diff --git a/system/makefile b/system/makefile
index 2678b017fd60504e83ec84cf0208d26559a49f65..f0a782eaf3ada5a44ed273885df6973558900e8a 100644
--- a/system/makefile
+++ b/system/makefile
@@ -420,27 +420,6 @@ compile_all_code: bootrom debugtester
 	  fi ; \
 	done
 
-# ------- document with v2html -----------
-
-# 
-#	rm -Rf *
-#	../tools/v2html -f $(VERILOG_DIR)/v2html_M0.vc -ht cmsdk_mcu_system
-#	cp -p tb_cmsdk_mcu.v.html hierarchy.html
-
-v2html: bootrom
-	echo building HTML tree
-	@if [ ! -d $(NANOSOC_HTML_DIR)/build ] ; then \
-	  mkdir $(NANOSOC_HTML_DIR)/build; \
-	fi
-	@(cd $(NANOSOC_HTML_DIR)/build; \
-	rm *.html; rm *.gif; rm *.gz; \
-	$(PROJECT_DIR)/flow/filelist_compile.py -f $(PROJECT_DIR)/flist/project/system.flist -o $(PROJECT_DIR)/flist/tmp/system.flist ; \
-	$(PROJECT_DIR)/flow/v2html/v2html -f $(PROJECT_DIR)/flist/tmp/system.flist -ht nanosoc_chip ; \
-	cp -p nanosoc_tb.v.html hierarchy.html ; \
-	cd $(SIM_DIR) ; )
-	gtar zcvf $(NANOSOC_HTML_DIR)/v2html_doc.tgz $(NANOSOC_HTML_DIR)/build
-
-
 # Remove all software compilation results
 clean_all_code:
 	@(cd $(NANOSOC_SW_DIR)/debug_tester ; make clean; )