diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 8db8e5f21..351dc24f2 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -50,7 +50,7 @@ Thread* GetCurrentThread() {
 }
 
 /// Resets a thread
-void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
+static void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
     memset(&t->context, 0, sizeof(Core::ThreadContext));
 
     t->context.cpu_registers[0] = arg;
@@ -72,7 +72,7 @@ void ResetThread(Thread* t, u32 arg, s32 lowest_priority) {
 }
 
 /// Change a thread to "ready" state
-void ChangeReadyState(Thread* t, bool ready) {
+static void ChangeReadyState(Thread* t, bool ready) {
     if (t->IsReady()) {
         if (!ready) {
             thread_ready_queue.remove(t->current_priority, t);
@@ -122,7 +122,7 @@ void Thread::Stop(const char* reason) {
 }
 
 /// Changes a threads state
-void ChangeThreadState(Thread* t, ThreadStatus new_status) {
+static void ChangeThreadState(Thread* t, ThreadStatus new_status) {
     if (!t || t->status == new_status) {
         return;
     }
@@ -174,7 +174,7 @@ void ArbitrateAllThreads(Object* arbiter, u32 address) {
 }
 
 /// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields)
-void CallThread(Thread* t) {
+static void CallThread(Thread* t) {
     // Stop waiting
     if (t->wait_type != WAITTYPE_NONE) {
         t->wait_type = WAITTYPE_NONE;
@@ -183,7 +183,7 @@ void CallThread(Thread* t) {
 }
 
 /// Switches CPU context to that of the specified thread
-void SwitchContext(Thread* t) {
+static void SwitchContext(Thread* t) {
     Thread* cur = GetCurrentThread();
 
     // Save context for current thread
@@ -207,7 +207,7 @@ void SwitchContext(Thread* t) {
 }
 
 /// Gets the next thread that is ready to be run by priority
-Thread* NextThread() {
+static Thread* NextThread() {
     Thread* next;
     Thread* cur = GetCurrentThread();
 
@@ -245,7 +245,7 @@ void Thread::ResumeFromWait() {
 }
 
 /// Prints the thread queue for debugging purposes
-void DebugThreadQueue() {
+static void DebugThreadQueue() {
     Thread* thread = GetCurrentThread();
     if (!thread) {
         return;