diff --git a/Mac/Modules/qd/Qdmodule.c b/Mac/Modules/qd/Qdmodule.c
index ca434f0a0ef6..c65448eb3e83 100644
--- a/Mac/Modules/qd/Qdmodule.c
+++ b/Mac/Modules/qd/Qdmodule.c
@@ -521,7 +521,7 @@ typedef struct QDGlobalsAccessObject {
 	PyObject_HEAD
 } QDGlobalsAccessObject;
 
-static PyObject *QDGA_New()
+static PyObject *QDGA_New(void)
 {
 	QDGlobalsAccessObject *it;
 	it = PyObject_NEW(QDGlobalsAccessObject, &QDGlobalsAccess_Type);
diff --git a/Mac/Modules/qd/qdsupport.py b/Mac/Modules/qd/qdsupport.py
index 87e108018232..cd6282b08114 100644
--- a/Mac/Modules/qd/qdsupport.py
+++ b/Mac/Modules/qd/qdsupport.py
@@ -450,7 +450,7 @@ def outputStructMembers(self):
 		pass
 	def outputNew(self):
 		Output()
-		Output("%sPyObject *%s_New()", self.static, self.prefix)
+		Output("%sPyObject *%s_New(void)", self.static, self.prefix)
 		OutLbrace()
 		Output("%s *it;", self.objecttype)
 		Output("it = PyObject_NEW(%s, &%s);", self.objecttype, self.typename)
diff --git a/Mac/Modules/snd/Sndmodule.c b/Mac/Modules/snd/Sndmodule.c
index dea89ed31850..a561a9560159 100644
--- a/Mac/Modules/snd/Sndmodule.c
+++ b/Mac/Modules/snd/Sndmodule.c
@@ -351,7 +351,7 @@ typedef struct SPBObject {
 	SPB ob_spb;
 } SPBObject;
 
-static PyObject *SPBObj_New()
+static PyObject *SPBObj_New(void)
 {
 	SPBObject *it;
 	it = PyObject_NEW(SPBObject, &SPB_Type);
diff --git a/Mac/Modules/snd/sndsupport.py b/Mac/Modules/snd/sndsupport.py
index d0b8c8bde00f..dcaa654158bd 100644
--- a/Mac/Modules/snd/sndsupport.py
+++ b/Mac/Modules/snd/sndsupport.py
@@ -244,7 +244,7 @@ def outputStructMembers(self):
 
 	def outputNew(self):
 		Output()
-		Output("%sPyObject *%s_New()", self.static, self.prefix)
+		Output("%sPyObject *%s_New(void)", self.static, self.prefix)
 		OutLbrace()
 		Output("%s *it;", self.objecttype)
 		self.outputCheckNewArg()