diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 17255d1f25..dd96459004 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -987,7 +987,7 @@
    */
   //#define BLTOUCH_HS_MODE true
 
-  #if ENABLED(BLTOUCH_HS_MODE)
+  #ifdef BLTOUCH_HS_MODE
     // The probe Z offset (M851 Z) is the height at which the probe triggers.
     // This must be large enough to keep the probe pin off the bed and prevent
     // it from snagging on the bed clips.
diff --git a/Marlin/src/feature/bltouch.cpp b/Marlin/src/feature/bltouch.cpp
index 1c6c1eb4aa..02f76c1392 100644
--- a/Marlin/src/feature/bltouch.cpp
+++ b/Marlin/src/feature/bltouch.cpp
@@ -29,7 +29,7 @@
 BLTouch bltouch;
 
 bool BLTouch::od_5v_mode;         // Initialized by settings.load, 0 = Open Drain; 1 = 5V Drain
-#ifdef BLTOUCH_HS_MODE
+#if HAS_BLTOUCH_HS_MODE
   bool BLTouch::high_speed_mode;  // Initialized by settings.load, 0 = Low Speed; 1 = High Speed
 #else
   constexpr bool BLTouch::high_speed_mode;
diff --git a/Marlin/src/feature/bltouch.h b/Marlin/src/feature/bltouch.h
index 2ced649a4e..0f9f2e68ba 100644
--- a/Marlin/src/feature/bltouch.h
+++ b/Marlin/src/feature/bltouch.h
@@ -70,13 +70,13 @@ public:
   static void init(const bool set_voltage=false);
   static bool od_5v_mode;         // Initialized by settings.load, 0 = Open Drain; 1 = 5V Drain
 
-  #ifdef BLTOUCH_HS_MODE
+  #if HAS_BLTOUCH_HS_MODE
     static bool high_speed_mode;  // Initialized by settings.load, 0 = Low Speed; 1 = High Speed
   #else
     static constexpr bool high_speed_mode = false;
   #endif
 
-  static float z_extra_clearance() { return high_speed_mode ? TERN0(BLTOUCH_HS_MODE, BLTOUCH_HS_EXTRA_CLEARANCE) : 0; }
+  static float z_extra_clearance() { return TERN0(HAS_BLTOUCH_HS_MODE, high_speed_mode ? BLTOUCH_HS_EXTRA_CLEARANCE : 0); }
 
   // DEPLOY and STOW are wrapped for error handling - these are used by homing and by probing
   static bool deploy()              { return deploy_proc(); }
diff --git a/Marlin/src/gcode/probe/M401_M402.cpp b/Marlin/src/gcode/probe/M401_M402.cpp
index d81c04f4a0..05230e05ea 100644
--- a/Marlin/src/gcode/probe/M401_M402.cpp
+++ b/Marlin/src/gcode/probe/M401_M402.cpp
@@ -28,7 +28,7 @@
 #include "../../module/motion.h"
 #include "../../module/probe.h"
 
-#ifdef BLTOUCH_HS_MODE
+#if HAS_BLTOUCH_HS_MODE
   #include "../../feature/bltouch.h"
 #endif
 
@@ -42,7 +42,7 @@
  *  R<bool> Remain in place after deploying (and before activating) the probe
  */
 void GcodeSuite::M401() {
-  #ifdef BLTOUCH_HS_MODE
+  #if HAS_BLTOUCH_HS_MODE
     const bool seenH = parser.seen_test('H'),
                seenS = parser.seen('S');
     if (seenH || seenS) {
diff --git a/Marlin/src/inc/Conditionals_adv.h b/Marlin/src/inc/Conditionals_adv.h
index 3295626722..edee5e9bd2 100644
--- a/Marlin/src/inc/Conditionals_adv.h
+++ b/Marlin/src/inc/Conditionals_adv.h
@@ -76,9 +76,14 @@
 #endif // !defined(NUM_SERVOS)
 
 // Convenience override for a BLTouch alone
-#if ENABLED(BLTOUCH) && NUM_SERVOS == 1
-  #undef SERVO_DELAY
-  #define SERVO_DELAY { 50 }
+#if ENABLED(BLTOUCH)
+  #ifdef BLTOUCH_HS_MODE
+    #define HAS_BLTOUCH_HS_MODE 1
+  #endif
+  #if NUM_SERVOS == 1
+    #undef SERVO_DELAY
+    #define SERVO_DELAY { 50 }
+  #endif
 #endif
 
 #if !HAS_BED_PROBE
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 5c594abff3..84118729a2 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1895,10 +1895,10 @@ static_assert(X_MAX_LENGTH >= X_BED_SIZE, "Movement bounds (X_MIN_POS, X_MAX_POS
       #endif
     #endif
 
