diff --git a/CMakeLists.txt b/CMakeLists.txt
index 659789580..b8cba69ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,6 @@ set(minLibtorrent1Version 1.2.19)
 set(minLibtorrentVersion 2.0.9)
 set(minZlibVersion 1.2.11)
 
-include(CheckCXXSourceCompiles) # TODO: migrate to CheckSourceCompiles in CMake >= 3.19
 include(GNUInstallDirs)
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)
diff --git a/src/base/bittorrent/trackerentry.h b/src/base/bittorrent/trackerentry.h
index 8e0b98b1a..377dcc9b9 100644
--- a/src/base/bittorrent/trackerentry.h
+++ b/src/base/bittorrent/trackerentry.h
@@ -32,7 +32,6 @@
 
 #include <QtContainerFwd>
 #include <QHash>
-#include <QMap>
 #include <QString>
 #include <QStringView>
 
@@ -63,8 +62,7 @@ namespace BitTorrent
         QString url {};
         int tier = 0;
 
-        // TODO: Use QHash<TrackerEntry::Endpoint, QHash<int, EndpointStats>> once Qt5 is dropped.
-        QMap<Endpoint, QHash<int, EndpointStats>> stats {};
+        QHash<Endpoint, QHash<int, EndpointStats>> stats {};
 
         // Deprecated fields
         Status status = NotContacted;