diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index f43ea40d5f..17cd6cfbc1 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -29,22 +29,18 @@
 #if ENABLED(CARTESIO_UI)
 
   #define DOGLCD
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
   #define DEFAULT_LCD_CONTRAST 90
   #define LCD_CONTRAST_MIN 60
   #define LCD_CONTRAST_MAX 140
 
-#elif ENABLED(MAKRPANEL)
-
-  #define U8GLIB_ST7565_64128N
-
 #elif ENABLED(ZONESTAR_LCD)
 
   #define ADC_KEYPAD
-  #define REPRAPWORLD_KEYPAD
+  #define IS_RRW_KEYPAD
   #define REPRAPWORLD_KEYPAD_MOVE_STEP 10.0
   #define ADC_KEY_NUM 8
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
 
   // This helps to implement ADC_KEYPAD menus
   #define REVERSE_MENU_DIRECTION
@@ -53,22 +49,18 @@
   #define ENCODER_FEEDRATE_DEADZONE 2
 
 #elif ENABLED(RADDS_DISPLAY)
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
   #define ENCODER_PULSES_PER_STEP 2
 
-#elif ENABLED(ANET_FULL_GRAPHICS_LCD)
+#elif EITHER(ANET_FULL_GRAPHICS_LCD, BQ_LCD_SMART_CONTROLLER)
 
-  #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-
-#elif ENABLED(BQ_LCD_SMART_CONTROLLER)
-
-  #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+  #define IS_RRD_FG_SC
 
 #elif ANY(miniVIKI, VIKI2, ELB_FULL_GRAPHIC_CONTROLLER, AZSMZ_12864)
 
-  #define ULTRA_LCD
+  #define IS_ULTRA_LCD
   #define DOGLCD
-  #define ULTIMAKERCONTROLLER
+  #define IS_ULTIPANEL
 
   #if ENABLED(miniVIKI)
     #define LCD_CONTRAST_MIN      75
@@ -95,24 +87,24 @@
 
 #elif ENABLED(OLED_PANEL_TINYBOY2)
 
-  #define U8GLIB_SSD1306
-  #define ULTIPANEL
+  #define IS_U8GLIB_SSD1306
+  #define IS_ULTIPANEL
 
 #elif ENABLED(RA_CONTROL_PANEL)
 
   #define LCD_I2C_TYPE_PCA8574
   #define LCD_I2C_ADDRESS 0x27   // I2C Address of the port expander
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
 
 #elif ENABLED(REPRAPWORLD_GRAPHICAL_LCD)
 
   #define DOGLCD
   #define U8GLIB_ST7920
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
 
 #elif ENABLED(CR10_STOCKDISPLAY)
 
-  #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+  #define IS_RRD_FG_SC
   #ifndef ST7920_DELAY_1
     #define ST7920_DELAY_1 DELAY_NS(125)
   #endif
@@ -125,13 +117,13 @@
 
 #elif ENABLED(MKS_12864OLED)
 
-  #define REPRAP_DISCOUNT_SMART_CONTROLLER
+  #define IS_RRD_SC
   #define U8GLIB_SH1106
 
 #elif ENABLED(MKS_12864OLED_SSD1306)
 
-  #define REPRAP_DISCOUNT_SMART_CONTROLLER
-  #define U8GLIB_SSD1306
+  #define IS_RRD_SC
+  #define IS_U8GLIB_SSD1306
 
 #elif ENABLED(MKS_MINI_12864)
 
@@ -143,12 +135,12 @@
 
   #define FYSETC_MINI_12864
   #define DOGLCD
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
   #define LCD_CONTRAST_MIN 0
   #define LCD_CONTRAST_MAX 255
   #define DEFAULT_LCD_CONTRAST 220
   #define LED_COLORS_REDUCE_GREEN
-  #if (HAS_POWER_SWITCH && EITHER(FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1))
+  #if HAS_POWER_SWITCH && EITHER(FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1)
     #define LED_BACKLIGHT_TIMEOUT 10000
   #endif
 
