--- Makefile.am
+++ Makefile.am
@@ -1,6 +1,3 @@
 SUBDIRS = src src/tools
 
 EXTRA_DIST = data/autocorrect/fi_FI.xml data/autocorrect/autocorrect.dtd
-
-ACLOCAL_AMFLAGS = -I m4
-
--- configure.ac
+++ configure.ac
@@ -21,7 +21,6 @@
 AC_INIT([libvoikko],[2.1],[hatapitk@iki.fi])
 AC_CONFIG_HEADERS(config.h)
 AM_INIT_AUTOMAKE([1.10 foreign])
-AC_CONFIG_MACRO_DIR([m4])
 
 dnl Checks for programs
 AC_PROG_CXX