diff --git a/man/Makefile.am b/man/Makefile.am
index 66863db58c..d39f5bb023 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -1,24 +1,20 @@
+man_MANS =
+CLEANFILES =
 
 if ENABLE_DOC
 
 XSLTPROC = xsltproc --xinclude --nonet
 
-GENERATED_FILES = nm-settings.xml nm-settings.5
-
 nm-settings.5: nm-settings.xml
 	$(XSLTPROC) $(top_srcdir)/tools/manpages-docbook.xsl $(builddir)/nm-settings.xml
+CLEANFILES += nm-settings.5
 
 nm-settings.xml: $(top_builddir)/tools/generate-settings-spec $(top_builddir)/libnm-util/libnm-util.la
 	rm -f $(builddir)/$@
 	$(top_builddir)/tools/generate-settings-spec refentry $(builddir)/$@
+CLEANFILES += nm-settings.xml
 
-else
-
-GENERATED_FILES =
-
-endif
-
-man_MANS =				\
+man_MANS +=				\
 	NetworkManager.8		\
 	NetworkManager.conf.5		\
 	nm-system-settings.conf.5	\
@@ -27,14 +23,12 @@ man_MANS =				\
 	nmcli.1				\
 	nm-settings.5
 
+endif
+
 EXTRA_DIST =				\
-	$(man_MANS)			\
 	NetworkManager.8.in		\
 	NetworkManager.conf.5.in	\
 	nm-system-settings.conf.5.in	\
 	nm-tool.1.in			\
 	nm-online.1.in			\
 	nmcli.1.in
-
-CLEANFILES = $(man_MANS) $(GENERATED_FILES)
-