@@ -167,17 +159,8 @@
     #define NEOPIXEL_STARTUP_TEST
   #endif
 
-#endif
+#elif ENABLED(ULTI_CONTROLLER)
 
-#if EITHER(MAKRPANEL, MINIPANEL)
-  #define DOGLCD
-  #define ULTIPANEL
-  #ifndef DEFAULT_LCD_CONTRAST
-    #define DEFAULT_LCD_CONTRAST 17
-  #endif
-#endif
-
-#if ENABLED(ULTI_CONTROLLER)
   #define U8GLIB_SSD1309
   #define LCD_RESET_PIN LCD_PINS_D6 //  This controller need a reset pin
   #define LCD_CONTRAST_MIN 0
@@ -185,42 +168,53 @@
   #define DEFAULT_LCD_CONTRAST 127
   #define ENCODER_PULSES_PER_STEP 2
   #define ENCODER_STEPS_PER_MENU_ITEM 2
-#endif
-
-// 128x64 I2C OLED LCDs - SSD1306/SSD1309/SH1106
-#define HAS_SSD1306_OLED_I2C ANY(U8GLIB_SSD1306, U8GLIB_SSD1309, U8GLIB_SH1106)
-#if HAS_SSD1306_OLED_I2C
-  #define ULTRA_LCD
-  #define DOGLCD
-#endif
-
-#if EITHER(PANEL_ONE, U8GLIB_SH1106)
-
-  #define ULTIMAKERCONTROLLER
 
 #elif ENABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602)
 
-  #define REPRAP_DISCOUNT_SMART_CONTROLLER
+  #define IS_RRD_SC
   #define LCD_WIDTH 16
   #define LCD_HEIGHT 2
 
 #endif
 
+#if ENABLED(IS_RRD_FG_SC)
+  #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+#endif
+
+#if EITHER(MAKRPANEL, MINIPANEL)
+  #define IS_ULTIPANEL
+  #define DOGLCD
+  #if ENABLED(MAKRPANEL)
+    #define U8GLIB_ST7565_64128N
+  #endif
+  #ifndef DEFAULT_LCD_CONTRAST
+    #define DEFAULT_LCD_CONTRAST 17
+  #endif
+#endif
+
+#if ENABLED(IS_U8GLIB_SSD1306)
+  #define U8GLIB_SSD1306
+#endif
+
+// 128x64 I2C OLED LCDs - SSD1306/SSD1309/SH1106
+#define HAS_SSD1306_OLED_I2C ANY(U8GLIB_SSD1306, U8GLIB_SSD1309, U8GLIB_SH1106)
+#if HAS_SSD1306_OLED_I2C
+  #define IS_ULTRA_LCD
+  #define DOGLCD
+#endif
+
 #if ANY(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER, LCD_FOR_MELZI, SILVER_GATE_GLCD_CONTROLLER)
   #define DOGLCD
   #define U8GLIB_ST7920
+  #define IS_RRD_SC
+#endif
+
+#if ENABLED(IS_RRD_SC)
   #define REPRAP_DISCOUNT_SMART_CONTROLLER
 #endif
 
-#if ANY(ULTIMAKERCONTROLLER, REPRAP_DISCOUNT_SMART_CONTROLLER, G3D_PANEL, RIGIDBOT_PANEL, ULTI_CONTROLLER)
-  #define ULTIPANEL
-#endif
-
-#if ENABLED(REPRAPWORLD_KEYPAD)
-  #define NEWPANEL
-  #if ENABLED(ULTIPANEL) && !defined(REPRAPWORLD_KEYPAD_MOVE_STEP)
-    #define REPRAPWORLD_KEYPAD_MOVE_STEP 1.0
-  #endif
+#if ANY(ULTIMAKERCONTROLLER, REPRAP_DISCOUNT_SMART_CONTROLLER, G3D_PANEL, RIGIDBOT_PANEL, ULTI_CONTROLLER, PANEL_ONE, U8GLIB_SH1106)
+  #define IS_ULTIPANEL
 #endif
 
