diff --git a/Marlin/src/HAL/DUE/inc/SanityCheck.h b/Marlin/src/HAL/DUE/inc/SanityCheck.h
index 1eaa2fbd8c7..599e2aa464d 100644
--- a/Marlin/src/HAL/DUE/inc/SanityCheck.h
+++ b/Marlin/src/HAL/DUE/inc/SanityCheck.h
@@ -68,16 +68,15 @@
  * Usually the hardware SPI pins are only available to the LCD. This makes the DUE hard SPI used at the same time
  * as the TMC2130 soft SPI the most common setup.
  */
-#define _IS_HW_SPI(P) (defined(TMC_SPI_##P) && (TMC_SPI_##P == SD_MOSI_PIN || TMC_SPI_##P == SD_MISO_PIN || TMC_SPI_##P == SD_SCK_PIN))
-
 #if HAS_MEDIA && HAS_DRIVER(TMC2130)
-  #if ENABLED(TMC_USE_SW_SPI)
-    #if DISABLED(SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
-      #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
-    #endif
-  #elif ENABLED(SOFTWARE_SPI)
+  #define _IS_HW_SPI(P) (defined(TMC_SPI_##P) && (TMC_SPI_##P == SD_MOSI_PIN || TMC_SPI_##P == SD_MISO_PIN || TMC_SPI_##P == SD_SCK_PIN))
+  #if DISABLED(SOFTWARE_SPI) && ENABLED(TMC_USE_SW_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
+    #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
+  #endif
+  #if ENABLED(SOFTWARE_SPI) && DISABLED(TMC_USE_SW_SPI)
     #error "DUE software SPI is required but is incompatible with TMC2130 hardware SPI. Enable TMC_USE_SW_SPI to fix."
   #endif
+  #undef _IS_HW_SPI
 #endif
 
 #if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_FREQUENCY
diff --git a/Marlin/src/HAL/DUE/spi_pins.h b/Marlin/src/HAL/DUE/spi_pins.h
index 41ac7a8b582..7f0b1290b1d 100644
--- a/Marlin/src/HAL/DUE/spi_pins.h
+++ b/Marlin/src/HAL/DUE/spi_pins.h
@@ -24,7 +24,7 @@
 /**
  * Define SPI Pins: SCK, MISO, MOSI, SS
  *
- * Available chip select pins for HW SPI are 4 10 52 77
+ * Available chip select pins for HW SPI are 4 10 52 77 87
  */
 #if SDSS == 4 || SDSS == 10 || SDSS == 52 || SDSS == 77 || SDSS == 87
   #if SDSS == 4
diff --git a/Marlin/src/HAL/LINUX/spi_pins.h b/Marlin/src/HAL/LINUX/spi_pins.h
index 607b9642815..4139c8f898b 100644
--- a/Marlin/src/HAL/LINUX/spi_pins.h
+++ b/Marlin/src/HAL/LINUX/spi_pins.h
@@ -28,12 +28,6 @@
                         // spiBeginTransaction.
 #endif
 
-// Onboard SD
-//#define SD_SCK_PIN     P0_07
-//#define SD_MISO_PIN    P0_08
-//#define SD_MOSI_PIN    P0_09
-//#define SD_SS_PIN      P0_06
-
 // External SD
 #ifndef SD_SCK_PIN
   #define SD_SCK_PIN        50
diff --git a/Marlin/src/HAL/LPC1768/spi_pins.h b/Marlin/src/HAL/LPC1768/spi_pins.h
index 295d6462fd9..e52f78a7cb8 100644
--- a/Marlin/src/HAL/LPC1768/spi_pins.h
+++ b/Marlin/src/HAL/LPC1768/spi_pins.h
@@ -28,12 +28,13 @@
                         // spiBeginTransaction.
 #endif
 
-/** onboard SD card */
-//#define SD_SCK_PIN        P0_07
-//#define SD_MISO_PIN       P0_08
-//#define SD_MOSI_PIN       P0_09
-//#define SD_SS_PIN         P0_06
-/** external */
+// Onboard SD
+//#define SD_SCK_PIN     P0_07
+//#define SD_MISO_PIN    P0_08
+//#define SD_MOSI_PIN    P0_09
+//#define SD_SS_PIN      P0_06
+
+// External SD
 #ifndef SD_SCK_PIN
   #define SD_SCK_PIN        P0_15
 #endif