-    #if ENABLED(BLTOUCH_HS_MODE)
-      #if BLTOUCH_HS_MODE == 0
-        #error "BLTOUCH_HS_MODE must now be defined as true or false, indicating the default state."
-      #endif
+    #if HAS_BLTOUCH_HS_MODE
+      constexpr char hs[] = STRINGIFY(BLTOUCH_HS_MODE);
+      static_assert(!(strcmp(hs, "1") && strcmp(hs, "true") && strcmp(hs, "0") && strcmp(hs, "false")), \
+        "BLTOUCH_HS_MODE must now be defined as true or false, indicating the default state.");
       #ifdef BLTOUCH_HS_EXTRA_CLEARANCE
         static_assert(BLTOUCH_HS_EXTRA_CLEARANCE > 0, "BLTOUCH_HS_MODE requires a positive BLTOUCH_HS_EXTRA_CLEARANCE.");
       #endif
diff --git a/Marlin/src/lcd/e3v2/proui/dwin.cpp b/Marlin/src/lcd/e3v2/proui/dwin.cpp
index adc6fca72a..af157921d5 100644
--- a/Marlin/src/lcd/e3v2/proui/dwin.cpp
+++ b/Marlin/src/lcd/e3v2/proui/dwin.cpp
@@ -2211,10 +2211,8 @@ void SetMoveZ() { HMI_value.axis = Z_AXIS; SetPFloatOnClick(Z_MIN_POS, Z_MAX_POS
   void ProbeStow() { probe.stow(); }
   void ProbeDeploy() { probe.deploy(); }
 
-  #if ENABLED(BLTOUCH_HS_MODE)
-    void SetHSMode() {
-      Toggle_Chkb_Line(bltouch.high_speed_mode);
-    }
+  #if HAS_BLTOUCH_HS_MODE
+    void SetHSMode() { Toggle_Chkb_Line(bltouch.high_speed_mode); }
   #endif
 
 #endif
@@ -3184,7 +3182,7 @@ void Draw_Move_Menu() {
         MENU_ITEM(ICON_ProbeStow, MSG_MANUAL_STOW, onDrawMenuItem, ProbeStow);
         MENU_ITEM(ICON_ProbeDeploy, MSG_MANUAL_DEPLOY, onDrawMenuItem, ProbeDeploy);
         MENU_ITEM(ICON_BltouchReset, MSG_BLTOUCH_RESET, onDrawMenuItem, bltouch._reset);
-        #if ENABLED(BLTOUCH_HS_MODE)
+        #if HAS_BLTOUCH_HS_MODE
           EDIT_ITEM(ICON_HSMode, MSG_ENABLE_HS_MODE, onDrawChkbMenu, SetHSMode, &bltouch.high_speed_mode);
         #endif
       #endif
diff --git a/Marlin/src/lcd/menu/menu_configuration.cpp b/Marlin/src/lcd/menu/menu_configuration.cpp
index e50cd69f63..4dce109b42 100644
--- a/Marlin/src/lcd/menu/menu_configuration.cpp
+++ b/Marlin/src/lcd/menu/menu_configuration.cpp
@@ -243,7 +243,7 @@ void menu_advanced_settings();
     ACTION_ITEM(MSG_BLTOUCH_DEPLOY, bltouch._deploy);
     ACTION_ITEM(MSG_BLTOUCH_STOW, bltouch._stow);
     ACTION_ITEM(MSG_BLTOUCH_SW_MODE, bltouch._set_SW_mode);
-    #ifdef BLTOUCH_HS_MODE
+    #if HAS_BLTOUCH_HS_MODE
       EDIT_ITEM(bool, MSG_BLTOUCH_SPEED_MODE, &bltouch.high_speed_mode);
     #endif
     #if ENABLED(BLTOUCH_LCD_VOLTAGE_MENU)
diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index 0be7f965a4..ca5b940c5d 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -322,7 +322,7 @@ typedef struct SettingsDataStruct {
   // BLTOUCH
   //
   bool bltouch_od_5v_mode;
-  #ifdef BLTOUCH_HS_MODE
+  #if HAS_BLTOUCH_HS_MODE
     bool bltouch_high_speed_mode;                       // M401 S
   #endif
 
@@ -1016,7 +1016,7 @@ void MarlinSettings::postprocess() {
       const bool bltouch_od_5v_mode = TERN0(BLTOUCH, bltouch.od_5v_mode);
       EEPROM_WRITE(bltouch_od_5v_mode);
 
-      #ifdef BLTOUCH_HS_MODE
+      #if HAS_BLTOUCH_HS_MODE
         _FIELD_TEST(bltouch_high_speed_mode);
         const bool bltouch_high_speed_mode = TERN0(BLTOUCH, bltouch.high_speed_mode);
         EEPROM_WRITE(bltouch_high_speed_mode);
@@ -1976,7 +1976,7 @@ void MarlinSettings::postprocess() {
         #endif
         EEPROM_READ(bltouch_od_5v_mode);
 
-        #ifdef BLTOUCH_HS_MODE
+        #if HAS_BLTOUCH_HS_MODE
           _FIELD_TEST(bltouch_high_speed_mode);
           #if ENABLED(BLTOUCH)
             const bool &bltouch_high_speed_mode = bltouch.high_speed_mode;
@@ -3075,9 +3075,7 @@ void MarlinSettings::reset() {
   //
   // BLTouch
   //
-  #ifdef BLTOUCH_HS_MODE
-    bltouch.high_speed_mode = ENABLED(BLTOUCH_HS_MODE);
-  #endif
+  TERN_(HAS_BLTOUCH_HS_MODE, bltouch.high_speed_mode = BLTOUCH_HS_MODE);
 
   //
   // Kinematic Settings (Delta, SCARA, TPARA, Polargraph...)