diff --git a/Marlin/src/pins/ramps/pins_LONGER3D_LK4PRO.h b/Marlin/src/pins/ramps/pins_LONGER3D_LK4PRO.h
deleted file mode 100644
index 8acf4e2f4f01..000000000000
--- a/Marlin/src/pins/ramps/pins_LONGER3D_LK4PRO.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- */
-#pragma once
-
-// Longer UI assumptions
-#if HOTENDS > 1 || E_STEPPERS > 1
-  #error "Longer UI supports only 1 hotend / E-stepper."
-#endif
-
-#define BOARD_INFO_NAME "LGT Kit 1.0"
-
-#define SD_DETECT_PIN                         49
-#define FIL_RUNOUT_PIN                         2
-#define Z_MIN_PIN                             35
-
-//
-// Import RAMPS 1.4 pins
-//
-#include "pins_RAMPS.h"