diff --git a/Documentation/block/capability.rst b/Documentation/block/capability.rst
deleted file mode 100644
index 2ae7f064736a..000000000000
--- a/Documentation/block/capability.rst
+++ /dev/null
@@ -1,10 +0,0 @@
-===============================
-Generic Block Device Capability
-===============================
-
-This file documents the sysfs file ``block/<disk>/capability``.
-
-``capability`` is a bitfield, printed in hexadecimal, indicating which
-capabilities a specific block device supports:
-
-.. kernel-doc:: include/linux/blkdev.h
diff --git a/Documentation/block/index.rst b/Documentation/block/index.rst
index c4c73db748a8..102953166429 100644
--- a/Documentation/block/index.rst
+++ b/Documentation/block/index.rst
@@ -10,7 +10,6 @@ Block
    bfq-iosched
    biovecs
    blk-mq
-   capability
    cmdline-partition
    data-integrity
    deadline-iosched
diff --git a/block/genhd.c b/block/genhd.c
index 705dec0800d6..7e031559bf51 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1024,9 +1024,8 @@ ssize_t part_inflight_show(struct device *dev, struct device_attribute *attr,
 static ssize_t disk_capability_show(struct device *dev,
 				    struct device_attribute *attr, char *buf)
 {
-	struct gendisk *disk = dev_to_disk(dev);
-
-	return sprintf(buf, "%x\n", disk->flags);
+	dev_warn_once(dev, "the capability attribute has been deprecated.\n");
+	return sprintf(buf, "0\n");
 }
 
 static ssize_t disk_alignment_offset_show(struct device *dev,