diff --git a/toml/parser.hpp b/toml/parser.hpp
index 56fe4e9..6927f93 100644
--- a/toml/parser.hpp
+++ b/toml/parser.hpp
@@ -1059,8 +1059,6 @@ struct parse_data
 template<typename traits = std::char_traits<toml::character>>
 toml::Table parse(std::basic_istream<toml::character, traits>& is)
 {
-    const auto curloc = is.getloc();
-    is.imbue(std::locale("en_US.utf-8"));
     const auto initial = is.tellg();
     is.seekg(0, std::ios::end);
     const auto eofpos  = is.tellg();
@@ -1068,13 +1066,12 @@ toml::Table parse(std::basic_istream<toml::character, traits>& is)
     is.seekg(initial);
     std::vector<toml::character> contents(size);
     is.read(contents.data(), size);
-    is.imbue(curloc);
     return parse_data::invoke(contents.cbegin(), contents.cend());
 }
 
 toml::Table parse(const std::string& filename)
 {
-    std::ifstream ifs(filename);
+    std::ifstream ifs(filename, std::ios::binary);
     if(!ifs.good()) throw std::runtime_error("file open error: " + filename);
     return parse(ifs);
 }