diff --git a/06_uart_chainloader/README.md b/06_uart_chainloader/README.md
index 2674bf63..1d3a6d4e 100644
--- a/06_uart_chainloader/README.md
+++ b/06_uart_chainloader/README.md
@@ -495,7 +495,7 @@ diff -uNr 05_drivers_gpio_uart/src/main.rs 06_uart_chainloader/src/main.rs
 diff -uNr 05_drivers_gpio_uart/tests/qemu_minipush.rb 06_uart_chainloader/tests/qemu_minipush.rb
 --- 05_drivers_gpio_uart/tests/qemu_minipush.rb
 +++ 06_uart_chainloader/tests/qemu_minipush.rb
-@@ -0,0 +1,82 @@
+@@ -0,0 +1,80 @@
 +# frozen_string_literal: true
 +
 +# SPDX-License-Identifier: MIT OR Apache-2.0
@@ -550,8 +550,6 @@ diff -uNr 05_drivers_gpio_uart/tests/qemu_minipush.rb 06_uart_chainloader/tests/
 +        quit_qemu_graceful
 +    end
 +
-+    public
-+
 +    # override
 +    def connetion_reset; end
 +
diff --git a/06_uart_chainloader/tests/qemu_minipush.rb b/06_uart_chainloader/tests/qemu_minipush.rb
index 36a8abda..73857cd6 100644
--- a/06_uart_chainloader/tests/qemu_minipush.rb
+++ b/06_uart_chainloader/tests/qemu_minipush.rb
@@ -52,8 +52,6 @@ class QEMUMiniPush < MiniPush
         quit_qemu_graceful
     end
 
-    public
-
     # override
     def connetion_reset; end
 
diff --git a/07_timestamps/README.md b/07_timestamps/README.md
index 1701ebf6..de94f00d 100644
--- a/07_timestamps/README.md
+++ b/07_timestamps/README.md
@@ -722,7 +722,7 @@ diff -uNr 06_uart_chainloader/src/time.rs 07_timestamps/src/time.rs
 diff -uNr 06_uart_chainloader/tests/qemu_minipush.rb 07_timestamps/tests/qemu_minipush.rb
 --- 06_uart_chainloader/tests/qemu_minipush.rb
 +++ 07_timestamps/tests/qemu_minipush.rb
-@@ -1,82 +0,0 @@
+@@ -1,80 +0,0 @@
 -# frozen_string_literal: true
 -
 -# SPDX-License-Identifier: MIT OR Apache-2.0
@@ -777,8 +777,6 @@ diff -uNr 06_uart_chainloader/tests/qemu_minipush.rb 07_timestamps/tests/qemu_mi
 -        quit_qemu_graceful
 -    end
 -
--    public
--
 -    # override
 -    def connetion_reset; end
 -