 /**
@@ -230,7 +224,7 @@
  // Einstart OLED has Cardinal nav via pins defined in pins_EINSTART-S.h
  #if ENABLED(U8GLIB_SH1106_EINSTART)
    #define DOGLCD
-   #define ULTIPANEL
+   #define IS_ULTIPANEL
  #endif
 
  /**
@@ -238,7 +232,7 @@
   */
  #if ENABLED(MKS_ROBIN_TFT)
    #define DOGLCD
-   #define ULTIPANEL
+   #define IS_ULTIPANEL
  #endif
 
 /**
@@ -262,7 +256,7 @@
   #define LCD_I2C_TYPE_MCP23017
   #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
   #define LCD_USE_I2C_BUZZER   // Enable buzzer on LCD (optional)
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
 
 #elif ENABLED(LCD_I2C_VIKI)
 
@@ -277,7 +271,7 @@
   #define LCD_I2C_TYPE_MCP23017
   #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
   #define LCD_USE_I2C_BUZZER   // Enable buzzer on LCD (requires LiquidTWI2 v1.2.3 or later)
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
 
   #define ENCODER_FEEDRATE_DEADZONE 4
 
@@ -289,7 +283,7 @@
   #define STD_ENCODER_PULSES_PER_STEP 2
   #define STD_ENCODER_STEPS_PER_MENU_ITEM 1
 
-#elif ANY(miniVIKI, VIKI2, ELB_FULL_GRAPHIC_CONTROLLER, AZSMZ_12864, OLED_PANEL_TINYBOY2, BQ_LCD_SMART_CONTROLLER, LCD_I2C_PANELOLU2, REPRAP_DISCOUNT_SMART_CONTROLLER)
+#elif ANY(REPRAP_DISCOUNT_SMART_CONTROLLER, miniVIKI, VIKI2, ELB_FULL_GRAPHIC_CONTROLLER, AZSMZ_12864, OLED_PANEL_TINYBOY2, BQ_LCD_SMART_CONTROLLER, LCD_I2C_PANELOLU2)
 
   #define STD_ENCODER_PULSES_PER_STEP 4
   #define STD_ENCODER_STEPS_PER_MENU_ITEM 1
@@ -318,21 +312,41 @@
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection
 #if ENABLED(FF_INTERFACEBOARD)
   #define SR_LCD_3W_NL    // Non latching 3 wire shift register
-  #define ULTIPANEL
-#endif
-
-#if ENABLED(SAV_3DLCD)
+  #define IS_ULTIPANEL
+#elif ENABLED(SAV_3DLCD)
   #define SR_LCD_2W_NL    // Non latching 2 wire shift register
-  #define ULTIPANEL
+  #define IS_ULTIPANEL
 #endif
 
+#if ENABLED(IS_ULTIPANEL)
+  #define ULTIPANEL
+#endif
 #if ENABLED(ULTIPANEL)
-  #define NEWPANEL        // Disable if there's actually no click-encoder panel
+  #define IS_ULTRA_LCD
+  #ifndef NEWPANEL
+    #define NEWPANEL
+  #endif
+#endif
+
+#if ENABLED(IS_ULTRA_LCD)
   #define ULTRA_LCD
 #endif
 
+#if ENABLED(IS_RRW_KEYPAD)
+  #define REPRAPWORLD_KEYPAD
+#endif
+
+// Keypad needs a move step
+#if ENABLED(REPRAPWORLD_KEYPAD)
+  #define NEWPANEL
+  #ifndef REPRAPWORLD_KEYPAD_MOVE_STEP
+    #define REPRAPWORLD_KEYPAD_MOVE_STEP 1.0
+  #endif
+#endif
+
 // Extensible UI serial touch screens. (See src/lcd/extensible_ui)
-#if EITHER(DGUS_LCD, MALYAN_LCD)
+#if EITHER(MALYAN_LCD, DGUS_LCD)
+  #define IS_EXTUI
   #define EXTENSIBLE_UI
 #endif
 
