diff --git a/Makefile.am.newautomake b/Makefile.am.newautomake
index 57a56d7..d46bb62 100644
--- a/Makefile.am.newautomake
+++ b/Makefile.am.newautomake
@@ -156,4 +156,5 @@ dist-hook:
 	echo >> $(distdir)/docs/README
 	rm -rf `find $(distdir) -name "CVS" -type d`
 	rm -rf `find $(distdir) -name ".svn" -type d`
+	rm -rf $(distdir)/.hg
 
diff --git a/Makefile.am.oldautomake b/Makefile.am.oldautomake
index b807990..230a677 100644
--- a/Makefile.am.oldautomake
+++ b/Makefile.am.oldautomake
@@ -52,3 +52,4 @@ dist-hook:
 	echo >> $(distdir)/docs/README
 	rm -rf `find $(distdir) -name "CVS" -type d`
 	rm -rf `find $(distdir) -name ".svn" -type d`
+	rm -rf $(distdir)/.hg