diff --git a/README.org b/README.org
index 8e9fdbb..824307c 100644
--- a/README.org
+++ b/README.org
@@ -1540,7 +1540,7 @@ Configure email with iCalendar event support, to integrate with
                                (setq-local
                                 python-check-command
                                 (cond
-                                 ((executable-find "mypy" t) "mypy --check-untyped-defs --warn-unreachable --show-error-codes --ignore-missing-imports")
+                                 ((executable-find "mypy" t) "mypy --check-untyped-defs --show-error-codes")
                                  (t "pyflakes"))
                                 python-flymake-command
                                 (cond