@@ -342,8 +356,7 @@
 #define HAS_GRAPHICAL_LCD    ENABLED(DOGLCD)
 #define HAS_CHARACTER_LCD   (HAS_SPI_LCD && !HAS_GRAPHICAL_LCD)
 #define HAS_LCD_MENU        (ENABLED(ULTIPANEL) && DISABLED(NO_LCD_MENUS))
-
-#define HAS_ADC_BUTTONS     ENABLED(ADC_KEYPAD)
+#define HAS_ADC_BUTTONS      ENABLED(ADC_KEYPAD)
 
 /**
  * Default LCD contrast for Graphical LCD displays
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 9b970ff0ed..b0f5df911e 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1832,76 +1832,68 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 
 /**
  * Make sure only one display is enabled
- *
- * Note: BQ_LCD_SMART_CONTROLLER => REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
- *       REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER => REPRAP_DISCOUNT_SMART_CONTROLLER
- *       SAV_3DGLCD => U8GLIB_SH1106 => ULTIMAKERCONTROLLER
- *       MKS_12864OLED => U8GLIB_SH1106 => ULTIMAKERCONTROLLER
- *       MKS_12864OLED_SSD1306 => U8GLIB_SSD1306 => ULTIMAKERCONTROLLER
- *       MKS_MINI_12864 => MINIPANEL
- *       miniVIKI => ULTIMAKERCONTROLLER
- *       VIKI2 => ULTIMAKERCONTROLLER
- *       ELB_FULL_GRAPHIC_CONTROLLER => ULTIMAKERCONTROLLER
- *       AZSMZ_12864 => ULTIMAKERCONTROLLER
- *       PANEL_ONE => ULTIMAKERCONTROLLER
  */
 #if 1 < 0 \
-  + (     ENABLED(ULTIMAKERCONTROLLER) \
-      && DISABLED(SAV_3DGLCD) \
-      && DISABLED(miniVIKI) \
-      && DISABLED(VIKI2) \
-      && DISABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
-      && DISABLED(AZSMZ_12864) \
-      && DISABLED(PANEL_ONE) \
-      && DISABLED(MKS_12864OLED) \
-      && DISABLED(MKS_12864OLED_SSD1306) ) \
-  + (     ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER) \
-      && DISABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) \
-      && DISABLED(LCD_FOR_MELZI) \
-      && DISABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602) \
-      && DISABLED(MKS_12864OLED) \
-      && DISABLED(MKS_12864OLED_SSD1306) ) \
-  + (ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) && DISABLED(BQ_LCD_SMART_CONTROLLER)) \
-  + ENABLED(LCD_FOR_MELZI) \
-  + ENABLED(MKS_12864OLED) \
-  + ENABLED(MKS_12864OLED_SSD1306) \
-  + ENABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602) \
-  + ENABLED(CARTESIO_UI) \
-  + ENABLED(PANEL_ONE) \
-  + ENABLED(MAKRPANEL) \
-  + ENABLED(REPRAPWORLD_GRAPHICAL_LCD) \
-  + ENABLED(VIKI2) \
-  + ENABLED(miniVIKI) \
-  + ENABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
-  + ENABLED(AZSMZ_12864) \
-  + ENABLED(G3D_PANEL) \
+  + (ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER) && DISABLED(IS_RRD_SC)) \
