diff --git a/include/spdlog/async_logger-inl.h b/include/spdlog/async_logger-inl.h
index 159e171e..6a945a2f 100644
--- a/include/spdlog/async_logger-inl.h
+++ b/include/spdlog/async_logger-inl.h
@@ -14,14 +14,6 @@
 #include <memory>
 #include <string>
 
-template<typename It>
-SPDLOG_INLINE spdlog::async_logger::async_logger(
-    std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
-    : logger(std::move(logger_name), begin, end)
-    , thread_pool_(std::move(tp))
-    , overflow_policy_(overflow_policy)
-{}
-
 SPDLOG_INLINE spdlog::async_logger::async_logger(
     std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
     : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy)
diff --git a/include/spdlog/async_logger.h b/include/spdlog/async_logger.h
index c6309360..9899837b 100644
--- a/include/spdlog/async_logger.h
+++ b/include/spdlog/async_logger.h
@@ -37,7 +37,11 @@ class async_logger final : public std::enable_shared_from_this<async_logger>, pu
 public:
     template<typename It>
     async_logger(std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp,
-        async_overflow_policy overflow_policy = async_overflow_policy::block);
+        async_overflow_policy overflow_policy = async_overflow_policy::block)
+        : logger(std::move(logger_name), begin, end)
+        , thread_pool_(std::move(tp))
+        , overflow_policy_(overflow_policy)
+    {}
 
     async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp,
         async_overflow_policy overflow_policy = async_overflow_policy::block);