diff --git a/include/util/ini_file.hpp b/include/util/ini_file.hpp
index 1ccc302e8..64c793277 100644
--- a/include/util/ini_file.hpp
+++ b/include/util/ini_file.hpp
@@ -12,11 +12,8 @@ namespace osrm
 namespace util
 {
 
-namespace
-{
-
 // support old capitalized option names by down-casing them with a regex replace
-std::string read_file_lower_content(const boost::filesystem::path &path)
+inline std::string read_file_lower_content(const boost::filesystem::path &path)
 {
     boost::filesystem::fstream config_stream(path);
     std::string ini_file_content((std::istreambuf_iterator<char>(config_stream)),
@@ -27,6 +24,5 @@ std::string read_file_lower_content(const boost::filesystem::path &path)
 }
 }
 }
-}
 
 #endif // INI_FILE_HPP
diff --git a/include/util/std_hash.hpp b/include/util/std_hash.hpp
index ff5ac187b..b456ab1ca 100644
--- a/include/util/std_hash.hpp
+++ b/include/util/std_hash.hpp
@@ -6,9 +6,6 @@
 // this is largely inspired by boost's hash combine as can be found in
 // "The C++ Standard Library" 2nd Edition. Nicolai M. Josuttis. 2012.
 
-namespace
-{
-
 template <typename T> void hash_combine(std::size_t &seed, const T &val)
 {
     seed ^= std::hash<T>()(val) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
@@ -29,7 +26,6 @@ template <typename... Types> std::size_t hash_val(const Types &... args)
     hash_val(seed, args...);
     return seed;
 }
-}
 
 namespace std
 {