diff --git a/doc/manual-src/en/Makefile.am b/doc/manual-src/en/Makefile.am
index e354286b..c2b14037 100644
--- a/doc/manual-src/en/Makefile.am
+++ b/doc/manual-src/en/Makefile.am
@@ -14,7 +14,7 @@ ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) -c
 # Configurations for aria2.
 man_MANS = $(BUILDDIR)/man/aria2c.1
 EXTRA_DIST = $(man_MANS) aria2c.rst libaria2.rst index.rst README.rst\
-	technical-notes.rst _static/default2.css mkapiref.py
+	technical-notes.rst mkapiref.py
 
 if HAVE_SPHINXBUILD
 $(man_MANS): aria2c.rst
diff --git a/doc/manual-src/pt/Makefile.am b/doc/manual-src/pt/Makefile.am
index 9c8503d2..7c9fb629 100644
--- a/doc/manual-src/pt/Makefile.am
+++ b/doc/manual-src/pt/Makefile.am
@@ -14,7 +14,7 @@ ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) -c
 # Configurations for aria2.
 mandir = @mandir@/pt
 man_MANS = $(BUILDDIR)/man/aria2c.1
-EXTRA_DIST = $(man_MANS) aria2c.rst index.rst README.rst _static/default2.css
+EXTRA_DIST = $(man_MANS) aria2c.rst index.rst README.rst
 
 if HAVE_SPHINXBUILD
 $(man_MANS): aria2c.rst
diff --git a/doc/manual-src/ru/Makefile.am b/doc/manual-src/ru/Makefile.am
index 6e240f51..18ec0bac 100644
--- a/doc/manual-src/ru/Makefile.am
+++ b/doc/manual-src/ru/Makefile.am
@@ -14,7 +14,7 @@ ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) -c
 # Configurations for aria2.
 mandir = @mandir@/ru
 man_MANS = $(BUILDDIR)/man/aria2c.1
-EXTRA_DIST = $(man_MANS) aria2c.rst index.rst _static/default2.css
+EXTRA_DIST = $(man_MANS) aria2c.rst index.rst
 
 if HAVE_SPHINXBUILD
 $(man_MANS): aria2c.rst
diff --git a/src/Makefile.am b/src/Makefile.am
index a6f5508c..0daa5c01 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -140,7 +140,6 @@ SRCS =  option_processing.cc\
 	PostDownloadHandler.h\
 	PreDownloadHandler.h\
 	SingletonHolder.h\
-	TrueRequestGroupCriteria.h\
 	a2algo.h\
 	a2functional.h\
 	a2io.h\