diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index a24c2f69f..7e0b9542e 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -20,10 +20,10 @@ SharedPtr<Thread> g_main_thread = nullptr;
 HandleTable g_handle_table;
 u64 g_program_id = 0;
 
-void WaitObject::AddWaitingThread(Thread* thread) {
+void WaitObject::AddWaitingThread(SharedPtr<Thread> thread) {
     auto itr = std::find(waiting_threads.begin(), waiting_threads.end(), thread);
     if (itr == waiting_threads.end())
-        waiting_threads.push_back(thread);
+        waiting_threads.push_back(std::move(thread));
 }
 
 void WaitObject::RemoveWaitingThread(Thread* thread) {
@@ -32,11 +32,11 @@ void WaitObject::RemoveWaitingThread(Thread* thread) {
         waiting_threads.erase(itr);
 }
 
-Thread* WaitObject::WakeupNextThread() {
+SharedPtr<Thread> WaitObject::WakeupNextThread() {
     if (waiting_threads.empty())
         return nullptr;
 
-    auto next_thread = waiting_threads.front();
+    auto next_thread = std::move(waiting_threads.front());
     waiting_threads.erase(waiting_threads.begin());
 
     next_thread->ReleaseWaitObject(this);
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index bf5b47a61..4d8e388b6 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -136,25 +136,26 @@ public:
      * Add a thread to wait on this object
      * @param thread Pointer to thread to add
      */
-    void AddWaitingThread(Thread* thread);
+    void AddWaitingThread(SharedPtr<Thread> thread);
 
     /**
      * Removes a thread from waiting on this object (e.g. if it was resumed already)
      * @param thread Pointer to thread to remove
      */
-    void RemoveWaitingThread(Thread* thead);
+    void RemoveWaitingThread(Thread* thread);
 
     /**
      * Wake up the next thread waiting on this object
      * @return Pointer to the thread that was resumed, nullptr if no threads are waiting
      */
-    Thread* WakeupNextThread();
+    SharedPtr<Thread> WakeupNextThread();
 
     /// Wake up all threads waiting on this object
     void WakeupAllWaitingThreads();
 
 private:
-    std::vector<Thread*> waiting_threads; ///< Threads waiting for this object to become available
+    /// Threads waiting for this object to become available
+    std::vector<SharedPtr<Thread>> waiting_threads;
 };
 
 /**
@@ -275,7 +276,6 @@ private:
 };
 
 extern HandleTable g_handle_table;
-extern SharedPtr<Thread> g_main_thread;
 
 /// The ID code of the currently running game
 /// TODO(Subv): This variable should not be here, 
diff --git a/src/core/hle/kernel/mutex.cpp b/src/core/hle/kernel/mutex.cpp
index c6ad5ca91..7c634f9bd 100644
--- a/src/core/hle/kernel/mutex.cpp
+++ b/src/core/hle/kernel/mutex.cpp
@@ -66,7 +66,7 @@ void Mutex::Acquire() {
     Acquire(GetCurrentThread());
 }
 
-void Mutex::Acquire(Thread* thread) {
+void Mutex::Acquire(SharedPtr<Thread> thread) {
     _assert_msg_(Kernel, !ShouldWait(), "object unavailable!");
     if (locked)
         return;
@@ -74,7 +74,7 @@ void Mutex::Acquire(Thread* thread) {
     locked = true;
 
     thread->held_mutexes.insert(this);
-    holding_thread = thread;
+    holding_thread = std::move(thread);
 }
 
 void Mutex::Release() {
diff --git a/src/core/hle/kernel/mutex.h b/src/core/hle/kernel/mutex.h
index 21fd26e56..cdd79e265 100644
--- a/src/core/hle/kernel/mutex.h
+++ b/src/core/hle/kernel/mutex.h
@@ -43,7 +43,7 @@ public:
     * @param mutex Mutex that is to be acquired
     * @param thread Thread that will acquire the mutex
     */
-    void Acquire(Thread* thread);
+    void Acquire(SharedPtr<Thread> thread);
     void Release();
 
 private:
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 9ad53b8cf..f092916dd 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -110,6 +110,9 @@ void Thread::Stop(const char* reason) {
     WakeupAllWaitingThreads();
 
     // Stopped threads are never waiting.
+    for (auto& wait_object : wait_objects) {
+        wait_object->RemoveWaitingThread(this);
+    }
     wait_objects.clear();
     wait_address = 0;
 }
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index 980c2613a..633bb7c98 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -134,6 +134,8 @@ private:
     Handle callback_handle;
 };
 
+extern SharedPtr<Thread> g_main_thread;
+
 /// Sets up the primary application thread
 SharedPtr<Thread> SetupMainThread(s32 priority, u32 stack_size);