From 0a280f00c2e1d0a59791fbefeca578ca9ef73f6e Mon Sep 17 00:00:00 2001
From: Tanguy Pruvot <tpruvot@users.noreply.github.com>
Date: Sat, 24 Aug 2019 05:21:30 +0200
Subject: [PATCH] Flag unused variables without buzzer (#15016)

---
 Marlin/src/lcd/menu/menu.cpp          | 2 ++
 Marlin/src/lcd/menu/menu_advanced.cpp | 1 +
 platformio.ini                        | 2 +-
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/lcd/menu/menu.cpp b/Marlin/src/lcd/menu/menu.cpp
index 34e01b09c3..5f6db8196d 100644
--- a/Marlin/src/lcd/menu/menu.cpp
+++ b/Marlin/src/lcd/menu/menu.cpp
@@ -453,12 +453,14 @@ void scroll_screen(const uint8_t limit, const bool is_menu) {
     #if HAS_BUZZER
       ui.completion_feedback(saved);
     #endif
+    UNUSED(saved);
   }
   void lcd_load_settings() {
     const bool loaded = settings.load();
     #if HAS_BUZZER
       ui.completion_feedback(loaded);
     #endif
+    UNUSED(loaded);
   }
 #endif
 
diff --git a/Marlin/src/lcd/menu/menu_advanced.cpp b/Marlin/src/lcd/menu/menu_advanced.cpp
index a6bfea688b..0d8a562d9a 100644
--- a/Marlin/src/lcd/menu/menu_advanced.cpp
+++ b/Marlin/src/lcd/menu/menu_advanced.cpp
@@ -608,6 +608,7 @@ void menu_backlash();
           #if HAS_BUZZER
             ui.completion_feedback(inited);
           #endif
+          UNUSED(inited);
         },
         ui.goto_previous_screen,
         PSTR(MSG_INIT_EEPROM), nullptr, PSTR("?")
diff --git a/platformio.ini b/platformio.ini
index f3da5f9f62..6cd3110f14 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -366,7 +366,7 @@ build_flags   = !python Marlin/src/HAL/HAL_STM32F1/STM32F1_flag_script.py
 build_unflags = -std=gnu++11 -DCONFIG_MAPLE_MINI_NO_DISABLE_DEBUG=1
 src_filter    = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
 lib_deps      = ${common.lib_deps}
-lib_ignore    = Adafruit NeoPixel, SPI
+lib_ignore    = Adafruit NeoPixel, LiquidTWI2, SPI
 
 #
 # MKS Robin (STM32F103ZET6)