diff --git a/t/pytest.do b/t/pytest.do
index 7680156..781a784 100644
--- a/t/pytest.do
+++ b/t/pytest.do
@@ -1,2 +1,3 @@
 exec >&2
+[ -n "$DO_BUILT" ] && exit 0  # not relevant in minimal/do
 python tstate.py
diff --git a/test.do b/test.do
index 1c272d4..bab832a 100644
--- a/test.do
+++ b/test.do
@@ -1,2 +1,3 @@
 redo-ifchange _all
 redo t/test
+[ -n "$DO_BUILT" ] || echo "Don't forget to test 'minimal/do test'" >&2