diff --git a/include/linux/mma7660.h b/include/linux/mma7660.h
deleted file mode 100644
index 8f30ce6f3d3f..000000000000
--- a/include/linux/mma7660.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Definitions for mma7660 compass chip.
- */
-#ifndef MMA7660_H
-#define MMA7660_H
-
-#include <linux/ioctl.h>
-
-
-
-
-/* Default register settings */
-#define RBUFF_SIZE		12	/* Rx buffer size */
-
-
-#define MMA7660_REG_X_OUT       0x0
-#define MMA7660_REG_Y_OUT       0x1
-#define MMA7660_REG_Z_OUT       0x2
-#define MMA7660_REG_TILT        0x3
-#define MMA7660_REG_SRST        0x4
-#define MMA7660_REG_SPCNT       0x5
-#define MMA7660_REG_INTSU       0x6
-#define MMA7660_REG_MODE        0x7
-#define MMA7660_REG_SR          0x8
-#define MMA7660_REG_PDET        0x9
-#define MMA7660_REG_PD          0xa
-
-
-#define MMAIO				0xA1
-
-/* IOCTLs for MMA7660 library */
-#define ECS_IOCTL_INIT                  _IO(MMAIO, 0x01)
-#define ECS_IOCTL_RESET      	          _IO(MMAIO, 0x04)
-#define ECS_IOCTL_CLOSE		           _IO(MMAIO, 0x02)
-#define ECS_IOCTL_START		             _IO(MMAIO, 0x03)
-#define ECS_IOCTL_GETDATA               _IOR(MMAIO, 0x08, char[RBUFF_SIZE+1])
-
-/* IOCTLs for APPs */
-#define ECS_IOCTL_APP_SET_RATE		_IOW(MMAIO, 0x10, char)
-
-
-/*rate*/
-#define MMA7660_RATE_1          1
-#define MMA7660_RATE_2          2
-#define MMA7660_RATE_4          4
-#define MMA7660_RATE_8          8
-#define MMA7660_RATE_16         16
-#define MMA7660_RATE_32         32
-#define MMA7660_RATE_64         64
-#define MMA7660_RATE_120        128
-
-/*status*/
-#define MMA7660_OPEN           1
-#define MMA7660_CLOSE          0
-
-
-
-#define MMA7660_IIC_ADDR 	    0x98  
-#define MMA7660_REG_LEN         11
-#define MMA7660_RANGE						2000000
-#define MMA7660_PRECISION       6
-#define MMA7660_BOUNDARY        (0x1 << (MMA7660_PRECISION - 1))
-#define MMA7660_GRAVITY_STEP    MMA7660_RANGE/MMA7660_BOUNDARY
-#define MMA7660_TOTAL_TIME      10
-
-
-
-struct mma7660_platform_data {
-	int reset;
-	int clk_on;
-	int intr;
-};
-
-struct mma7660_data {
-    char  status;
-    char  curr_tate;
-	struct input_dev *input_dev;
-	struct i2c_client *client;
-	struct work_struct work;
-	struct delayed_work delaywork;	/*report second event*/
-};
-
-struct mma7660_axis {
-	int x;
-	int y;
-	int z;
-};
-
-#define  GSENSOR_DEV_PATH    "/dev/mma7660_daemon"
-
-
-#endif
-