diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index c293e30a3de1..e375dde37161 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -9,17 +9,6 @@ config DMABUF_CACHE
 	  This option support to store attachments in a list and destroy them by
 	  set to a callback list in the dtor of dma-buf.
 
-config DMABUF_PROCFS
-	tristate "DMABUF procfs support"
-	depends on DMA_SHARED_BUFFER
-	depends on PROC_FS
-	depends on NO_GKI
-	help
-	  Turns on this to create a procfs debug interface for dma-buf, support
-	  get information from db_list by get_each_dmabuf.
-
-	  If unsure, say "N".
-
 config SYNC_FILE
 	bool "Explicit Synchronization Framework"
 	default n
diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile
index b89f3309de80..66c2dc4b6881 100644
--- a/drivers/dma-buf/Makefile
+++ b/drivers/dma-buf/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_SW_SYNC_DEBUG)	+= sync_debug.o
 obj-$(CONFIG_UDMABUF)		+= udmabuf.o
 obj-$(CONFIG_DMABUF_SYSFS_STATS) += dma-buf-sysfs-stats.o
 obj-$(CONFIG_DMABUF_HEAPS_ROCKCHIP) += rk_heaps/
-obj-$(CONFIG_DMABUF_PROCFS)	+= dmabuf_procfs.o
 
 dmabuf_selftests-y := \
 	selftest.o \
diff --git a/drivers/dma-buf/dmabuf_procfs.c b/drivers/dma-buf/dmabuf_procfs.c
deleted file mode 100644
index 29b62bfcafbe..000000000000
--- a/drivers/dma-buf/dmabuf_procfs.c
+++ /dev/null
@@ -1,97 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2022 Rockchip Electronics Co. Ltd.
- */
-
-#include <linux/dma-buf.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/proc_fs.h>
-#include <linux/scatterlist.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-
-#define K(size) ((unsigned long)((size) >> 10))
-static struct device *dmabuf_dev;
-
-static void rk_dmabuf_dump_sgt(struct dma_buf *dmabuf, void *priv)
-{
-	struct seq_file *s = priv;
-	struct scatterlist *sg;
-	struct dma_buf_attachment *a;
-	phys_addr_t end;
-	int i;
-
-	list_for_each_entry(a, &dmabuf->attachments, node) {
-		if (!a->sgt)
-			continue;
-		for_each_sgtable_sg(a->sgt, sg, i) {
-			end = sg->dma_address + sg->length - 1;
-			seq_printf(s, "%4d: ", i);
-			seq_printf(s, "%pa..%pa\t", &sg->dma_address, &end);
-		}
-		break;
-	}
-}
-
-static int rk_dmabuf_cb(const struct dma_buf *dmabuf, void *private)
-{
-	struct seq_file *s = private;
-	struct sg_table *sgt;
-	struct dma_buf_attachment *a;
-	struct dma_buf *db = (struct dma_buf *)dmabuf;
-	bool need_map = list_empty(&db->attachments);
-
-	seq_printf(s, "%s\t%32s %10lu KiB", db->name, db->exp_name, K(db->size));
-
-	if (need_map) {
-		a = dma_buf_attach(db, dmabuf_dev);
-		if (IS_ERR_OR_NULL(a))
-			return PTR_ERR(a);
-
-		sgt = dma_buf_map_attachment(a, 0);
-		if (IS_ERR_OR_NULL(sgt))
-			return PTR_ERR(sgt);
-	}
-
-	rk_dmabuf_dump_sgt(db, s);
-
-	if (need_map) {
-		dma_buf_unmap_attachment(a, sgt, 0);
-		dma_buf_detach(db, a);
-	}
-
-	seq_puts(s, "\n");
-
-	return 0;
-}
-
-static int rk_dmabuf_show(struct seq_file *s, void *v)
-{
-	seq_printf(s, "%s\t%32s %14s %8s\n\n", "NAME", "EXPORT", "SIZE:KiB", "SGLIST");
-
-	return get_each_dmabuf(rk_dmabuf_cb, s);
-}
-
-static int __init rk_dmabuf_init(void)
-{
-	struct platform_device *pdev;
-	struct platform_device_info dev_info = {
-		.name		= "dmabuf",
-		.id		= PLATFORM_DEVID_AUTO,
-		.dma_mask	= DMA_BIT_MASK(32),
-	};
-
-	pdev = platform_device_register_full(&dev_info);
-	dmabuf_dev = pdev ? &pdev->dev : NULL;
-
-	proc_create_single("rk_dmabuf", 0, NULL, rk_dmabuf_show);
-
-	return 0;
-}
-late_initcall_sync(rk_dmabuf_init);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jianqun Xu <jay.xu@rock-chips.com>");
-MODULE_DESCRIPTION("ROCKCHIP DMABUF Driver");
-MODULE_ALIAS("platform:rk-dmabuf");