--- a/python/core/qgscoordinatetransform.sip
+++ b/python/core/qgscoordinatetransform.sip
@@ -15,7 +15,6 @@
 class QgsCoordinateTransform : QObject
 {
 %TypeHeaderCode
-extern PyObject *sipExportedExceptions__core[2];  // workaround: sipExportedExceptions__core is only defined in the first sip part
 #include <qgscoordinatetransform.h>
 %End