diff --git a/configure.ac b/configure.ac
index 64b05e89f2e9f613cea3d328557c245fe6228bf9..325be9e927e548962b794bdbd8638933873cee30 100644
--- a/configure.ac
+++ b/configure.ac
@@ -142,7 +142,6 @@ AC_CONFIG_FILES([Makefile
          grid/uggrid/Makefile
          grid/yaspgrid/Makefile
          istl/Makefile
-         istl/doc/Makefile
          istl/tutorial/Makefile
 	 istl/test/Makefile
 	 istl/paamg/Makefile