diff --git a/include/wx/mac/carbon/private.h b/include/wx/mac/carbon/private.h
index 9e57b5f43a..3f20c40076 100644
--- a/include/wx/mac/carbon/private.h
+++ b/include/wx/mac/carbon/private.h
@@ -97,15 +97,8 @@ class WXDLLEXPORT wxMacPortSaver
     DECLARE_NO_COPY_CLASS(wxMacPortSaver)
 
 public:
-    wxMacPortSaver( GrafPtr port )
-    {
-        ::GetPort( &m_port ) ;
-        ::SetPort( port ) ;
-    }
-    ~wxMacPortSaver()
-    {
-        ::SetPort( m_port ) ;
-    }
+    wxMacPortSaver( GrafPtr port );
+    ~wxMacPortSaver();
 private :
     GrafPtr m_port ;
 } ;
diff --git a/src/mac/carbon/utils.cpp b/src/mac/carbon/utils.cpp
index 0a18f998c2..24cf97cdd4 100644
--- a/src/mac/carbon/utils.cpp
+++ b/src/mac/carbon/utils.cpp
@@ -1584,4 +1584,15 @@ CGColorSpaceRef wxMacGetGenericRGBColorSpace()
 }
 #endif
 
+wxMacPortSaver::wxMacPortSaver( GrafPtr port )
+{
+    ::GetPort( &m_port ) ;
+    ::SetPort( port ) ;
+}
+
+wxMacPortSaver::~wxMacPortSaver()
+{
+    ::SetPort( m_port ) ;
+}
+
 #endif // wxUSE_GUI