diff --git a/Makefile.am b/Makefile.am
index 9e7a40b..96235a8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -246,6 +246,8 @@ CLEANFILES =                                    \
   $(bin_SCRIPTS)                                \
   $(FULL_TESTS:tests/%.sh=tests/%.log)          \
   $(FULL_TESTS:tests/%.sh=tests/%.trs)          \
+  $(FULL_TESTS:tests/%.sh=tests/%.1)            \
+  $(FULL_TESTS:tests/%.sh=tests/%.2)            \
   $(UNIT_TESTS:tests/%.scm=tests/%.log)         \
   $(UNIT_TESTS:tests/%.scm=tests/%.trs)