diff --git a/test/segment.cpp b/test/segment.cpp
index f3d77d7..b2a501f 100644
--- a/test/segment.cpp
+++ b/test/segment.cpp
@@ -1,6 +1,5 @@
 #include <iostream>
 #include <fstream>
-#include "../src/Limonp/ArgvContext.hpp"
 #include "../src/MPSegment.hpp"
 #include "../src/HMMSegment.hpp"
 #include "../src/MixSegment.hpp"