1 files changed, 0 insertions, 2 deletions
diff --git a/bnf.h b/bnf.h
index 9244b4d..148b6d1 100644
--- a/bnf.h
+++ b/bnf.h
@@ -7,8 +7,6 @@
 #include <utility>
 #include <vector>
 
-using namespace std::string_literals;
-
 using BNF = std::unordered_map<std::string, std::vector<std::vector<std::string>>>;
 
 std::unordered_map<std::string, std::set<std::string>> Reverse(BNF bnf); // unused now, remove?