diff --git a/moo/moopython/pygtk/Makefile.incl b/moo/moopython/pygtk/Makefile.incl
index c193b3fc..00c6f2fe 100644
--- a/moo/moopython/pygtk/Makefile.incl
+++ b/moo/moopython/pygtk/Makefile.incl
@@ -31,16 +31,12 @@ if MOO_OS_WIN32
 codegen_platform = --platform win32
 endif
 
-if MOO_DEV_MODE
-
 built_moo_python_sources += moopython/pygtk/moo.defs
 moopython/pygtk/moo.defs: $(gendefs_files) $(top_srcdir)/api/moo.xml Makefile
 	$(AM_V_at)$(MKDIR_P) moopython/pygtk
 	$(AM_V_GEN)$(PYTHON) $(top_srcdir)/api/gendefs.py $(top_srcdir)/api/moo.xml > moopython/pygtk/moo.defs.tmp
 	$(AM_V_at)mv moopython/pygtk/moo.defs.tmp moopython/pygtk/moo.defs
 
-endif
-
 codegen_files =						\
 	$(srcdir)/moopython/codegen/codegen.py		\
 	$(srcdir)/moopython/codegen/argtypes.py		\