diff --git a/include/bluetooth/conn.h b/include/bluetooth/conn.h
index 391e6afab48..b7855096f31 100644
--- a/include/bluetooth/conn.h
+++ b/include/bluetooth/conn.h
@@ -34,6 +34,8 @@
 #ifndef __BT_CONN_H
 #define __BT_CONN_H
 
+#include <bluetooth/hci.h>
+
 struct bt_conn;
 
 /* Increment conn reference count */
@@ -42,6 +44,9 @@ struct bt_conn *bt_conn_get(struct bt_conn *conn);
 /* Decrement conn reference count */
 void bt_conn_put(struct bt_conn *conn);
 
+/* Look up an existing connection by address */
+struct bt_conn *bt_conn_lookup_addr_le(const bt_addr_le_t *peer);
+
 struct bt_conn_cb {
 	void (*connected)(struct bt_conn *conn);
 	void (*disconnected)(struct bt_conn *conn);
diff --git a/net/bluetooth/conn_internal.h b/net/bluetooth/conn_internal.h
index 204d286aefb..3d8bb8acc7f 100644
--- a/net/bluetooth/conn_internal.h
+++ b/net/bluetooth/conn_internal.h
@@ -91,6 +91,3 @@ void bt_conn_del(struct bt_conn *conn);
 
 /* Look up an existing connection */
 struct bt_conn *bt_conn_lookup_handle(uint16_t handle);
-
-/* Look up an existing connection by address */
-struct bt_conn *bt_conn_lookup_addr_le(const bt_addr_le_t *peer);