diff --git a/generator/feature_sorter.cpp b/generator/feature_sorter.cpp
index 3e49f2605d..e1d94d9adb 100644
--- a/generator/feature_sorter.cpp
+++ b/generator/feature_sorter.cpp
@@ -73,13 +73,6 @@ public:
     m_addrFile = make_unique<FileWriter>(filename + TEMP_ADDR_FILENAME);
   }
 
-  ~FeaturesCollector2()
-  {
-    // Check file size.
-    auto const unused = CheckedFilePosCast(m_dataFile);
-    UNUSED_VALUE(unused);
-  }
-
   void Finish()
   {
     // write version information