diff --git a/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_debug.hpp b/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_debug.hpp
index f06acd990..b9735db84 100644
--- a/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_debug.hpp
+++ b/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_debug.hpp
@@ -33,7 +33,7 @@ namespace ams::kern::arch::arm64 {
             explicit KDebug() { /* ... */ }
             virtual ~KDebug() { /* ... */ }
 
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
         public:
             virtual Result GetThreadContextImpl(ams::svc::ThreadContext *out, KThread *thread, u32 context_flags) override;
             virtual Result SetThreadContextImpl(const ams::svc::ThreadContext &ctx, KThread *thread, u32 context_flags) override;
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_code_memory.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_code_memory.hpp
index 29467b701..8fcbe4a17 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_code_memory.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_code_memory.hpp
@@ -46,7 +46,7 @@ namespace ams::kern {
             Result UnmapFromOwner(KProcessAddress address, size_t size);
 
             virtual bool IsInitialized() const override { return this->is_initialized; }
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             KProcess *GetOwner() const { return this->owner; }
             KProcessAddress GetSourceAddress() { return this->address; }
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_device_address_space.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_device_address_space.hpp
index 03b302f9a..42e72a71e 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_device_address_space.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_device_address_space.hpp
@@ -37,7 +37,7 @@ namespace ams::kern {
             virtual void Finalize() override;
 
             virtual bool IsInitialized() const override { return this->is_initialized; }
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             Result Attach(ams::svc::DeviceName device_name);
             Result Detach(ams::svc::DeviceName device_name);
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_interrupt_event.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_interrupt_event.hpp
index 326994b10..5231f805f 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_interrupt_event.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_interrupt_event.hpp
@@ -41,7 +41,7 @@ namespace ams::kern {
 
             virtual bool IsInitialized() const override { return this->is_initialized; }
 
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             constexpr s32 GetInterruptId() const { return this->interrupt_id; }
     };
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_light_client_session.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_light_client_session.hpp
index f8c429bce..93eb7ae77 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_light_client_session.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_light_client_session.hpp
@@ -35,7 +35,7 @@ namespace ams::kern {
             }
 
             virtual void Destroy() override;
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             constexpr const KLightSession *GetParent() const { return this->parent; }
 
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_light_server_session.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_light_server_session.hpp
index 1487a714d..7dd58c031 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_light_server_session.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_light_server_session.hpp
@@ -41,7 +41,7 @@ namespace ams::kern {
             }
 
             virtual void Destroy() override;
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             constexpr const KLightSession *GetParent() const { return this->parent; }
 
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_memory_block.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_memory_block.hpp
index b5f4dbd3f..09a761db1 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_memory_block.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_memory_block.hpp
@@ -197,6 +197,7 @@ namespace ams::kern {
                 .perm             = static_cast<ams::svc::MemoryPermission>(this->perm & KMemoryPermission_UserMask),
                 .ipc_refcount     = this->ipc_lock_count,
                 .device_refcount  = this->device_use_count,
+                .padding          = {},
             };
         }
 
@@ -396,6 +397,9 @@ namespace ams::kern {
             }
 
             constexpr void ShareToDevice(KMemoryPermission new_perm) {
+                /* New permission isn't used. */
+                MESOSPHERE_UNUSED(new_perm);
+
                 /* We must either be shared or have a zero lock count. */
                 MESOSPHERE_ASSERT((this->attribute & KMemoryAttribute_DeviceShared) == KMemoryAttribute_DeviceShared || this->device_use_count == 0);
 
@@ -407,6 +411,9 @@ namespace ams::kern {
             }
 
             constexpr void UnshareToDevice(KMemoryPermission new_perm) {
+                /* New permission isn't used. */
+                MESOSPHERE_UNUSED(new_perm);
+
                 /* We must be shared. */
                 MESOSPHERE_ASSERT((this->attribute & KMemoryAttribute_DeviceShared) == KMemoryAttribute_DeviceShared);
 
