diff --git a/rtl/vlib/xlib/tb/.gitignore b/rtl/vlib/xlib/tb/.gitignore
deleted file mode 100644
index 88b78b4a..00000000
--- a/rtl/vlib/xlib/tb/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-tb_dcm_sfs
diff --git a/rtl/vlib/xlib/tb/Makefile b/rtl/vlib/xlib/tb/Makefile
deleted file mode 100644
index c943bbd6..00000000
--- a/rtl/vlib/xlib/tb/Makefile
+++ /dev/null
@@ -1,39 +0,0 @@
-# $Id: Makefile 733 2016-02-20 12:24:13Z mueller $
-#
-#  Revision History: 
-# Date         Rev Version  Comment
-# 2014-07-27   545   1.1.1  make reference board configurable via XTW_BOARD
-# 2011-08-13   405   1.1    use includes from rtl/make
-# 2010-11-07   337   1.0    Initial version
-#
-EXE_all  = tb_dcm_sfs
-#
-# reference board for test synthesis is Spartan-6 based Nexys3
-ifndef XTW_BOARD
-  XTW_BOARD=nexys3
-endif
-include ${RETROBASE}/rtl/make_ise/xflow_default_$(XTW_BOARD).mk
-#
-.PHONY : all all_ssim all_tsim clean
-#
-all      : $(EXE_all)
-all_ssim : $(EXE_all:=_ssim)
-all_tsim : $(EXE_all:=_tsim)
-#
-clean : ise_clean ghdl_clean isim_clean
-#
-#-----
-#
-include ${RETROBASE}/rtl/make_ise/generic_ghdl.mk
-include ${RETROBASE}/rtl/make_ise/generic_isim.mk
-include ${RETROBASE}/rtl/make_ise/generic_xflow.mk
-#
-VBOM_all = $(wildcard *.vbom)
-#
-ifndef DONTINCDEP
-include $(VBOM_all:.vbom=.dep_xst)
-include $(VBOM_all:.vbom=.dep_ghdl)
-include $(VBOM_all:.vbom=.dep_isim)
-include $(wildcard *.o.dep_ghdl)
-endif
-#