diff --git a/include/linux/mfd/ds1wm.h b/include/linux/mfd/ds1wm.h
deleted file mode 100644
index 43dfca1c9702..000000000000
--- a/include/linux/mfd/ds1wm.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* MFD cell driver data for the DS1WM driver
- *
- * to be defined in the MFD device that is
- * using this driver for one of his sub devices
- */
-
-struct ds1wm_driver_data {
-	int active_high;
-	int clock_rate;
-	/* in milliseconds, the amount of time to
-	 * sleep following a reset pulse. Zero
-	 * should work if your bus devices recover
-	 * time respects the 1-wire spec since the
-	 * ds1wm implements the precise timings of
-	 * a reset pulse/presence detect sequence.
-	 */
-	unsigned int reset_recover_delay;
-
-	/* Say 1 here for big endian Hardware
-	 * (only relevant with bus-shift > 0
-	 */
-	bool is_hw_big_endian;
-
-	/* left shift of register number to get register address offsett.
-	 * Only 0,1,2 allowed for 8,16 or 32 bit bus width respectively
-	 */
-	unsigned int bus_shift;
-};