From ada8805f848cfd1a84d34f053c0a72048160a92f Mon Sep 17 00:00:00 2001
From: WhiredPlanck <whiredplanck@outlook.com>
Date: Sat, 14 Oct 2023 15:29:24 +0800
Subject: [PATCH] refactor: drop unused boost optional

---
 src/rime/common.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/rime/common.h b/src/rime/common.h
index ad84b152c9..0c7d637068 100644
--- a/src/rime/common.h
+++ b/src/rime/common.h
@@ -20,7 +20,6 @@
 #include <unordered_set>
 #include <utility>
 #include <vector>
-#include <boost/optional.hpp>
 #define BOOST_BIND_NO_PLACEHOLDERS
 #include <boost/signals2/connection.hpp>
 #include <boost/signals2/signal.hpp>
@@ -39,7 +38,6 @@
 
 namespace rime {
 
-using boost::optional;
 using std::function;
 using std::list;
 using std::make_pair;