3qt/memory_viewer_panel.cpp
@@ -3,7 +3,7 @@
 
 #include "memory_viewer_panel.h"
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
 memory_viewer_panel::memory_viewer_panel(QWidget* parent) 
 	: QDialog(parent)
@@ -219,7 +219,6 @@ memory_viewer_panel::memory_viewer_panel(QWidget* parent)
 	connect(b_fprev, &QAbstractButton::clicked, [=]() { m_addr -= m_rowcount * m_colcount; ShowMemory(); });
 	connect(b_fnext, &QAbstractButton::clicked, [=]() { m_addr += m_rowcount * m_colcount; ShowMemory(); });
 	connect(b_img, &QAbstractButton::clicked, [=]() {
-		u32 addr = m_addr;
 		int mode = cbox_img_mode->currentIndex();
 		int sizex = sb_img_size_x->value();
 		int sizey = sb_img_size_y->value();
@@ -301,7 +300,6 @@ void memory_viewer_panel::ShowMemory()
 
 void memory_viewer_panel::ShowImage(QWidget* parent, u32 addr, int mode, u32 width, u32 height, bool flipv)
 {
-	QImage::Format format;
 	unsigned char* originalBuffer  = (unsigned char*)vm::base(addr);
 	unsigned char* convertedBuffer = (unsigned char*)malloc(width * height * 4);
 	switch(mode)
diff --git a/rpcs3/rpcs3qt/register_editor_dialog.cpp b/rpcs3/rpcs3qt/register_editor_dialog.cpp
index c9f428da91..222e799658 100644
--- a/rpcs3/rpcs3qt/register_editor_dialog.cpp
+++ b/rpcs3/rpcs3qt/register_editor_dialog.cpp
@@ -1,7 +1,7 @@
 
 #include "register_editor_dialog.h"
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 inline std::string sstr(const QString& _in) { return _in.toUtf8().toStdString(); }
 inline std::string sstr(const QVariant& _in) { return sstr(_in.toString()); }
 
diff --git a/rpcs3/rpcs3qt/rsx_debugger.cpp b/rpcs3/rpcs3qt/rsx_debugger.cpp
index 4605fbf1c4..ed90f5d0f1 100644
--- a/rpcs3/rpcs3qt/rsx_debugger.cpp
+++ b/rpcs3/rpcs3qt/rsx_debugger.cpp
@@ -7,14 +7,15 @@ enum GCMEnumTypes
 	CELL_GCM_PRIMITIVE_ENUM,
 };
 
-inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), _in.size()); }
+inline QString qstr(const std::string& _in) { return QString::fromUtf8(_in.data(), static_cast<int>(_in.size())); }
 
-rsx_debugger::rsx_debugger(QWidget* parent) 
+rsx_debugger::rsx_debugger(QWidget* parent)
 	: QDialog(parent)
 	, m_item_count(37)
 	, m_addr(0x0)
 	, m_cur_texture(0)
 	, exit(false)
+	, palette_bg()
 {
 	setWindowTitle(tr("RSX Debugger"));
 	setAttribute(Qt::WA_DeleteOnClose);
@@ -24,8 +25,8 @@ rsx_debugger::rsx_debugger(QWidget* parent)
 	mono = QFontDatabase::systemFont(QFontDatabase::FixedFont);
 	mono.setPointSize(pSize);
 	fontMetrics = new QFontMetrics(mono);
-	palette_bg = new QPalette();
-	palette_bg->setColor(backgroundRole(), QColor(240, 240, 240));
+
+	palette_bg.setColor(backgroundRole(), QColor(240, 240, 240));
 	QHBoxLayout* hbox_panel = new QHBoxLayout();
 
 	//Tools
@@ -377,9 +378,9 @@ namespace
 		if (img.isNull()) return;
 		//QString title = qstr(fmt::format("Raw Image @ 0x%x", addr));
 		QLabel* canvas = new QLabel();
-		QPalette* pal_bg = new QPalette();
-		pal_bg->setColor(canvas->backgroundRole(), QColor(240, 240, 240));
-		canvas->setPalette(*pal_bg); //This fix the ugly background color under Windows
+		QPalette pal_bg;
+		pal_bg.setColor(canvas->backgroundRole(), QColor(240, 240, 240));
+		canvas->setPalette(pal_bg); //This fix the ugly background color under Windows
 		canvas->setPixmap(QPixmap::fromImage(img));
 		canvas->setFixedSize(img.size());
 		canvas->show();
@@ -411,7 +412,7 @@ void Buffer::mouseDoubleClickEvent(QMouseEvent* event)
 			return;
 		}
 
-		const auto buffers = render->display_buffers;
+		const auto buffers = render->display_buffers; 
 
 		// TODO: Is there any better way to choose the color buffers
 #define SHOW_BUFFER(id) \
diff --git a/rpcs3/rpcs3qt/rsx_debugger.h b/rpcs3/rpcs3qt/rsx_debugger.h
index a5f75eaa5f..94187d4d40 100644
--- a/rpcs3/rpcs3qt/rsx_debugger.h
+++ b/rpcs3/rpcs3qt/rsx_debugger.h
@@ -60,7 +60,7 @@ class rsx_debugger : public QDialog
 	u32 pSize;
 
 	QLineEdit* t_addr;
-	QPalette* palette_bg;
+	QPalette palette_bg;
 	QFont mono;
 	QFontMetrics* fontMetrics;
 
diff --git a/rpcs3/rpcs3qt/save_data_list_dialog.cpp b/rpcs3/rpcs3qt/save_data_list_dialog.cpp
index e3448b90f9..a90727be0f 100644
--- a/rpcs3/rpcs3qt/save_data_list_dialog.cpp
+++ b/rpcs3/rpcs3qt/save_data_list_dialog.cpp
@@ -66,6 +66,7 @@ save_data_list_dialog::save_data_list_dialog(const std::vector<SaveDataEntry>& e
 	connect(m_list, &QTableWidget::currentCellChanged, this, [&](int cr, int cc, int pr, int pc) {
 		m_selectedEntry = cr;
 		UpdateSelectionLabel();
+		Q_UNUSED(cr); Q_UNUSED(pr); Q_UNUSED(pc);
 	});
 
 	// TODO: Unstub functions inside of this context menu so it makes sense to show this menu
diff --git a/rpcs3/rpcs3qt/table_item_delegate.h b/rpcs3/rpcs3qt/table_item_delegate.h
index e29c1bd37f..9c0b768d1f 100644
--- a/rpcs3/rpcs3qt/table_item_delegate.h
+++ b/rpcs3/rpcs3qt/table_item_delegate.h
@@ -6,6 +6,6 @@
 class table_item_delegate : public QItemDelegate
 {
 public:
-	explicit table_item_delegate(QObject *parent = 0) {}
+	explicit table_item_delegate(QObject *parent = 0) : QItemDelegate(parent) {}
 	virtual void drawFocus(QPainter * /*painter*/, const QStyleOptionViewItem & /*option*/, const QRect & /*rect*/) const {}
 };