diff --git a/README.rst b/README.rst
index 86c5660417..9a16c001df 100644
--- a/README.rst
+++ b/README.rst
@@ -140,8 +140,7 @@ Behavior
 -  Autoreload is disabled while the REPL is active.
 -  Main is one of these: ``code.txt``, ``code.py``, ``main.py``,
    ``main.txt``
--  Boot is one of these: ``settings.txt``, ``settings.py``, ``boot.py``,
-   ``boot.txt``
+-  Boot is one of these: ``boot.py``, ``boot.txt``
 
 API
 ~~~
diff --git a/main.c b/main.c
index c6801dca7d..13caf4beb7 100755
--- a/main.c
+++ b/main.c
@@ -631,7 +631,7 @@ STATIC void __attribute__ ((noinline)) run_boot_py(safe_mode_t safe_mode) {
         && safe_mode == NO_SAFE_MODE
         && MP_STATE_VM(vfs_mount_table) != NULL;
 
-    static const char * const boot_py_filenames[] = STRING_LIST("settings.txt", "settings.py", "boot.py", "boot.txt");
+    static const char * const boot_py_filenames[] = STRING_LIST("boot.py", "boot.txt");
     bool skip_boot_output = false;
 
     if (ok_to_run) {