diff --git a/include/siadrive_api/siaapi.h b/include/siadrive_api/siaapi.h
index 9dee6cd..b56387c 100644
--- a/include/siadrive_api/siaapi.h
+++ b/include/siadrive_api/siaapi.h
@@ -171,7 +171,6 @@ public:
 	private:
     _SiaRenterAllowance _currentAllowance;
     std::shared_ptr<_CSiaFileTree> _fileTree;
-    std::mutex _fileTreeMutex;
 
 	private:
 		void Refresh(const CSiaCurl& siaCurl, CSiaDriveConfig* siaDriveConfig);
diff --git a/src/siadrive_api/siarenter.cpp b/src/siadrive_api/siarenter.cpp
index e4e3da3..af5b384 100644
--- a/src/siadrive_api/siarenter.cpp
+++ b/src/siadrive_api/siarenter.cpp
@@ -142,10 +142,7 @@ SiaApiError CSiaApi::_CSiaRenter::RefreshFileTree( )
   if (ApiSuccess(cerror))
   {
     tempTree->BuildTree(result);
-    {
-      std::lock_guard<std::mutex> l(_fileTreeMutex);
-      _fileTree = tempTree;
-    }
+     _fileTree = tempTree;
   }
   else
   {