diff --git a/Marlin/src/core/serial.h b/Marlin/src/core/serial.h
index a5afb9d895..ee6c0e6eae 100644
--- a/Marlin/src/core/serial.h
+++ b/Marlin/src/core/serial.h
@@ -67,7 +67,7 @@ extern uint8_t marlin_debug_flags;
 // Serial redirection
 //
 // Step 1: Find out what the first serial leaf is
-#if BOTH(HAS_MULTI_SERIAL, SERIAL_CATCHALL)
+#if HAS_MULTI_SERIAL && defined(SERIAL_CATCHALL)
   #define _SERIAL_LEAF_1 MYSERIAL
 #else
   #define _SERIAL_LEAF_1 MYSERIAL1
diff --git a/Marlin/src/lcd/dwin/e3v2/dwin.cpp b/Marlin/src/lcd/dwin/e3v2/dwin.cpp
index 9aea68dfcb..114590a043 100644
--- a/Marlin/src/lcd/dwin/e3v2/dwin.cpp
+++ b/Marlin/src/lcd/dwin/e3v2/dwin.cpp
@@ -2417,13 +2417,15 @@ void Draw_HomeOff_Menu() {
 #include "../../../libs/buzzer.h"
 
 void HMI_AudioFeedback(const bool success=true) {
-  if (success) {
-    buzzer.tone(100, 659);
-    buzzer.tone(10, 0);
-    buzzer.tone(100, 698);
-  }
-  else
-    buzzer.tone(40, 440);
+  #if HAS_BUZZER
+    if (success) {
+      buzzer.tone(100, 659);
+      buzzer.tone(10, 0);
+      buzzer.tone(100, 698);
+    }
+    else
+      buzzer.tone(40, 440);
+  #endif
 }
 
 /* Prepare */
diff --git a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/leveling_menu.cpp b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/leveling_menu.cpp
index 57c8a7505c..6718fe0a41 100644
--- a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/leveling_menu.cpp
+++ b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/leveling_menu.cpp
@@ -23,9 +23,9 @@
 #include "../config.h"
 #include "../screens.h"
 
-#ifdef COCOA_LEVELING_MENU
+#if ENABLED(COCOA_LEVELING_MENU)
 
-#if BOTH(HAS_BED_PROBE,BLTOUCH)
+#if BOTH(HAS_BED_PROBE, BLTOUCH)
   #include "../../../../feature/bltouch.h"
 #endif
 
diff --git a/Marlin/src/lcd/extui/ui_api.cpp b/Marlin/src/lcd/extui/ui_api.cpp
index 7173790262..4ef96251bc 100644
--- a/Marlin/src/lcd/extui/ui_api.cpp
+++ b/Marlin/src/lcd/extui/ui_api.cpp
@@ -1057,7 +1057,7 @@ namespace ExtUI {
     return isPrinting() && (isPrintingFromMediaPaused() || print_job_timer.isPaused());
   }
 
-  bool isMediaInserted() { return TERN0(SDSUPPORT, IS_SD_INSERTED() && card.isMounted()); }
+  bool isMediaInserted() { return TERN0(SDSUPPORT, IS_SD_INSERTED()); }
 
   void pausePrint()  { ui.pause_print(); }
   void resumePrint() { ui.resume_print(); }
diff --git a/Marlin/src/pins/ramps/pins_RAMPS.h b/Marlin/src/pins/ramps/pins_RAMPS.h
index c2d4dbeb3f..71e4c13fd6 100644
--- a/Marlin/src/pins/ramps/pins_RAMPS.h
+++ b/Marlin/src/pins/ramps/pins_RAMPS.h
@@ -655,7 +655,9 @@
 
       #define BEEPER_PIN             EXP1_10_PIN
       #define BTN_ENC                EXP1_09_PIN
-      #define SD_DETECT_PIN          EXP2_04_PIN
+      #ifndef SD_DETECT_PIN
+        #define SD_DETECT_PIN        EXP2_04_PIN
+      #endif
 
       #ifndef KILL_PIN
         #define KILL_PIN             EXP2_03_PIN
diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h
index a8be2cfc07..63ad06dc57 100644
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h
@@ -172,8 +172,13 @@
 //
 // Misc. Functions
 //
-#define LED_CONTROL_PIN                     PA13
+#define CASE_LIGHT_PIN                      PA13
 
 #ifndef NEOPIXEL_PIN
   #define NEOPIXEL_PIN                      PA8
 #endif
+
+#define SUICIDE_PIN                         PC13
+#ifndef SUICIDE_PIN_INVERTING
+  #define SUICIDE_PIN_INVERTING             false
+#endif