diff --git a/Marlin/src/core/types.h b/Marlin/src/core/types.h
index bbb152174f..f5dc231289 100644
--- a/Marlin/src/core/types.h
+++ b/Marlin/src/core/types.h
@@ -610,9 +610,9 @@ struct XYZval {
   // If any element is true then it's true
   FI constexpr operator bool()  const { return 0 NUM_AXIS_GANG(|| x, || y, || z, || i, || j, || k, || u, || v, || w); }
   // Smallest element
-  FI constexpr T small()        const { return TERN(HAS_X_AXIS, _MIN(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)), 0); }
+  FI constexpr T small()        const { return TERN0(HAS_X_AXIS, _MIN(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w))); }
   // Largest element
-  FI constexpr T large()        const { return TERN(HAS_X_AXIS, _MAX(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w)), 0); }
+  FI constexpr T large()        const { return TERN0(HAS_X_AXIS, _MAX(NUM_AXIS_LIST(x, y, z, i, j, k, u, v, w))); }
 
   // Explicit copy and copies with conversion
   FI constexpr XYZval<T>           copy() const { XYZval<T> o = *this; return o; }
diff --git a/Marlin/src/gcode/temp/M306.cpp b/Marlin/src/gcode/temp/M306.cpp
index 585b706a82..12e175420d 100644
--- a/Marlin/src/gcode/temp/M306.cpp
+++ b/Marlin/src/gcode/temp/M306.cpp
@@ -49,7 +49,7 @@
  */
 
 void GcodeSuite::M306() {
-  const uint8_t e = TERN(HAS_MULTI_EXTRUDER, parser.intval('E', active_extruder), 0);
+  const uint8_t e = TERN0(HAS_MULTI_EXTRUDER, parser.intval('E', active_extruder));
   if (e >= (EXTRUDERS)) {
     SERIAL_ECHOLNPGM("?(E)xtruder index out of range (0-", (EXTRUDERS) - 1, ").");
     return;
diff --git a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/z_offset_screen.cpp b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/z_offset_screen.cpp
index aeff0d95f8..c192860f4a 100644
--- a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/z_offset_screen.cpp
+++ b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/cocoa_press/z_offset_screen.cpp
@@ -43,7 +43,7 @@ void ZOffsetScreen::onRedraw(draw_mode_t what) {
 }
 
 bool ZOffsetScreen::onTouchHeld(uint8_t tag) {
-  const int16_t steps =   TERN(BABYSTEPPING, mmToWholeSteps(getIncrement(), Z), 0);
+  const int16_t steps =   TERN0(BABYSTEPPING, mmToWholeSteps(getIncrement(), Z));
   const float increment = TERN(BABYSTEPPING, mmFromWholeSteps(steps, Z), getIncrement());
   switch (tag) {
     case 2: ZOffsetWizard::runWizard(); break;
diff --git a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/z_offset_screen.cpp b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/z_offset_screen.cpp
index eb36798794..1ba048b9cc 100644
--- a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/z_offset_screen.cpp
+++ b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/z_offset_screen.cpp
@@ -95,7 +95,7 @@ bool ZOffsetScreen::wizardRunning() {
 }
 
 bool ZOffsetScreen::onTouchHeld(uint8_t tag) {
-  const int16_t steps =   TERN(BABYSTEPPING, mmToWholeSteps(getIncrement(), Z), 0);
+  const int16_t steps =   TERN0(BABYSTEPPING, mmToWholeSteps(getIncrement(), Z));
   const float increment = TERN(BABYSTEPPING, mmFromWholeSteps(steps, Z), getIncrement());
   switch (tag) {
     case 2: runWizard(); break;
diff --git a/Marlin/src/lcd/menu/menu_bed_tramming.cpp b/Marlin/src/lcd/menu/menu_bed_tramming.cpp
index 81372db50a..f33b8b812c 100644
--- a/Marlin/src/lcd/menu/menu_bed_tramming.cpp
+++ b/Marlin/src/lcd/menu/menu_bed_tramming.cpp
@@ -274,7 +274,7 @@ static void _lcd_goto_next_corner() {
   }
 
