diff --git a/src/core/core.cpp b/src/core/core.cpp
index 25c78d33cd..865898b241 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -16,10 +16,10 @@
 
 namespace Core {
 
-u64             g_last_ticks    = 0;        ///< Last CPU ticks
-ARM_Disasm*     g_disasm        = nullptr;  ///< ARM disassembler
-ARM_Interface*  g_app_core      = nullptr;  ///< ARM11 application core
-ARM_Interface*  g_sys_core      = nullptr;  ///< ARM11 system (OS) core
+static u64         last_ticks = 0;        ///< Last CPU ticks
+static ARM_Disasm* disasm     = nullptr;  ///< ARM disassembler
+ARM_Interface*     g_app_core = nullptr;  ///< ARM11 application core
+ARM_Interface*     g_sys_core = nullptr;  ///< ARM11 system (OS) core
 
 /// Run the core CPU loop
 void RunLoop(int tight_loop) {
@@ -49,7 +49,7 @@ void Stop() {
 int Init() {
     NOTICE_LOG(MASTER_LOG, "initialized OK");
 
-    g_disasm = new ARM_Disasm();
+    disasm = new ARM_Disasm();
     g_sys_core = new ARM_Interpreter();
 
     switch (Settings::values.cpu_core) {
@@ -62,13 +62,13 @@ int Init() {
             break;
     }
 
-    g_last_ticks = Core::g_app_core->GetTicks();
+    last_ticks = Core::g_app_core->GetTicks();
 
     return 0;
 }
 
 void Shutdown() {
-    delete g_disasm;
+    delete disasm;
     delete g_app_core;
     delete g_sys_core;
 
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index e15590c498..35ff9a379f 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -71,17 +71,17 @@ public:
 };
 
 // Lists all thread ids that aren't deleted/etc.
-std::vector<Handle> g_thread_queue;
+static std::vector<Handle> thread_queue;
 
 // Lists only ready thread ids.
-Common::ThreadQueueList<Handle> g_thread_ready_queue;
+static Common::ThreadQueueList<Handle> thread_ready_queue;
 
-Handle g_current_thread_handle;
-Thread* g_current_thread;
+static Handle current_thread_handle;
+static Thread* current_thread;
 
 /// Gets the current thread
 inline Thread* GetCurrentThread() {
-    return g_current_thread;
+    return current_thread;
 }
 
 /// Gets the current thread handle
@@ -91,8 +91,8 @@ Handle GetCurrentThreadHandle() {
 
 /// Sets the current thread
 inline void SetCurrentThread(Thread* t) {
-    g_current_thread = t;
-    g_current_thread_handle = t->GetHandle();
+    current_thread = t;
+    current_thread_handle = t->GetHandle();
 }
 
 /// Saves the current CPU context
@@ -131,13 +131,13 @@ void ChangeReadyState(Thread* t, bool ready) {
     Handle handle = t->GetHandle();
     if (t->IsReady()) {
         if (!ready) {
-            g_thread_ready_queue.remove(t->current_priority, handle);
+            thread_ready_queue.remove(t->current_priority, handle);
         }
     }  else if (ready) {
         if (t->IsRunning()) {
-            g_thread_ready_queue.push_front(t->current_priority, handle);
+            thread_ready_queue.push_front(t->current_priority, handle);
         } else {
-            g_thread_ready_queue.push_back(t->current_priority, handle);
+            thread_ready_queue.push_back(t->current_priority, handle);
         }
         t->status = THREADSTATUS_READY;
     }
@@ -195,7 +195,7 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
     s32 priority = THREADPRIO_LOWEST;
 
     // Iterate through threads, find highest priority thread that is waiting to be arbitrated...
-    for (const auto& handle : g_thread_queue) {
+    for (const auto& handle : thread_queue) {
 
         // TODO(bunnei): Verify arbiter address...
         if (!VerifyWait(handle, WAITTYPE_ARB, arbiter))
@@ -218,7 +218,7 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
 void ArbitrateAllThreads(u32 arbiter, u32 address) {
     
     // Iterate through threads, find highest priority thread that is waiting to be arbitrated...
-    for (const auto& handle : g_thread_queue) {
+    for (const auto& handle : thread_queue) {
 
         // TODO(bunnei): Verify arbiter address...
         if (VerifyWait(handle, WAITTYPE_ARB, arbiter))
@@ -265,9 +265,9 @@ Thread* NextThread() {
     Thread* cur = GetCurrentThread();
     
     if (cur && cur->IsRunning()) {
-        next = g_thread_ready_queue.pop_first_better(cur->current_priority);
+        next = thread_ready_queue.pop_first_better(cur->current_priority);
     } else  {
-        next = g_thread_ready_queue.pop_first();
+        next = thread_ready_queue.pop_first();
     }
     if (next == 0) {
         return nullptr;
@@ -306,9 +306,9 @@ void DebugThreadQueue() {
         return;
     }
     INFO_LOG(KERNEL, "0x%02X 0x%08X (current)", thread->current_priority, GetCurrentThreadHandle());
-    for (u32 i = 0; i < g_thread_queue.size(); i++) {
-        Handle handle = g_thread_queue[i];
-        s32 priority = g_thread_ready_queue.contains(handle);
+    for (u32 i = 0; i < thread_queue.size(); i++) {
+        Handle handle = thread_queue[i];
+        s32 priority = thread_ready_queue.contains(handle);
         if (priority != -1) {
             INFO_LOG(KERNEL, "0x%02X 0x%08X", priority, handle);
         }
@@ -326,8 +326,8 @@ Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 prio
 
     handle = Kernel::g_object_pool.Create(thread);
 