+  + (ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) && DISABLED(IS_RRD_FG_SC)) \
+  + (ENABLED(ULTRA_LCD) && DISABLED(IS_ULTRA_LCD)) \
+  + (ENABLED(U8GLIB_SSD1306) && DISABLED(IS_U8GLIB_SSD1306)) \
   + (ENABLED(MINIPANEL) && DISABLED(MKS_MINI_12864)) \
-  + ENABLED(MKS_MINI_12864) \
-  + ENABLED(FYSETC_MINI_12864_X_X) \
-  + ENABLED(FYSETC_MINI_12864_1_2) \
-  + ENABLED(FYSETC_MINI_12864_2_0) \
-  + ENABLED(FYSETC_MINI_12864_2_1) \
-  + (ENABLED(REPRAPWORLD_KEYPAD) && NONE(CARTESIO_UI, ZONESTAR_LCD)) \
+  + (ENABLED(REPRAPWORLD_KEYPAD) && DISABLED(IS_RRW_KEYPAD)) \
+  + (ENABLED(EXTENSIBLE_UI) && DISABLED(IS_EXTUI))
+  + (ENABLED(ULTIPANEL) && DISABLED(IS_ULTIPANEL)) \
+  + ENABLED(RADDS_DISPLAY) \
+  + ENABLED(ULTIMAKERCONTROLLER) \
+  + ENABLED(PANEL_ONE) \
+  + ENABLED(G3D_PANEL) \
   + ENABLED(RIGIDBOT_PANEL) \
+  + ENABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602) \
+  + ENABLED(ZONESTAR_LCD) \
   + ENABLED(RA_CONTROL_PANEL) \
   + ENABLED(LCD_SAINSMART_I2C_1602) \
   + ENABLED(LCD_SAINSMART_I2C_2004) \
   + ENABLED(LCM1602) \
   + ENABLED(LCD_I2C_PANELOLU2) \
   + ENABLED(LCD_I2C_VIKI) \
-  + (ENABLED(U8GLIB_SSD1306) && NONE(OLED_PANEL_TINYBOY2, MKS_12864OLED_SSD1306)) \
   + ENABLED(SAV_3DLCD) \
+  + ENABLED(FF_INTERFACEBOARD) \
+  + ENABLED(REPRAPWORLD_GRAPHICAL_LCD) \
+  + ENABLED(VIKI2) \
+  + ENABLED(miniVIKI) \
+  + ENABLED(MAKRPANEL) \
+  + ENABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
   + ENABLED(BQ_LCD_SMART_CONTROLLER) \
+  + ENABLED(CARTESIO_UI) \
+  + ENABLED(LCD_FOR_MELZI) \
+  + ENABLED(ULTI_CONTROLLER) \
+  + ENABLED(MKS_MINI_12864) \
+  + ENABLED(FYSETC_MINI_12864_X_X) \
+  + ENABLED(FYSETC_MINI_12864_1_2) \
+  + ENABLED(FYSETC_MINI_12864_2_0) \
+  + ENABLED(FYSETC_MINI_12864_2_1) \
+  + ENABLED(CR10_STOCKDISPLAY) \
+  + ENABLED(ANET_FULL_GRAPHICS_LCD) \
+  + ENABLED(AZSMZ_12864) \
+  + ENABLED(SILVER_GATE_GLCD_CONTROLLER) \
   + ENABLED(SAV_3DGLCD) \
   + ENABLED(OLED_PANEL_TINYBOY2) \
-  + ENABLED(ZONESTAR_LCD) \
-  + ENABLED(ULTI_CONTROLLER) \
-  + ENABLED(MALYAN_LCD) \
+  + ENABLED(MKS_12864OLED) \
+  + ENABLED(MKS_12864OLED_SSD1306) \
+  + ENABLED(U8GLIB_SH1106_EINSTART) \
   + ENABLED(DGUS_LCD) \
-  + (ENABLED(EXTENSIBLE_UI) && NONE(MALYAN_LCD, DGUS_LCD))
+  + ENABLED(MALYAN_LCD) \
+  + ENABLED(MKS_ROBIN_TFT)
   #error "Please select no more than one LCD controller option."
 #endif
 
+#undef IS_RRD_SC
+#undef IS_RRD_FG_SC
+#undef IS_ULTRA_LCD
+#undef IS_U8GLIB_SSD1306
+#undef IS_RRW_KEYPAD
+#undef IS_EXTUI
+#undef IS_ULTIPANEL
+
 /**
  * FYSETC Mini 12864 RGB backlighting required
  */