diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 03cdfb7bdf..282ea342c6 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -965,13 +965,6 @@
   #define PSI_HOMING_OFFSET    0
 #endif
 
-// Articulated robot (arm). Joints are directly mapped to axes with no kinematics.
-//#define ARTICULATED_ROBOT_ARM
-
-// For a hot wire cutter with parallel horizontal axes (X, I) where the heights of the two wire
-// ends are controlled by parallel axes (Y, J). Joints are directly mapped to axes (no kinematics).
-//#define FOAMCUTTER_XYUV
-
 //===========================================================================
 //============================== Endstop Settings ===========================
 //===========================================================================
diff --git a/Marlin/src/gcode/temp/M106_M107.cpp b/Marlin/src/gcode/temp/M106_M107.cpp
index ae517c977b..ff3f2ecd02 100644
--- a/Marlin/src/gcode/temp/M106_M107.cpp
+++ b/Marlin/src/gcode/temp/M106_M107.cpp
@@ -85,8 +85,6 @@ void GcodeSuite::M106() {
   if (!got_preset && parser.seenval('S'))
     speed = parser.value_ushort();
 
-  TERN_(FOAMCUTTER_XYUV, speed *= 2.55); // Get command in % of max heat
-
   // Set speed, with constraint
   thermalManager.set_fan_speed(pfan, speed);
 
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 270a47c158..fbbff1fcd9 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1490,8 +1490,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   #error "CNC_WORKSPACE_PLANES currently requires LINEAR_AXES >= 3"
 #elif ENABLED(DIRECT_STEPPING) && LINEAR_AXES > XYZ
   #error "DIRECT_STEPPING currently requires LINEAR_AXES 3"
-#elif ENABLED(FOAMCUTTER_XYUV) && LINEAR_AXES < 5
-  #error "FOAMCUTTER_XYUV requires LINEAR_AXES >= 5."
+#elif ENABLED(LINEAR_ADVANCE) && HAS_I_AXIS
+  #error "LINEAR_ADVANCE currently requires LINEAR_AXES <= 3."
 #endif
 
 /**
@@ -1536,8 +1536,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 /**
  * Allow only one kinematic type to be defined
  */
-#if MANY(DELTA, MORGAN_SCARA, MP_SCARA, AXEL_TPARA, COREXY, COREXZ, COREYZ, COREYX, COREZX, COREZY, MARKFORGED_XY, MARKFORGED_YX, FOAMCUTTER_XYUV)
-  #error "Please enable only one of DELTA, MORGAN_SCARA, MP_SCARA, AXEL_TPARA, COREXY, COREXZ, COREYZ, COREYX, COREZX, COREZY, MARKFORGED_XY, MARKFORGED_YX, or FOAMCUTTER_XYUV."
+#if MANY(DELTA, MORGAN_SCARA, MP_SCARA, AXEL_TPARA, COREXY, COREXZ, COREYZ, COREYX, COREZX, COREZY, MARKFORGED_XY, MARKFORGED_YX)
+  #error "Please enable only one of DELTA, MORGAN_SCARA, MP_SCARA, AXEL_TPARA, COREXY, COREXZ, COREYZ, COREYX, COREZX, COREZY, MARKFORGED_XY, or MARKFORGED_YX."
 #endif
 
 /**