-    g_thread_queue.push_back(handle);
-    g_thread_ready_queue.prepare(priority);
+    thread_queue.push_back(handle);
+    thread_ready_queue.prepare(priority);
 
     thread->status = THREADSTATUS_DORMANT;
     thread->entry_point = entry_point;
@@ -405,16 +405,16 @@ Result SetThreadPriority(Handle handle, s32 priority) {
 
     // Change thread priority
     s32 old = thread->current_priority;
-    g_thread_ready_queue.remove(old, handle);
+    thread_ready_queue.remove(old, handle);
     thread->current_priority = priority;
-    g_thread_ready_queue.prepare(thread->current_priority);
+    thread_ready_queue.prepare(thread->current_priority);
 
     // Change thread status to "ready" and push to ready queue
     if (thread->IsRunning()) {
         thread->status = (thread->status & ~THREADSTATUS_RUNNING) | THREADSTATUS_READY;
     }
     if (thread->IsReady()) {
-        g_thread_ready_queue.push_back(thread->current_priority, handle);
+        thread_ready_queue.push_back(thread->current_priority, handle);
     }
 
     return 0;
diff --git a/src/core/hle/service/srv.cpp b/src/core/hle/service/srv.cpp
index 420f53f8f5..df38bd93c2 100644
--- a/src/core/hle/service/srv.cpp
+++ b/src/core/hle/service/srv.cpp
@@ -11,7 +11,7 @@
 
 namespace SRV {
 
-Handle g_event_handle = 0;
+static Handle g_event_handle = 0;
 
 static void Initialize(Service::Interface* self) {
     DEBUG_LOG(OSHLE, "called");
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
index cf12f24d91..74a93b1d92 100644
--- a/src/core/mem_map.cpp
+++ b/src/core/mem_map.cpp
@@ -11,38 +11,38 @@
 
 namespace Memory {
 
-u8*    g_base                   = NULL;         ///< The base pointer to the auto-mirrored arena.
+u8* g_base                      = nullptr;   ///< The base pointer to the auto-mirrored arena.
 
-MemArena g_arena;                               ///< The MemArena class
+static MemArena arena;                       ///< The MemArena class
 
-u8* g_exefs_code                = NULL;         ///< ExeFS:/.code is loaded here
-u8* g_system_mem                = NULL;         ///< System memory
-u8* g_heap                      = NULL;         ///< Application heap (main memory)
-u8* g_heap_gsp                  = NULL;         ///< GSP heap (main memory)
-u8* g_vram                      = NULL;         ///< Video memory (VRAM) pointer
-u8* g_shared_mem                = NULL;         ///< Shared memory
-u8* g_kernel_mem;                               ///< Kernel memory
+u8* g_exefs_code                = nullptr;   ///< ExeFS:/.code is loaded here
+u8* g_system_mem                = nullptr;   ///< System memory
+u8* g_heap                      = nullptr;   ///< Application heap (main memory)
+u8* g_heap_gsp                  = nullptr;   ///< GSP heap (main memory)
+u8* g_vram                      = nullptr;   ///< Video memory (VRAM) pointer
+u8* g_shared_mem                = nullptr;   ///< Shared memory
+u8* g_kernel_mem;                              ///< Kernel memory
 
-u8* g_physical_bootrom          = NULL;         ///< Bootrom physical memory
-u8* g_uncached_bootrom          = NULL;
+static u8* physical_bootrom     = nullptr;   ///< Bootrom physical memory
+static u8* uncached_bootrom     = nullptr;
 
-u8* g_physical_exefs_code       = NULL;         ///< Phsical ExeFS:/.code is loaded here
-u8* g_physical_system_mem       = NULL;         ///< System physical memory
-u8* g_physical_fcram            = NULL;         ///< Main physical memory (FCRAM)
-u8* g_physical_heap_gsp         = NULL;         ///< GSP heap physical memory
-u8* g_physical_vram             = NULL;         ///< Video physical memory (VRAM)
-u8* g_physical_shared_mem       = NULL;         ///< Physical shared memory
-u8* g_physical_kernel_mem;                      ///< Kernel memory
+static u8* physical_exefs_code  = nullptr;   ///< Phsical ExeFS:/.code is loaded here
+static u8* physical_system_mem  = nullptr;   ///< System physical memory
+static u8* physical_fcram       = nullptr;   ///< Main physical memory (FCRAM)
+static u8* physical_heap_gsp    = nullptr;   ///< GSP heap physical memory
+static u8* physical_vram        = nullptr;   ///< Video physical memory (VRAM)
+static u8* physical_shared_mem  = nullptr;   ///< Physical shared memory
+static u8* physical_kernel_mem;              ///< Kernel memory
 
