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diff --git a/recipes-kernel/hdm-dim2/files/dim2_hal.h b/recipes-kernel/hdm-dim2/files/dim2_hal.h
deleted file mode 100644
index 48cdd9c8c..000000000
--- a/recipes-kernel/hdm-dim2/files/dim2_hal.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * dim2_hal.h - DIM2 HAL interface
- * (MediaLB, Device Interface Macro IP, OS62420)
- *
- * Copyright (C) 2015, Microchip Technology Germany II GmbH & Co. KG
- *
- * 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.
- *
- * This file is licensed under GPLv2.
- */
-
-#ifndef _DIM2_HAL_H
-#define _DIM2_HAL_H
-
-#include <linux/types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * The values below are specified in the hardware specification.
- * So, they should not be changed until the hardware specification changes.
- */
-enum mlb_clk_speed {
-	CLK_256FS = 0,
-	CLK_512FS = 1,
-	CLK_1024FS = 2,
-	CLK_2048FS = 3,
-	CLK_3072FS = 4,
-	CLK_4096FS = 5,
-	CLK_6144FS = 6,
-	CLK_8192FS = 7,
-};
-
-struct dim_ch_state_t {
-	bool ready; /* Shows readiness to enqueue next buffer */
-	u16 done_buffers; /* Number of completed buffers */
-};
-
-typedef int atomic_counter_t;
-
-struct int_ch_state {
-	/* changed only in interrupt context */
-	volatile atomic_counter_t request_counter;
-
-	/* changed only in task context */
-	volatile atomic_counter_t service_counter;
-
-	u8 idx1;
-	u8 idx2;
-	u8 level; /* [0..2], buffering level */
-};
-
-struct dim_channel {
-	struct int_ch_state state;
-	u8 addr;
-	u16 dbr_addr;
-	u16 dbr_size;
-	u16 packet_length; /*< Isochronous packet length in bytes. */
-	u16 bytes_per_frame; /*< Synchronous bytes per frame. */
-	u16 done_sw_buffers_number; /*< Done software buffers number. */
-};
-
-u8 dim_startup(void *dim_base_address, u32 mlb_clock);
-
-void dim_shutdown(void);
-
-bool dim_get_lock_state(void);
-
-u16 dim_norm_ctrl_async_buffer_size(u16 buf_size);
-
-u16 dim_norm_isoc_buffer_size(u16 buf_size, u16 packet_length);
-
-u16 dim_norm_sync_buffer_size(u16 buf_size, u16 bytes_per_frame);
-
-u8 dim_init_control(struct dim_channel *ch, u8 is_tx, u16 ch_address,
-		    u16 max_buffer_size);
-
-u8 dim_init_async(struct dim_channel *ch, u8 is_tx, u16 ch_address,
-		  u16 max_buffer_size);
-
-u8 dim_init_isoc(struct dim_channel *ch, u8 is_tx, u16 ch_address,
-		 u16 packet_length);
-
-u8 dim_init_sync(struct dim_channel *ch, u8 is_tx, u16 ch_address,
-		 u16 bytes_per_frame);
-
-u8 dim_destroy_channel(struct dim_channel *ch);
-
-void dim_service_irq(struct dim_channel *const *channels);
-
-u8 dim_service_channel(struct dim_channel *ch);
-
-struct dim_ch_state_t *dim_get_channel_state(struct dim_channel *ch,
-					     struct dim_ch_state_t *state_ptr);
-
-bool dim_enqueue_buffer(struct dim_channel *ch, u32 buffer_addr,
-			u16 buffer_size);
-
-bool dim_detach_buffers(struct dim_channel *ch, u16 buffers_number);
-
-u32 dimcb_io_read(u32 *ptr32);
-
-void dimcb_io_write(u32 *ptr32, u32 value);
-
-void dimcb_on_error(u8 error_id, const char *error_message);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _DIM2_HAL_H */