@@ -439,6 +446,9 @@ namespace ams::kern {
             }
 
             constexpr void UnlockForIpc(KMemoryPermission new_perm) {
+                /* New permission isn't used. */
+                MESOSPHERE_UNUSED(new_perm);
+
                 /* We must be locked. */
                 MESOSPHERE_ASSERT((this->attribute & KMemoryAttribute_IpcLocked) == KMemoryAttribute_IpcLocked);
 
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_port.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_port.hpp
index 36406d405..1c7d5da02 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_port.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_port.hpp
@@ -44,7 +44,7 @@ namespace ams::kern {
             constexpr KPort() : server(), client(), name(), state(State::Invalid), is_light() { /* ... */ }
             virtual ~KPort() { /* ... */ }
 
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             void Initialize(s32 max_sessions, bool is_light, uintptr_t name);
             void OnClientClosed();
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_process.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_process.hpp
index 4e74fe728..8eb427e19 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_process.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_process.hpp
@@ -359,6 +359,8 @@ namespace ams::kern {
             static Result GetProcessList(s32 *out_num_processes, ams::kern::svc::KUserPointer<u64 *> out_process_ids, s32 max_out_count);
 
             static void Switch(KProcess *cur_process, KProcess *next_process) {
+                MESOSPHERE_UNUSED(cur_process);
+
                 /* Set the current process pointer. */
                 SetCurrentProcess(next_process);
 
@@ -373,7 +375,7 @@ namespace ams::kern {
             /* Overridden parent functions. */
             virtual bool IsInitialized() const override { return this->is_initialized; }
 
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             virtual void Finalize() override;
 
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_resource_limit.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_resource_limit.hpp
index bfcfcb4fb..286992183 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_resource_limit.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_resource_limit.hpp
@@ -35,7 +35,7 @@ namespace ams::kern {
             constexpr ALWAYS_INLINE KResourceLimit() : limit_values(), current_values(), current_hints(), lock(), waiter_count(), cond_var() { /* ... */ }
             virtual ~KResourceLimit() { /* ... */ }
 
-            static ALWAYS_INLINE void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             void Initialize();
             virtual void Finalize() override;
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_session_request.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_session_request.hpp
index 03f1d6ef6..4d5e232d1 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_session_request.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_session_request.hpp
@@ -174,7 +174,7 @@ namespace ams::kern {
                 }
             }
 
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             constexpr KThread *GetThread() const { return this->thread; }
             constexpr KWritableEvent *GetEvent() const { return this->event; }
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_shared_memory.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_shared_memory.hpp
index 82fb2432e..9bbd33a83 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_shared_memory.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_shared_memory.hpp
@@ -47,7 +47,7 @@ namespace ams::kern {
             virtual void Finalize() override;
 
             virtual bool IsInitialized() const override { return this->is_initialized; }
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             Result Map(KProcessPageTable *table, KProcessAddress address, size_t size, KProcess *process, ams::svc::MemoryPermission map_perm);
             Result Unmap(KProcessPageTable *table, KProcessAddress address, size_t size, KProcess *process);
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp
index bd959c2e7..a7f36f95b 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp
@@ -472,6 +472,7 @@ namespace ams::kern {
             void AddCpuTime(s32 core_id, s64 amount) {
                 this->cpu_time += amount;
                 /* TODO: Debug kernels track per-core tick counts. Should we? */
+                MESOSPHERE_UNUSED(core_id);
             }
 
             s64 GetCpuTime() const { return this->cpu_time; }
diff --git a/libraries/libmesosphere/include/mesosphere/kern_k_writable_event.hpp b/libraries/libmesosphere/include/mesosphere/kern_k_writable_event.hpp
index f67c43979..f3ee813d6 100644
--- a/libraries/libmesosphere/include/mesosphere/kern_k_writable_event.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_writable_event.hpp
@@ -32,7 +32,7 @@ namespace ams::kern {
 
             virtual void Destroy() override;
 
-            static void PostDestroy(uintptr_t arg) { /* ... */ }
+            static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
 
             void Initialize(KEvent *p);
             Result Signal();