diff --git a/src/Backends/Audio/WiiU-Software.cpp b/src/Backends/Audio/WiiU-Software.cpp
index fa973492..fe6e7915 100644
--- a/src/Backends/Audio/WiiU-Software.cpp
+++ b/src/Backends/Audio/WiiU-Software.cpp
@@ -192,8 +192,7 @@ bool AudioBackend_Init(void)
 
 							AXVoiceDeviceMixData mix_data[6];
 							memset(mix_data, 0, sizeof(mix_data));
-							mix_data[0].bus[0].volume = i == 0 ? 0x8000 : 0;	// Channel 1 goes on the left speaker
-							mix_data[1].bus[0].volume = i == 1 ? 0x8000 : 0;	// Channel 2 goes on the right speaker
+							mix_data[i].bus[0].volume = 0x8000;	// Voice 1 goes on the left speaker - voice 2 goes on the right speaker
 
 							AXSetVoiceDeviceMix(voices[i], AX_DEVICE_TYPE_DRC, 0, mix_data);
 							AXSetVoiceDeviceMix(voices[i], AX_DEVICE_TYPE_TV, 0, mix_data);
@@ -243,11 +242,13 @@ bool AudioBackend_Init(void)
 
 void AudioBackend_Deinit(void)
 {
-	for (unsigned int i = 0; i < 2; ++i)
-	{
-		AXFreeVoice(voices[i]);
-		free(stream_buffers[i]);
-	}
+	AXRegisterAppFrameCallback(NULL);
+
+	AXFreeVoice(voices[1]);
+	AXFreeVoice(voices[0]);
+
+	free(stream_buffers[1]);
+	free(stream_buffers[0]);
 
 	free(stream_buffer_long);
 
diff --git a/src/Bullet.cpp b/src/Bullet.cpp
index a65e43fb..f3a95bb3 100644
--- a/src/Bullet.cpp
+++ b/src/Bullet.cpp
@@ -1,5 +1,6 @@
 #include "Bullet.h"
 
+#include <stddef.h>
 #include <string.h>
 
 #include "WindowsWrapper.h"
diff --git a/src/Draw.cpp b/src/Draw.cpp
index 5b492b9d..55e0fc49 100644
--- a/src/Draw.cpp
+++ b/src/Draw.cpp
@@ -568,7 +568,7 @@ void CortBox2(const RECT *rect, unsigned long col, SurfaceID surf_no)
 
 // Dummied-out log function
 // According to the Mac port, its name really is just "out".
-static BOOL out(int unknown)
+BOOL out(int unknown)
 {
 	char unknown2[0x100];
 	int unknown3;
diff --git a/src/Ending.cpp b/src/Ending.cpp
index 130f1836..b2b9c3be 100644
--- a/src/Ending.cpp
+++ b/src/Ending.cpp
@@ -1,5 +1,6 @@
 #include "Ending.h"
 
+#include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/MyChar.cpp b/src/MyChar.cpp
index 035f9407..b477006f 100644
--- a/src/MyChar.cpp
+++ b/src/MyChar.cpp
@@ -1,5 +1,6 @@
 #include "MyChar.h"
 
+#include <stddef.h>
 #include <string.h>
 
 #include "WindowsWrapper.h"
diff --git a/src/MycParam.cpp b/src/MycParam.cpp
index 969f4419..318630d6 100644
--- a/src/MycParam.cpp
+++ b/src/MycParam.cpp
@@ -1,5 +1,6 @@
 #include "MycParam.h"
 
+#include <stddef.h>
 #include <stdio.h>
 #include <string>
 
diff --git a/src/NpcAct120.cpp b/src/NpcAct120.cpp
index 2f61bf63..5bfc1eb0 100644
--- a/src/NpcAct120.cpp
+++ b/src/NpcAct120.cpp
@@ -1,5 +1,6 @@
 #include "NpcAct.h"
 
+#include <stddef.h>
 #include <stdio.h>
 
 #include "WindowsWrapper.h"
diff --git a/src/TextScr.cpp b/src/TextScr.cpp
index e3ba2079..fb60b619 100644
--- a/src/TextScr.cpp
+++ b/src/TextScr.cpp
@@ -1,5 +1,6 @@
 #include "TextScr.h"
 
+#include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>