diff --git a/modules/ptcloud/src/slam/map.cpp b/modules/ptcloud/src/slam/map.cpp
index fc958aa3d0..cabece130e 100644
--- a/modules/ptcloud/src/slam/map.cpp
+++ b/modules/ptcloud/src/slam/map.cpp
@@ -6,7 +6,6 @@
 
 #include "precomp.hpp"
 
-#include <mutex>
 #include <set>
 #include <unordered_map>
 
@@ -24,7 +23,6 @@ struct Map::Impl
     KeyFrame* currentKf = nullptr;
 
     std::vector<Matx44d> trajectory;
-    std::mutex mutex;
 
     int nextKfId = 0;
     int nextMpId = 0;
diff --git a/modules/ptcloud/src/slam/precomp.hpp b/modules/ptcloud/src/slam/precomp.hpp
index dc9fc8dff5..8bef8b8c6d 100644
--- a/modules/ptcloud/src/slam/precomp.hpp
+++ b/modules/ptcloud/src/slam/precomp.hpp
@@ -21,7 +21,6 @@
 #include <cstdint>
 #include <limits>
 #include <map>
-#include <mutex>
 #include <set>
 #include <unordered_map>
 #include <unordered_set>