diff --git a/src/core/loader/lz77.cpp b/src/core/loader/lz77.cpp
index 85bb96d2..2acc9eb5 100644
--- a/src/core/loader/lz77.cpp
+++ b/src/core/loader/lz77.cpp
@@ -1,4 +1,3 @@
-#pragma once
 #include <algorithm>
 #include <cstring>
 #include "loader/lz77.hpp"