   void _lcd_test_corners() {
-    bed_corner = TERN(BED_TRAMMING_INCLUDE_CENTER, center_index, 0);
+    bed_corner = TERN0(BED_TRAMMING_INCLUDE_CENTER, center_index);
     last_z = BED_TRAMMING_HEIGHT;
     endstops.enable_z_probe(true);
     good_points = 0;
diff --git a/Marlin/src/lcd/menu/menu_ubl.cpp b/Marlin/src/lcd/menu/menu_ubl.cpp
index 64c9cc382b..2d28d44991 100644
--- a/Marlin/src/lcd/menu/menu_ubl.cpp
+++ b/Marlin/src/lcd/menu/menu_ubl.cpp
@@ -446,7 +446,7 @@ void ubl_map_screen() {
     do {
       // Now, keep the encoder position within range
       if (int32_t(ui.encoderPosition) < 0) ui.encoderPosition = GRID_MAX_POINTS + TERN(TOUCH_SCREEN, ui.encoderPosition, -1);
-      if (int32_t(ui.encoderPosition) > GRID_MAX_POINTS - 1) ui.encoderPosition = TERN(TOUCH_SCREEN, ui.encoderPosition - GRID_MAX_POINTS, 0);
+      if (int32_t(ui.encoderPosition) > GRID_MAX_POINTS - 1) ui.encoderPosition = TERN0(TOUCH_SCREEN, ui.encoderPosition - GRID_MAX_POINTS);
 
       // Draw the grid point based on the encoder
       x = ui.encoderPosition % (GRID_MAX_POINTS_X);
diff --git a/Marlin/src/module/motion.cpp b/Marlin/src/module/motion.cpp
index dddcd81d6c..cb0c1bf5d8 100644
--- a/Marlin/src/module/motion.cpp
+++ b/Marlin/src/module/motion.cpp
@@ -2186,7 +2186,7 @@ void prepare_line_to_destination() {
 
       // Move away from the endstop by the axis HOMING_BUMP_MM
       if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Move Away: ", -bump, "mm");
-      do_homing_move(axis, -bump, TERN(HOMING_Z_WITH_PROBE, (axis == Z_AXIS ? z_probe_fast_mm_s : 0), 0), false);
+      do_homing_move(axis, -bump, TERN0(HOMING_Z_WITH_PROBE, (axis == Z_AXIS ? z_probe_fast_mm_s : 0)), false);
 
       #if ENABLED(DETECT_BROKEN_ENDSTOP)
 
diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp
index 0b236b8a10..6b4f63fb00 100644
--- a/Marlin/src/module/planner.cpp
+++ b/Marlin/src/module/planner.cpp
@@ -1429,7 +1429,7 @@ void Planner::check_axes_activity() {
    */
   void Planner::autotemp_update() {
     _autotemp_update_from_hotend();
-    autotemp.factor = TERN(AUTOTEMP_PROPORTIONAL, AUTOTEMP_FACTOR_P, 0);
+    autotemp.factor = TERN0(AUTOTEMP_PROPORTIONAL, AUTOTEMP_FACTOR_P);
     autotemp.enabled = autotemp.factor != 0;
   }
 
@@ -1445,7 +1445,7 @@ void Planner::check_axes_activity() {
 
     // When AUTOTEMP_PROPORTIONAL is enabled, F0 disables autotemp.
     // Normally, leaving off F also disables autotemp.
-    autotemp.factor = parser.seen('F') ? parser.value_float() : TERN(AUTOTEMP_PROPORTIONAL, AUTOTEMP_FACTOR_P, 0);
+    autotemp.factor = parser.seen('F') ? parser.value_float() : TERN0(AUTOTEMP_PROPORTIONAL, AUTOTEMP_FACTOR_P);
     autotemp.enabled = autotemp.factor != 0;
   }
 
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
index f6a7705c3b..b08f8ccb7e 100644
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@@ -2681,7 +2681,7 @@ hal_timer_t Stepper::block_phase_isr() {
       #if ENABLED(ADAPTIVE_STEP_SMOOTHING)
         // Nonlinear Extrusion needs at least 2x oversampling to permit increase of E step rate
         // Otherwise assume no axis smoothing (via oversampling)
-        oversampling_factor = TERN(NONLINEAR_EXTRUSION, 1, 0);
+        oversampling_factor = TERN0(NONLINEAR_EXTRUSION, 1);
 
         // Decide if axis smoothing is possible
         if (stepper.adaptive_step_smoothing_enabled) {
diff --git a/Marlin/src/module/temperature.h b/Marlin/src/module/temperature.h
index 16d4a38e08..15cfeac911 100644
--- a/Marlin/src/module/temperature.h
+++ b/Marlin/src/module/temperature.h
@@ -43,7 +43,7 @@
 
 //#define ERR_INCLUDE_TEMP
 
-#define HOTEND_INDEX TERN(HAS_MULTI_HOTEND, e, 0)
+#define HOTEND_INDEX TERN0(HAS_MULTI_HOTEND, e)
 #define E_NAME TERN_(HAS_MULTI_HOTEND, e)
 
 #if HAS_FAN