diff --git a/Utilities/Thread.h b/Utilities/Thread.h
index caf9ec1c56..e881d6081c 100644
--- a/Utilities/Thread.h
+++ b/Utilities/Thread.h
@@ -480,8 +480,7 @@ class named_thread final : public Context, result_storage<Context>, thread_base
 
 public:
 	// Default constructor
-	template <bool Valid = std::is_default_constructible_v<Context> && thread_thread_name<Context>(), typename = std::enable_if_t<Valid>>
-	named_thread()
+	named_thread() requires (std::is_default_constructible_v<Context>) && (thread_thread_name<Context>::value)
 		: Context()
 		, thread(trampoline, Context::thread_name)
 	{
diff --git a/rpcs3/Emu/Cell/PPUAnalyser.h b/rpcs3/Emu/Cell/PPUAnalyser.h
index 2f2710c69a..58b70c2863 100644
--- a/rpcs3/Emu/Cell/PPUAnalyser.h
+++ b/rpcs3/Emu/Cell/PPUAnalyser.h
@@ -80,13 +80,13 @@ struct ppu_module
 	ppu_module& operator=(ppu_module&&) = default;
 
 	uchar sha1[20]{};
-	std::string name;
-	std::string path;
-	std::string cache;
-	std::vector<ppu_reloc> relocs;
-	std::vector<ppu_segment> segs;
-	std::vector<ppu_segment> secs;
-	std::vector<ppu_function> funcs;
+	std::string name{};
+	std::string path{};
+	std::string cache{};
+	std::vector<ppu_reloc> relocs{};
+	std::vector<ppu_segment> segs{};
+	std::vector<ppu_segment> secs{};
+	std::vector<ppu_function> funcs{};
 
 	// Copy info without functions
 	void copy_part(const ppu_module& info)
diff --git a/rpcs3/Emu/Cell/PPUModule.cpp b/rpcs3/Emu/Cell/PPUModule.cpp
index 377b6f1ff3..bfaf69c8de 100644
--- a/rpcs3/Emu/Cell/PPUModule.cpp
+++ b/rpcs3/Emu/Cell/PPUModule.cpp
@@ -114,20 +114,20 @@ struct ppu_linkage_info
 			ppu_static_function* static_func = nullptr;
 			ppu_static_variable* static_var = nullptr;
 			u32 export_addr = 0;
-			std::set<u32> imports;
-			std::set<u32> frefss;
+			std::set<u32> imports{};
+			std::set<u32> frefss{};
 		};
 
 		// FNID -> (export; [imports...])
-		std::unordered_map<u32, info, value_hash<u32>> functions;
-		std::unordered_map<u32, info, value_hash<u32>> variables;
+		std::unordered_map<u32, info, value_hash<u32>> functions{};
+		std::unordered_map<u32, info, value_hash<u32>> variables{};
 
 		// Obsolete
 		bool imported = false;
 	};
 
 	// Module map
-	std::unordered_map<std::string, module_data> modules;
+	std::unordered_map<std::string, module_data> modules{};
 };
 
 // Initialize static modules.
diff --git a/rpcs3/Emu/Cell/PPUModule.h b/rpcs3/Emu/Cell/PPUModule.h
index acdb58743b..7b09ffca63 100644
--- a/rpcs3/Emu/Cell/PPUModule.h
+++ b/rpcs3/Emu/Cell/PPUModule.h
@@ -75,8 +75,8 @@ class ppu_static_module final
 public:
 	const std::string name;
 
-	std::unordered_map<u32, ppu_static_function, value_hash<u32>> functions;
-	std::unordered_map<u32, ppu_static_variable, value_hash<u32>> variables;
+	std::unordered_map<u32, ppu_static_function, value_hash<u32>> functions{};
+	std::unordered_map<u32, ppu_static_variable, value_hash<u32>> variables{};
 
 public:
 	ppu_static_module(const char* name);
diff --git a/rpcs3/Emu/RSX/Capture/rsx_replay.h b/rpcs3/Emu/RSX/Capture/rsx_replay.h
index 388b241d19..6e0a9d14aa 100644
--- a/rpcs3/Emu/RSX/Capture/rsx_replay.h
+++ b/rpcs3/Emu/RSX/Capture/rsx_replay.h
@@ -41,9 +41,9 @@ namespace rsx
 
