diff --git a/common/include/PS2Edefs.h b/common/include/PS2Edefs.h
index 352aa05a3a..9c5b4093e2 100644
--- a/common/include/PS2Edefs.h
+++ b/common/include/PS2Edefs.h
@@ -455,36 +455,6 @@ extern _PADqueryMtap PADqueryMtap;
 extern _PADWriteEvent PADWriteEvent;
 #endif
 
-// SPU2
-#ifndef BUILTIN_SPU2_PLUGIN
-extern _SPU2open SPU2open;
-extern _SPU2reset SPU2reset;
-extern _SPU2ps1reset SPU2ps1reset;
-extern _SPU2write SPU2write;
-extern _SPU2read SPU2read;
-
-extern _SPU2readDMA4Mem SPU2readDMA4Mem;
-extern _SPU2writeDMA4Mem SPU2writeDMA4Mem;
-extern _SPU2interruptDMA4 SPU2interruptDMA4;
-extern _SPU2readDMA7Mem SPU2readDMA7Mem;
-extern _SPU2writeDMA7Mem SPU2writeDMA7Mem;
-extern _SPU2setDMABaseAddr SPU2setDMABaseAddr;
-extern _SPU2interruptDMA7 SPU2interruptDMA7;
-extern _SPU2ReadMemAddr SPU2ReadMemAddr;
-extern _SPU2setupRecording SPU2setupRecording;
-extern _SPU2WriteMemAddr SPU2WriteMemAddr;
-extern _SPU2irqCallback SPU2irqCallback;
-
-extern _SPU2irqCallback SPU2irqCallback;
-
-extern _SPU2setupRecording SPU2setupRecording;
-
-extern _SPU2setClockPtr SPU2setClockPtr;
-extern _SPU2setTimeStretcher SPU2setTimeStretcher;
-
-extern _SPU2async SPU2async;
-#endif
-
 // DEV9
 #ifndef BUILTIN_DEV9_PLUGIN
 extern _DEV9open DEV9open;
diff --git a/pcsx2/CMakeLists.txt b/pcsx2/CMakeLists.txt
index fce4ea9afe..d128d8ec3c 100644
--- a/pcsx2/CMakeLists.txt
+++ b/pcsx2/CMakeLists.txt
@@ -249,6 +249,7 @@ set(pcsx2SPU2Sources
     SPU2/Linux/ConfigDebug.cpp
     SPU2/Linux/ConfigSoundTouch.cpp
     SPU2/Linux/Dialogs.cpp
+    SPU2/wx/wxConfig.cpp
     )
 
 # SPU2 headers
@@ -269,6 +270,7 @@ set(pcsx2SPU2Headers
     SPU2/Linux/Alsa.h
     SPU2/Linux/Config.h
     SPU2/Linux/Dialogs.h
+    SPU2/wx/wxConfig.h
 )
 
 # DebugTools sources
@@ -768,6 +770,9 @@ set(pcsx2FinalLibs
     ${ZLIB_LIBRARIES}
     ${AIO_LIBRARIES}
     ${GCOV_LIBRARIES}
+    ${ALSA_LIBRARIES}
+    ${SOUNDTOUCH_LIBRARIES}
+    ${SDL2_LIBRARIES}
     ${Platform_Libs}
 )
 
diff --git a/pcsx2/SPU2/Config.h b/pcsx2/SPU2/Config.h
index bb1695affb..cc7376267e 100644
--- a/pcsx2/SPU2/Config.h
+++ b/pcsx2/SPU2/Config.h
@@ -15,8 +15,11 @@
  * along with SPU2-X.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 #pragma once
 
+#include "Global.h"
+
 extern bool DebugEnabled;
 
 extern bool _MsgToConsole;
@@ -99,4 +102,4 @@ extern void ApplySettings(soundtouch::SoundTouch &sndtouch);
 
 extern void ReadSettings();
 extern void WriteSettings();
-extern void configure();
\ No newline at end of file
+extern void configure();
diff --git a/pcsx2/SPU2/Global.h b/pcsx2/SPU2/Global.h
index bdb367b4bb..cd49b47805 100644
--- a/pcsx2/SPU2/Global.h
+++ b/pcsx2/SPU2/Global.h
@@ -15,8 +15,7 @@
  * along with SPU2-X.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _SPU2X_GLOBAL_H_
-#define _SPU2X_GLOBAL_H_
+#pragma once 
 
 #define NOMINMAX
 
@@ -104,4 +103,3 @@ extern void SysMessage(const wchar_t *fmt, ...);
 #include "Debug.h"
 #include "SndOut.h"
 
-#endif
diff --git a/pcsx2/SPU2/spu2.cpp b/pcsx2/SPU2/spu2.cpp
index 983a2be2e4..d5d5d0c1dc 100644
--- a/pcsx2/SPU2/spu2.cpp
+++ b/pcsx2/SPU2/spu2.cpp
@@ -26,6 +26,8 @@
 
 using namespace Threading;
 
+MutexRecursive  mtx_SPU2Status;
+
 #include "svnrev.h"
 
 #ifdef _MSC_VER
diff --git a/pcsx2/SPU2/spu2.h b/pcsx2/SPU2/spu2.h
index db3a9d4a3b..d019419a20 100644
--- a/pcsx2/SPU2/spu2.h
+++ b/pcsx2/SPU2/spu2.h
@@ -21,7 +21,7 @@
 #include "Utilities/Threading.h"
 #include "SaveState.h"
 
-Threading::MutexRecursive  mtx_SPU2Status;
+extern Threading::MutexRecursive  mtx_SPU2Status;
 
 s32 SPU2init();
 s32 SPU2reset();
diff --git a/pcsx2/SPU2/wx/wxConfig.cpp b/pcsx2/SPU2/wx/wxConfig.cpp
index 4ad43e586a..bbc86176e0 100644
--- a/pcsx2/SPU2/wx/wxConfig.cpp
+++ b/pcsx2/SPU2/wx/wxConfig.cpp
@@ -15,7 +15,11 @@
  * along with SPU2-X.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "Global.h"
+#include "../Config.h"
+#ifdef __linux__
+#include "../Linux/Config.h"
+#endif
+#include "../Global.h"
 #include "wxConfig.h"
 
 MixerTab::MixerTab(wxWindow* parent)
diff --git a/pcsx2/SPU2/wx/wxConfig.h b/pcsx2/SPU2/wx/wxConfig.h
index c1bbacdf9b..21113b43db 100644
--- a/pcsx2/SPU2/wx/wxConfig.h
+++ b/pcsx2/SPU2/wx/wxConfig.h
@@ -14,6 +14,7 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with SPU2-X.  If not, see <http://www.gnu.org/licenses/>.
  */
+#pragma once
 
 #include <wx/wx.h>
 #include <wx/panel.h>