 // We don't declare the IO region in here since its handled by other means.
 static MemoryView g_views[] = {
-    {&g_exefs_code, &g_physical_exefs_code, EXEFS_CODE_VADDR,       EXEFS_CODE_SIZE,    0},
-    {&g_vram,       &g_physical_vram,       VRAM_VADDR,             VRAM_SIZE,          0},
-    {&g_heap,       &g_physical_fcram,      HEAP_VADDR,             HEAP_SIZE,          MV_IS_PRIMARY_RAM},
-    {&g_shared_mem, &g_physical_shared_mem, SHARED_MEMORY_VADDR,    SHARED_MEMORY_SIZE, 0},
-    {&g_system_mem, &g_physical_system_mem, SYSTEM_MEMORY_VADDR,    SYSTEM_MEMORY_SIZE,    0},
-    {&g_kernel_mem, &g_physical_kernel_mem, KERNEL_MEMORY_VADDR,    KERNEL_MEMORY_SIZE, 0},
-    {&g_heap_gsp,   &g_physical_heap_gsp,   HEAP_GSP_VADDR,         HEAP_GSP_SIZE,      0},
+    {&g_exefs_code, &physical_exefs_code, EXEFS_CODE_VADDR,       EXEFS_CODE_SIZE,    0},
+    {&g_vram,       &physical_vram,       VRAM_VADDR,             VRAM_SIZE,          0},
+    {&g_heap,       &physical_fcram,      HEAP_VADDR,             HEAP_SIZE,          MV_IS_PRIMARY_RAM},
+    {&g_shared_mem, &physical_shared_mem, SHARED_MEMORY_VADDR,    SHARED_MEMORY_SIZE, 0},
+    {&g_system_mem, &physical_system_mem, SYSTEM_MEMORY_VADDR,    SYSTEM_MEMORY_SIZE,    0},
+    {&g_kernel_mem, &physical_kernel_mem, KERNEL_MEMORY_VADDR,    KERNEL_MEMORY_SIZE, 0},
+    {&g_heap_gsp,   &physical_heap_gsp,   HEAP_GSP_VADDR,         HEAP_GSP_SIZE,      0},
 };
 
 /*static MemoryView views[] =
@@ -69,18 +69,18 @@ void Init() {
             g_views[i].size = FCRAM_SIZE;
     }
 
-    g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &g_arena);
+    g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &arena);
 
     NOTICE_LOG(MEMMAP, "initialized OK, RAM at %p (mirror at 0 @ %p)", g_heap,
-        g_physical_fcram);
+        physical_fcram);
 }
 
 void Shutdown() {
     u32 flags = 0;
-    MemoryMap_Shutdown(g_views, kNumMemViews, flags, &g_arena);
+    MemoryMap_Shutdown(g_views, kNumMemViews, flags, &arena);
 
-    g_arena.ReleaseSpace();
-    g_base = NULL;
+    arena.ReleaseSpace();
+    g_base = nullptr;
 
     NOTICE_LOG(MEMMAP, "shutdown OK");
 }
diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp
index 90951812bb..443d5ad7ee 100644
--- a/src/core/mem_map_funcs.cpp
+++ b/src/core/mem_map_funcs.cpp
@@ -12,9 +12,9 @@
 
 namespace Memory {
 
-std::map<u32, MemoryBlock> g_heap_map;
-std::map<u32, MemoryBlock> g_heap_gsp_map;
-std::map<u32, MemoryBlock> g_shared_map;
+static std::map<u32, MemoryBlock> heap_map;
+static std::map<u32, MemoryBlock> heap_gsp_map;
+static std::map<u32, MemoryBlock> shared_map;
 
 /// Convert a physical address to virtual address
 VAddr PhysicalToVirtualAddress(const PAddr addr) {
@@ -194,11 +194,11 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
     block.operation     = operation;
     block.permissions   = permissions;
 
-    if (g_heap_map.size() > 0) {
-        const MemoryBlock last_block = g_heap_map.rbegin()->second;
+    if (heap_map.size() > 0) {
+        const MemoryBlock last_block = heap_map.rbegin()->second;
         block.address = last_block.address + last_block.size;
     }
-    g_heap_map[block.GetVirtualAddress()] = block;
+    heap_map[block.GetVirtualAddress()] = block;
 
     return block.GetVirtualAddress();
 }
@@ -217,11 +217,11 @@ u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions) {
     block.operation     = operation;
     block.permissions   = permissions;
 
-    if (g_heap_gsp_map.size() > 0) {
-        const MemoryBlock last_block = g_heap_gsp_map.rbegin()->second;
+    if (heap_gsp_map.size() > 0) {
+        const MemoryBlock last_block = heap_gsp_map.rbegin()->second;
         block.address = last_block.address + last_block.size;
     }
-    g_heap_gsp_map[block.GetVirtualAddress()] = block;
+    heap_gsp_map[block.GetVirtualAddress()] = block;
 
     return block.GetVirtualAddress();
 }