diff --git a/CMakeLists.txt b/CMakeLists.txt
index ce0fb4f..4685ae3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,6 @@ set(dependencies
     espchrono
     espcpputils
     espwifistack
-    expected
     fmt
 )
 
diff --git a/src/asyncmdnssearch.cpp b/src/asyncmdnssearch.cpp
index 2349b82..30ae931 100644
--- a/src/asyncmdnssearch.cpp
+++ b/src/asyncmdnssearch.cpp
@@ -26,19 +26,19 @@ AsyncMdnsSearch &AsyncMdnsSearch::operator=(AsyncMdnsSearch &&other)
     return *this;
 }
 
-tl::expected<void, std::string> AsyncMdnsSearch::startSearch(const char *name, const char *service, const char *proto, uint16_t type, std::chrono::milliseconds timeout, size_t max_results)
+std::expected<void, std::string> AsyncMdnsSearch::startSearch(const char *name, const char *service, const char *proto, uint16_t type, std::chrono::milliseconds timeout, size_t max_results)
 {
     ESP_LOGD(TAG, "starting search...");
 
     if (searchStarted())
-        return tl::make_unexpected("last scan not finished yet");
+        return std::unexpected("last scan not finished yet");
 
     if (!max_results)
-        return tl::make_unexpected("max_results should be greater than 0");
+        return std::unexpected("max_results should be greater than 0");
 
     m_mdnsScan = mdns_query_async_new(name, service, proto, type, timeout.count(), max_results, nullptr);
     if (!searchStarted())
-        return tl::make_unexpected("mdns_query_async_new() returned invalid");
+        return std::unexpected("mdns_query_async_new() returned invalid");
 
     return {};
 }
diff --git a/src/asyncmdnssearch.h b/src/asyncmdnssearch.h
index 8626ead..5e5a513 100644
--- a/src/asyncmdnssearch.h
+++ b/src/asyncmdnssearch.h
@@ -4,13 +4,11 @@
 #include <string>
 #include <chrono>
 #include <optional>
+#include <expected>
 
 // esp-idf includes
 #include <mdns.h>
 
-// 3rdparty lib includes
-#include <tl/expected.hpp>
-
 // local includes
 #include "asyncmdnsresults.h"
 
@@ -27,7 +25,7 @@ public:
 
     bool searchStarted() const { return m_mdnsScan; }
 
-    tl::expected<void, std::string> startSearch(const char *name, const char *service, const char *proto, uint16_t type, std::chrono::milliseconds timeout, size_t max_results);
+    std::expected<void, std::string> startSearch(const char *name, const char *service, const char *proto, uint16_t type, std::chrono::milliseconds timeout, size_t max_results);
     std::optional<AsyncMdnsResults> getResults();
     void deleteSearch();