 		struct replay_command
 		{
-			std::pair<u32, u32> rsx_command;      // fifo command
-			std::unordered_set<u64> memory_state; // index into memory_map for the various memory blocks that need applying before this command can run
-			u64 tile_state{0};                    // tile state for this command
+			std::pair<u32, u32> rsx_command{};      // fifo command
+			std::unordered_set<u64> memory_state{}; // index into memory_map for the various memory blocks that need applying before this command can run
+			u64 tile_state{0};                      // tile state for this command
 			u64 display_buffer_state{0};
 
 			template<typename Archive>
diff --git a/rpcs3/Emu/RSX/RSXThread.h b/rpcs3/Emu/RSX/RSXThread.h
index d42ce67c35..d4923e6503 100644
--- a/rpcs3/Emu/RSX/RSXThread.h
+++ b/rpcs3/Emu/RSX/RSXThread.h
@@ -256,16 +256,13 @@ namespace rsx
 
 	struct vertex_input_layout
 	{
-		std::vector<interleaved_range_info> interleaved_blocks;  // Interleaved blocks to be uploaded as-is
-		std::vector<std::pair<u8, u32>> volatile_blocks;         // Volatile data blocks (immediate draw vertex data for example)
-		rsx::simple_array<u8> referenced_registers;              // Volatile register data
+		std::vector<interleaved_range_info> interleaved_blocks{};  // Interleaved blocks to be uploaded as-is
+		std::vector<std::pair<u8, u32>> volatile_blocks{};         // Volatile data blocks (immediate draw vertex data for example)
+		rsx::simple_array<u8> referenced_registers{};              // Volatile register data
 
-		std::array<attribute_buffer_placement, 16> attribute_placement;
+		std::array<attribute_buffer_placement, 16> attribute_placement = fill_array(attribute_buffer_placement::none);
 
-		vertex_input_layout()
-		{
-			attribute_placement.fill(attribute_buffer_placement::none);
-		}
+		vertex_input_layout() = default;
 
 		void clear()
 		{
@@ -408,7 +405,7 @@ namespace rsx
 			bool host_queries_active = false;    // The backend/host is gathering Z data for the ZCULL unit
 
 			std::array<occlusion_query_info, 1024> m_occlusion_query_data = {};
-			std::stack<occlusion_query_info*> m_free_occlusion_pool;
+			std::stack<occlusion_query_info*> m_free_occlusion_pool{};
 
 			occlusion_query_info* m_current_task = nullptr;
 			u32 m_statistics_tag_id = 0;
@@ -421,8 +418,8 @@ namespace rsx
 			u64 m_sync_tag = 0;
 			u64 m_timer = 0;
 
-			std::vector<queued_report_write> m_pending_writes;
-			std::unordered_map<u32, u32> m_statistics_map;
+			std::vector<queued_report_write> m_pending_writes{};
+			std::unordered_map<u32, u32> m_statistics_map{};
 
 			// Enables/disables the ZCULL unit
 			void set_active(class ::rsx::thread* ptimer, bool state, bool flush_queue);
@@ -446,7 +443,10 @@ namespace rsx
 		public:
 
 			ZCULL_control();
-			~ZCULL_control();
+			virtual ~ZCULL_control();
+
+			ZCULL_control(const ZCULL_control&) = delete;
+			ZCULL_control& operator=(const ZCULL_control&) = delete;
 
 			void set_enabled(class ::rsx::thread* ptimer, bool state, bool flush_queue = false);
 			void set_status(class ::rsx::thread* ptimer, bool surface_active, bool zpass_active, bool zcull_stats_active, bool flush_queue = false);
@@ -804,6 +804,9 @@ namespace rsx
 		void run_FIFO();
 
 	public:
+		thread(const thread&) = delete;
+		thread& operator=(const thread&) = delete;
+
 		virtual void clear_surface(u32 /*arg*/) {}
 		virtual void begin();
 		virtual void end();
diff --git a/rpcs3/Loader/ELF.h b/rpcs3/Loader/ELF.h
index daf67f3ddf..19dcc7c3d8 100644
--- a/rpcs3/Loader/ELF.h
+++ b/rpcs3/Loader/ELF.h
@@ -99,7 +99,7 @@ struct elf_phdr<en_t, u32>
 template<template<typename T> class en_t, typename sz_t>
 struct elf_prog final : elf_phdr<en_t, sz_t>
 {
-	std::vector<uchar> bin;
+	std::vector<uchar> bin{};
 
 	using base = elf_phdr<en_t, sz_t>;
 
@@ -180,8 +180,8 @@ public:
 
 	ehdr_t header{};
 
