diff --git a/dlls/MMDevAPI/Exports.def b/dlls/MMDevAPI/Exports.def
index d34dde4..cbca4dd 100644
--- a/dlls/MMDevAPI/Exports.def
+++ b/dlls/MMDevAPI/Exports.def
@@ -1,7 +1,10 @@
 LIBRARY	MMDevAPI
 EXPORTS
 	ActivateAudioInterfaceAsync	 =  ActivateAudioInterfaceAsync_X		
+	DisableBitstreamOut			 =	DisableBitstreamOut_X		
 	DllCanUnloadNow				 =	DllCanUnloadNow_X					
 	DllGetClassObject			 =	DllGetClassObject_X					
+	EnableSpatialAudio			 =	EnableSpatialAudio_X		
 	RefreshWasapiDeviceList		 =	RefreshWasapiDeviceList_X			
+	RestoreBitstreamOut			 =	RestoreBitstreamOut_X		
 	SetWasapiThreadAffinityMask	 =	SetWasapiThreadAffinityMask_X		
diff --git a/dlls/MMDevAPI/MMDevAPI.cpp b/dlls/MMDevAPI/MMDevAPI.cpp
index 831157c..05834f9 100644
--- a/dlls/MMDevAPI/MMDevAPI.cpp
+++ b/dlls/MMDevAPI/MMDevAPI.cpp
@@ -6,6 +6,11 @@ void ActivateAudioInterfaceAsync_X()
 
 }
 
+void DisableBitstreamOut_X()
+{
+
+}
+
 void DllCanUnloadNow_X()
 {
 
@@ -16,11 +21,21 @@ void DllGetClassObject_X()
 
 }
 
+void EnableSpatialAudio_X()
+{
+
+}
+
 void RefreshWasapiDeviceList_X()
 {
 
 }
 
+void RestoreBitstreamOut_X()
+{
+
+}
+
 void SetWasapiThreadAffinityMask_X()
 {