diff --git a/include/spdlog/sinks/ringbuffer_sink-inl.h b/include/spdlog/sinks/ringbuffer_sink-inl.h
deleted file mode 100644
index 7f4f48aa..00000000
--- a/include/spdlog/sinks/ringbuffer_sink-inl.h
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#pragma once
-
-//#ifndef SPDLOG_HEADER_ONLY
-//#include "spdlog/sinks/ringbuffer_sink.h"
-//#endif
-
-#include "spdlog/common.h"
-
-namespace spdlog {
-namespace sinks {
-
-template<typename Mutex>
-SPDLOG_INLINE ringbuffer_sink<Mutex>::ringbuffer_sink(size_t n_items)
-{
-    buf_ = details::circular_q<details::log_msg_buffer>(n_items);
-}
-
-template<typename Mutex>
-SPDLOG_INLINE void ringbuffer_sink<Mutex>::sink_it_(const details::log_msg &msg)
-{
-    buf_.push_back(details::log_msg_buffer{msg});
-}
-
-template<typename Mutex>
-SPDLOG_INLINE std::vector<std::string> ringbuffer_sink<Mutex>::formatted_messages(size_t lim)
-{
-    std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
-    auto n_items = lim > 0 ? (std::min)(lim, buf_.size()) : buf_.size();
-    std::vector<std::string> ret;
-    ret.reserve(n_items);
-    for (size_t i = 0; i < n_items; i++)
-    {
-        memory_buf_t formatted;
-        base_sink<Mutex>::formatter_->format(buf_.at(i), formatted);
-        ret.push_back(fmt::to_string(formatted));
-    }
-    return ret;
-}
-
-template<typename Mutex>
-SPDLOG_INLINE std::vector<details::log_msg_buffer> ringbuffer_sink<Mutex>::raw_messages(size_t lim)
-{
-    std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
-    auto n_items = lim > 0 ? (std::min)(lim, buf_.size()) : buf_.size();
-    std::vector<details::log_msg_buffer> ret;
-    ret.reserve(n_items);
-    for (size_t i = 0; i < n_items; i++)
-    {
-        ret.push_back(buf_.at(i));
-    }
-    return ret;
-}
-
-} // namespace sinks
-} // namespace spdlog