diff --git a/tests/basics/exception_chain.py b/tests/basics/exception_chain.py
index 14dd6dfbad..cf19f04950 100644
--- a/tests/basics/exception_chain.py
+++ b/tests/basics/exception_chain.py
@@ -1,6 +1,13 @@
 # Exception chaining is not supported, but check that basic
 # exception works as expected.
 
+import sys
+
+# The unix minimal build doesn't enable MICROPY_WARNINGS (required for this test).
+if getattr(sys.implementation, "_build", None) == "minimal":
+    print("SKIP")
+    raise SystemExit
+
 try:
     raise Exception from None
 except Exception:
diff --git a/tests/basics/self_type_check.py b/tests/basics/self_type_check.py
index 947e362cdb..c182afd783 100644
--- a/tests/basics/self_type_check.py
+++ b/tests/basics/self_type_check.py
@@ -1,5 +1,13 @@
 # make sure type of first arg (self) to a builtin method is checked
 
+import sys
+
+# Minimal builds usually don't enable MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG,
+# which is required for this test.
+if getattr(sys.implementation, "_build", None) == "minimal":
+    print("SKIP")
+    raise SystemExit
+
 list.append
 
 try: