diff --git a/make/py-defs.mk b/make/py-defs.mk
index 2f1d3d55..df1a6713 100644
--- a/make/py-defs.mk
+++ b/make/py-defs.mk
@@ -74,8 +74,6 @@ export PYTHONPATH
 #PY_MODULES                 ?= $(PY_PROJ_MODULES)
 #PY_PROJ_MODULES            += $(dir $(wildcard $(PY_MODULE_DIRS)/*/__init__.py))
 
-PY_DEFS_MK_INCLUDED         := true
-
 ifneq ($(PY_DEFS_MK_INCLUDED),true)
 all:
 clean: pyc.clean
@@ -93,10 +91,12 @@ echo-py:
 	#@echo "PY_MODULE_DIRS         = $(PY_MODULE_DIRS)"
 
 pyc.clean:
-	$(RM) -f $(wildcard *.pyc) __pycache__
+	$(RM) -rf $(wildcard *.pyc) __pycache__
 libpath: py-libpath
 py-libpath:
 	@echo export PYTHONPATH=$(PYTHONPATH)
 endif
 
+PY_DEFS_MK_INCLUDED         := true
+
 include $(JWBDIR)/make/ldlibpath.mk