diff --git a/drivers/misc/mediatek/connectivity/wlan/adaptor/Makefile b/drivers/misc/mediatek/connectivity/wlan/adaptor/Makefile
index 7ca14f0e3..0dadfe708 100644
--- a/drivers/misc/mediatek/connectivity/wlan/adaptor/Makefile
+++ b/drivers/misc/mediatek/connectivity/wlan/adaptor/Makefile
@@ -70,7 +70,6 @@ $(MODULE_NAME)-objs += wmt_cdev_wifi.o
 ifneq ($(CONFIG_MTK_CONNSYS_DEDICATED_LOG_PATH),)
 $(MODULE_NAME)-objs += fw_log_wifi.o
 $(MODULE_NAME)-objs += fw_log_ics.o
-$(MODULE_NAME)-objs += wlan_ring.o
 endif
 ifeq ($(CONNAC_VER), 2_0)
 $(MODULE_NAME)-objs += wifi_pwr_on.o
diff --git a/drivers/misc/mediatek/connectivity/wlan/adaptor/wlan_ring.c b/drivers/misc/mediatek/connectivity/wlan/adaptor/wlan_ring.c
deleted file mode 100644
index aa2fca73e..000000000
--- a/drivers/misc/mediatek/connectivity/wlan/adaptor/wlan_ring.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-/*
- * Copyright (c) 2021 MediaTek Inc.
- */
-
-#include "ring.h"
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/bug.h>
-
-void wlan_ring_init(void *base, unsigned int max_size, unsigned int read,
-	unsigned int write, struct ring *ring)
-{
-	WARN_ON(!base);
-
-	/* making sure max_size is power of 2 */
-	WARN_ON(!max_size || (max_size & (max_size - 1)));
-
-	/* making sure write largger than read */
-	WARN_ON(read > write);
-
-	ring->base = base;
-	ring->read = read;
-	ring->write = write;
-	ring->max_size = max_size;
-}
-
-void wlan_ring_dump(const char *title, struct ring *ring)
-{
-	pr_info("[%s] ring:{write=%d, read=%d, max_size=%d}\n",
-			title, ring->write, ring->read, ring->max_size);
-}
-
-void wlan_ring_dump_segment(const char *title, struct ring_segment *seg)
-{
-	pr_info("[%s] seg:{ring_pt=0x%p, data_pos=%d, sz=%d, remain=%d}\n",
-			title, seg->ring_pt, seg->data_pos,
-			seg->sz, seg->remain);
-}
-
-/*
- * Function prepares the ring_segment and
- * returns the number of valid bytes for read.
- */
-unsigned int wlan_ring_read_prepare(unsigned int sz,
-					struct ring_segment *seg,
-					struct ring *ring)
-{
-	unsigned int wt = ring->write;
-	unsigned int rd = ring->read;
-
-	memset(seg, 0, sizeof(struct ring_segment));
-	if (sz > wt - rd)
-		sz = wt - rd;
-	seg->remain = sz;
-	/* wlan_ring_dump(__func__, ring); */
-	/* wlan_ring_dump_segment(__func__, seg); */
-	return seg->remain;
-}
-
-/*
- * Function prepares the ring_segment and
- * returns the number of bytes available for write.
- */
-unsigned int wlan_ring_write_prepare(unsigned int sz,
-						struct ring_segment *seg,
-						struct ring *ring)
-{
-	unsigned int wt = ring->write;
-	unsigned int rd = ring->read;
-
-	memset(seg, 0, sizeof(struct ring_segment));
-	if (sz > ring->max_size - (wt - rd))
-		sz = ring->max_size - (wt - rd);
-	seg->remain = sz;
-	/* wlan_ring_dump(__func__, ring); */
-	/* wlan_ring_dump_segment(__func__, seg); */
-	return seg->remain;
-}
-
-unsigned int wlan_ring_overwrite_prepare(unsigned int sz, struct ring_segment *seg,
-						      struct ring *ring)
-{
-	unsigned int wt = ring->write;
-	unsigned int rd = ring->read;
-
-	memset(seg, 0, sizeof(struct ring_segment));
-	if (sz > ring->max_size - (wt - rd))
-		ring->read += sz - (ring->max_size - (wt - rd));
-	seg->remain = sz;
-	/* wlan_ring_dump(__func__, ring); */
-	/* wlan_ring_dump_segment(__func__, seg); */
-	return seg->remain;
-}
-
-void __wlan_ring_segment_prepare(unsigned int from, unsigned int sz,
-						struct ring_segment *seg,
-						struct ring *ring)
-{
-	unsigned int ring_pos = from & (ring->max_size - 1);
-
-	seg->ring_pt = ring->base + ring_pos;
-	seg->data_pos = (seg->sz ? seg->data_pos + seg->sz : 0);
-	if (ring_pos + sz <= ring->max_size)
-		seg->sz = sz;
-	else
-		seg->sz = ring->max_size - ring_pos;
-	seg->remain -= seg->sz;
-	/* wlan_ring_dump(__func__, ring); */
-	/* wlan_ring_dump_segment(__func__, seg); */
-}
-
-void _wlan_ring_segment_prepare(unsigned int from,
-					struct ring_segment *seg,
-					struct ring *ring)
-{
-	__wlan_ring_segment_prepare(from, seg->remain, seg, ring);
-}
-
-void _wlan_ring_segment_prepare_item(unsigned int from,
-					struct ring_segment *seg,
-					struct ring *ring)
-{
-	unsigned int size;
-
-	size = (seg->remain ? 1 : 0);
-	__wlan_ring_segment_prepare(from, size, seg, ring);
-}
-
-void _wlan_ring_read_commit(struct ring_segment *seg, struct ring *ring)
-{
-	ring->read += seg->sz;
-	/* wlan_ring_dump(__func__, ring); */
-	/* wlan_ring_dump_segment(__func__, seg); */
-}
-void _wlan_ring_write_commit(struct ring_segment *seg, struct ring *ring)
-{
-	ring->write += seg->sz;
-	/* wlan_ring_dump(__func__, ring); */
-	/* wlan_ring_dump_segment(__func__, seg); */
-}
-