diff -urNp a/Makefile.in b/Makefile.in
--- a/Makefile.in	2018-08-14 14:12:46.853533879 +0200
+++ b/Makefile.in	2018-08-14 14:14:03.522336821 +0200
@@ -45,11 +45,6 @@ graphvizfilterdir = $(filtersdir)/graphv
 graphvizfilterconf = filters/graphviz/graphviz-filter.conf
 graphvizfilterconfdir = $(filtersdir)/graphviz
 
-musicfilter = filters/music/music2png.py
-musicfilterdir = $(filtersdir)/music
-musicfilterconf = filters/music/music-filter.conf
-musicfilterconfdir = $(filtersdir)/music
-
 sourcefilterconf = filters/source/source-highlight-filter.conf
 sourcefilterconfdir = $(filtersdir)/source
 
@@ -86,8 +81,8 @@ iconsdir = $(ASCIIDOCCONF)/images/icons
 
 doc = $(wildcard README*) $(wildcard BUGS*) $(wildcard INSTALL*) $(wildcard CHANGELOG*)
 
-DATATARGETS = manp conf docbook dblatex css js callouts icons codefilterconf musicfilterconf sourcefilterconf graphvizfilterconf latexfilterconf flasktheme volnitskytheme
-PROGTARGETS = prog codefilter musicfilter graphvizfilter latexfilter
+DATATARGETS = manp conf docbook dblatex css js callouts icons codefilterconf sourcefilterconf graphvizfilterconf latexfilterconf flasktheme volnitskytheme
+PROGTARGETS = prog codefilter graphvizfilter latexfilter
 TARGETS = $(DATATARGETS) $(PROGTARGETS) doc
 
 INSTDIRS = $(TARGETS:%=%dir)