diff --git a/tests/Makefile.am b/tests/Makefile.am
index 82bc10d8..c6bf2fed 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -55,7 +55,6 @@ TESTSUITE = $(srcdir)/testsuite
 
 AUTOTEST = $(AUTOM4TE) --language=autotest
 $(TESTSUITE): package.m4 $(TESTSUITE_AT)
-	echo "WARNING: Multiple inclusion warning should be ignored." >&2
 	$(AUTOTEST) -I $(srcdir) testsuite.at -o $@.tmp
 	mv $@.tmp $@