-	std::vector<prog_t> progs;
-	std::vector<shdr_t> shdrs;
+	std::vector<prog_t> progs{};
+	std::vector<shdr_t> shdrs{};
 
 public:
 	elf_object() = default;
diff --git a/rpcs3/Loader/TAR.h b/rpcs3/Loader/TAR.h
index ec9a8dcd5f..e5bfec4174 100644
--- a/rpcs3/Loader/TAR.h
+++ b/rpcs3/Loader/TAR.h
@@ -22,7 +22,7 @@ class tar_object
 	const fs::file& m_file;
 
 	usz largest_offset = 0; // We store the largest offset so we can continue to scan from there.
-	std::map<std::string, std::pair<u64, TARHeader>> m_map; // Maps path to offset of file data and its header
+	std::map<std::string, std::pair<u64, TARHeader>> m_map{}; // Maps path to offset of file data and its header
 
 	TARHeader read_header(u64 offset) const;
 
diff --git a/rpcs3/Loader/TROPUSR.h b/rpcs3/Loader/TROPUSR.h
index 9c9b7e3e07..950ee5fa1f 100644
--- a/rpcs3/Loader/TROPUSR.h
+++ b/rpcs3/Loader/TROPUSR.h
@@ -78,6 +78,8 @@ class TROPUSRLoader
 	virtual bool LoadTables();
 
 public:
+	virtual ~TROPUSRLoader() = default;
+
 	virtual bool Load(const std::string& filepath, const std::string& configpath);
 	virtual bool Save(const std::string& filepath);
 
diff --git a/rpcs3/util/shared_ptr.hpp b/rpcs3/util/shared_ptr.hpp
index 8d2c368cef..91c0a44b11 100644
--- a/rpcs3/util/shared_ptr.hpp
+++ b/rpcs3/util/shared_ptr.hpp
@@ -97,13 +97,13 @@ namespace stx
 		atomic_t<usz> refs{1};
 	};
 
-	template <usz Size, usz Align, typename = void>
+	template <usz Size, usz Align>
 	struct align_filler
 	{
 	};
 
-	template <usz Size, usz Align>
-	struct align_filler<Size, Align, std::enable_if_t<(Align > Size)>>
+	template <usz Size, usz Align> requires (Align > Size)
+	struct align_filler<Size, Align>
 	{
 		char dummy[Align - Size];
 	};
@@ -236,16 +236,9 @@ namespace stx
 			return m_ptr;
 		}
 
-		decltype(auto) operator*() const noexcept
+		decltype(auto) operator*() const noexcept requires (!std::is_void_v<element_type>)
 		{
-			if constexpr (std::is_void_v<element_type>)
-			{
-				return;
-			}
-			else
-			{
-				return *m_ptr;
-			}
+			return *m_ptr;
 		}
 
 		element_type* operator->() const noexcept
@@ -253,13 +246,9 @@ namespace stx
 			return m_ptr;
 		}
 
-		decltype(auto) operator[](std::ptrdiff_t idx) const noexcept
+		decltype(auto) operator[](std::ptrdiff_t idx) const noexcept requires (!std::is_void_v<element_type>)
 		{
-			if constexpr (std::is_void_v<element_type>)
-			{
-				return;
-			}
-			else if constexpr (std::is_array_v<T>)
+			if constexpr (std::is_array_v<T>)
 			{
 				return m_ptr[idx];
 			}
@@ -572,16 +561,9 @@ namespace stx
 			return m_ptr;
 		}
 
-		decltype(auto) operator*() const noexcept
+		decltype(auto) operator*() const noexcept requires (!std::is_void_v<element_type>)
 		{
-			if constexpr (std::is_void_v<element_type>)
-			{
-				return;
-			}
-			else
-			{
-				return *m_ptr;
-			}
+			return *m_ptr;
 		}
 
 		element_type* operator->() const noexcept
@@ -589,13 +571,9 @@ namespace stx
 			return m_ptr;
 		}
 
-		decltype(auto) operator[](std::ptrdiff_t idx) const noexcept
+		decltype(auto) operator[](std::ptrdiff_t idx) const noexcept requires (!std::is_void_v<element_type>)
 		{
-			if constexpr (std::is_void_v<element_type>)
-			{
-				return;
-			}
-			else if constexpr (std::is_array_v<T>)
+			if constexpr (std::is_array_v<T>)
 			{
 				return m_ptr[idx];
 			}