diff --git a/include/bluetooth/audio/csis.h b/include/bluetooth/audio/csis.h
index 7a6e5f3da3c..4e3e822fdd5 100644
--- a/include/bluetooth/audio/csis.h
+++ b/include/bluetooth/audio/csis.h
@@ -238,18 +238,6 @@ typedef void (*bt_csis_client_discover_sets_cb)(struct bt_conn *conn,
  */
 int bt_csis_client_discover_sets(struct bt_conn *conn);
 
-typedef void (*bt_csis_client_discover_members_cb)(int err, uint8_t set_size,
-						   uint8_t members_found);
-
-/**
- * @brief Start scanning for all devices that are part of a set.
- *
- * @param set The set to find devices for
- *
- * @return int Return 0 on success, or an errno value on error.
- */
-int bt_csis_client_discover_members(struct bt_csis_client_set *set);
-
 typedef void (*bt_csis_client_lock_set_cb)(int err);
 
 /**
@@ -276,39 +264,16 @@ typedef void (*bt_csis_client_lock_changed_cb)(struct bt_conn *conn,
 typedef void (*bt_csis_client_lock_read_cb)(struct bt_conn *conn, int err,
 					    uint8_t inst_idx, bool locked);
 
-/**
- * @brief Callback when the lock value is written to a device.
- *
- * @param conn      Connection of the CSIS server.
- * @param err       Error value. 0 on success, GATT error or errno on fail.
- * @param inst_idx  The index of the CSIS service.
- */
-typedef void (*bt_csis_client_lock_cb)(struct bt_conn *conn, int err,
-				       uint8_t inst_idx);
-
-/**
- * @brief Callback when the release value is written to a device.
- *
- * @param conn      Connection of the CSIS server.
- * @param err       Error value. 0 on success, GATT error or errno on fail.
- * @param inst_idx  The index of the CSIS service.
- */
-typedef void (*bt_csis_client_release_cb)(struct bt_conn *conn, int err,
-					  uint8_t inst_idx);
-
 struct bt_csis_client_cb {
 	/* Set callbacks */
 	bt_csis_client_lock_set_cb             lock_set;
 	bt_csis_client_lock_set_cb             release_set;
-	bt_csis_client_discover_members_cb     members;
 	bt_csis_client_discover_sets_cb        sets;
 	bt_csis_client_lock_changed_cb         lock_changed;
 
 	/* Device specific callbacks */
 	bt_csis_client_discover_cb             discover;
 	bt_csis_client_lock_read_cb            lock_read;
-	bt_csis_client_lock_cb                 lock;
-	bt_csis_client_release_cb              release;
 };
 
 /**
@@ -322,22 +287,6 @@ struct bt_csis_client_cb {
 bool bt_csis_client_is_set_member(uint8_t set_sirk[BT_CSIS_SET_SIRK_SIZE],
 				  struct bt_data *data);
 
-/**
- * @brief Lock the set
- *
- * Connect to and set the lock for all devices in a set.
- *
- * @return Return 0 on success, or an errno value on error.
- */
-int bt_csis_client_lock_set(void);
-
-/**
- * @brief Connect to and release the lock for all devices in a set
- *
- * @return int Return 0 on success, or an errno value on error.
- */
-int bt_csis_client_release_set(void);
-
 /**
  * @brief Registers callbacks for csis_client.
  *
diff --git a/subsys/bluetooth/shell/csis_client.c b/subsys/bluetooth/shell/csis_client.c
index 3e7a19d5137..1dccdc1cc0a 100644
--- a/subsys/bluetooth/shell/csis_client.c
+++ b/subsys/bluetooth/shell/csis_client.c
@@ -148,27 +148,6 @@ static void csis_client_release_set_cb(int err)
 	shell_print(ctx_shell, "Set released");
 }
 
-static void csis_client_lock_cb(struct bt_conn *conn, int err, uint8_t inst_idx)
-{
-	if (err != 0) {
-		shell_error(ctx_shell, "Device (index 0x%02x) lock failed (%d)",
-			    inst_idx, err);
-	}
-
-	shell_print(ctx_shell, "Device (index 0x%02x) locked", inst_idx);
-}
-
-static void csis_client_release_cb(struct bt_conn *conn, int err,
-				   uint8_t inst_idx)
-{
-	if (err != 0) {
-		shell_error(ctx_shell, "Device (index 0x%02x) release "
-			    "failed (%d)", inst_idx, err);
-	}
-
-	shell_print(ctx_shell, "Device (index 0x%02x) released", inst_idx);
-}
-
 static void csis_client_lock_get_cb(struct bt_conn *conn, int err,
 				    uint8_t inst_idx, bool locked)
 {
@@ -186,8 +165,6 @@ static struct bt_csis_client_cb cbs = {
 	.release_set = csis_client_release_set_cb,
 	.sets = csis_client_discover_sets_cb,
 	.discover = csis_discover_cb,
-	.lock = csis_client_lock_cb,
-	.release = csis_client_release_cb,
 	.lock_read = csis_client_lock_get_cb
 };
 
diff --git a/tests/bluetooth/bsim_bt/bsim_test_audio/src/csis_client_test.c b/tests/bluetooth/bsim_bt/bsim_test_audio/src/csis_client_test.c
index cf288b6ce64..d127d61cc93 100644
--- a/tests/bluetooth/bsim_bt/bsim_test_audio/src/csis_client_test.c
+++ b/tests/bluetooth/bsim_bt/bsim_test_audio/src/csis_client_test.c
@@ -47,25 +47,6 @@ static void csis_client_lock_set_cb(int err)
 	set_locked = true;
 }
 
-static void csis_client_discover_members_cb(int err, uint8_t set_size,
-					       uint8_t members_found)
-{
-	printk("Discovered %u/%u set members\n", members_found, set_size);
-
-	if (err != 0) {
-		FAIL("Discover members failed (%d)\n", err);
-		return;
-	}
-
-	if (set_size != members_found) {
-		FAIL("Discover members only found %u/%u devices\n",
-		     members_found, set_size);
-		return;
-	}
-
-	members_discovered = true;
-}
-
 static void csis_client_discover_sets_cb(struct bt_conn *conn, int err,
 					 uint8_t set_count,
 					 struct bt_csis_client_set *sets)
@@ -133,7 +114,6 @@ static struct bt_conn_cb conn_callbacks = {
 static struct bt_csis_client_cb cbs = {
 	.lock_set = csis_client_lock_set_cb,
 	.release_set = csis_client_lock_release_cb,
-	.members = csis_client_discover_members_cb,
 	.sets = csis_client_discover_sets_cb,
 	.discover = csis_discover_cb,
 	.lock_changed = csis_lock_changed_cb,