diff --git a/cmds/qgroup.c b/cmds/qgroup.c
index 20cc14aa..72d68d91 100644
--- a/cmds/qgroup.c
+++ b/cmds/qgroup.c
@@ -1687,47 +1687,6 @@ int btrfs_qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *
 	return 0;
 }
 
-int btrfs_qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
-			    int type)
-{
-	int ret;
-	u64 qgroup_src;
-	u64 qgroup_dst;
-	char *p;
-	int pos = 0;
-
-	p = strchr(arg, ':');
-	if (!p) {
-bad:
-		error("invalid copy specification, missing separator :");
-		return -EINVAL;
-	}
-	*p = 0;
-	qgroup_src = parse_qgroupid_or_path(arg);
-	qgroup_dst = parse_qgroupid_or_path(p + 1);
-	*p = ':';
-
-	if (!qgroup_src || !qgroup_dst)
-		goto bad;
-
-	if (*inherit)
-		pos = (*inherit)->num_qgroups +
-		      (*inherit)->num_ref_copies * 2 * type;
-
-	ret = qgroup_inherit_realloc(inherit, 2, pos);
-	if (ret)
-		return ret;
-
-	(*inherit)->qgroups[pos++] = qgroup_src;
-	(*inherit)->qgroups[pos++] = qgroup_dst;
-
-	if (!type)
-		++(*inherit)->num_ref_copies;
-	else
-		++(*inherit)->num_excl_copies;
-
-	return 0;
-}
 static const char * const qgroup_cmd_group_usage[] = {
 	"btrfs qgroup <command> [options] <path>",
 	NULL
diff --git a/cmds/qgroup.h b/cmds/qgroup.h
index db48c0c2..1fc10722 100644
--- a/cmds/qgroup.h
+++ b/cmds/qgroup.h
@@ -38,8 +38,6 @@ struct btrfs_qgroup_stats {
 
 int btrfs_qgroup_inherit_size(struct btrfs_qgroup_inherit *p);
 int btrfs_qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg);
-int btrfs_qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
-			    int type);
 int btrfs_qgroup_query(int fd, u64 qgroupid, struct btrfs_qgroup_stats *stats);
 
 #endif
diff --git a/cmds/subvolume.c b/cmds/subvolume.c
index 30ddf178..00c5eacf 100644
--- a/cmds/subvolume.c
+++ b/cmds/subvolume.c
@@ -281,13 +281,6 @@ static int cmd_subvolume_create(const struct cmd_struct *cmd, int argc, char **a
 			break;
 
 		switch (c) {
-		case 'c':
-			ret = btrfs_qgroup_inherit_add_copy(&inherit, optarg, 0);
-			if (ret) {
-				retval = ret;
-				goto out;
-			}
-			break;
 		case 'i':
 			ret = btrfs_qgroup_inherit_add_group(&inherit, optarg);
 			if (ret) {
@@ -685,18 +678,11 @@ static int cmd_subvolume_snapshot(const struct cmd_struct *cmd, int argc, char *
 	memset(&args, 0, sizeof(args));
 	optind = 0;
 	while (1) {
-		int c = getopt(argc, argv, "c:i:r");
+		int c = getopt(argc, argv, "i:r");
 		if (c < 0)
 			break;
 
 		switch (c) {
-		case 'c':
-			res = btrfs_qgroup_inherit_add_copy(&inherit, optarg, 0);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		case 'i':
 			res = btrfs_qgroup_inherit_add_group(&inherit, optarg);
 			if (res) {
@@ -707,13 +693,6 @@ static int cmd_subvolume_snapshot(const struct cmd_struct *cmd, int argc, char *
 		case 'r':
 			readonly = true;
 			break;
-		case 'x':
-			res = btrfs_qgroup_inherit_add_copy(&inherit, optarg, 1);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		default:
 			usage_unknown_option(cmd, argv);
 		}