--- Makefile.orig	2018-06-10 19:59:04 UTC
+++ Makefile
@@ -27,9 +27,7 @@ default: subdirs
 
 # the sub-directories
 SUBDIRS =    \
-	ngs-sdk \
-	ngs-java \
-	ngs-python \
+	ngs-sdk
 
 SUBDIRS_CLN = \
 	$(addsuffix _cln,$(SUBDIRS))