diff --git a/include/spdlog/sinks/null_sink.h b/include/spdlog/sinks/null_sink.h
index 72ea281b..e8ea21f1 100644
--- a/include/spdlog/sinks/null_sink.h
+++ b/include/spdlog/sinks/null_sink.h
@@ -23,14 +23,14 @@ using null_sink_st = null_sink<details::null_mutex>;
 }  // namespace sinks
 
 template <typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> null_logger_mt(const std::string &logger_name) {
+std::shared_ptr<logger> null_logger_mt(const std::string &logger_name) {
     auto null_logger = Factory::template create<sinks::null_sink_mt>(logger_name);
     null_logger->set_level(level::off);
     return null_logger;
 }
 
 template <typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> null_logger_st(const std::string &logger_name) {
+std::shared_ptr<logger> null_logger_st(const std::string &logger_name) {
     auto null_logger = Factory::template create<sinks::null_sink_st>(logger_name);
     null_logger->set_level(level::off);
     return null_logger;