diff --git a/Marlin/src/sd/cardreader.h b/Marlin/src/sd/cardreader.h
index 0a89bbba78..2219fce68b 100644
--- a/Marlin/src/sd/cardreader.h
+++ b/Marlin/src/sd/cardreader.h
@@ -278,8 +278,8 @@ private:
 
 #if ENABLED(USB_FLASH_DRIVE_SUPPORT)
   #define IS_SD_INSERTED() Sd2Card::isInserted()
-#elif PIN_EXISTS(SD_DETECT)
-  #define IS_SD_INSERTED() (READ(SD_DETECT_PIN) == SD_DETECT_STATE)
+//#elif PIN_EXISTS(SD_DETECT)
+  //#define IS_SD_INSERTED() (READ(SD_DETECT_PIN) == SD_DETECT_STATE)
 #else
   // No card detect line? Assume the card is inserted.
   #define IS_SD_INSERTED() true