diff --git a/Extractor/Extractor.cpp b/Extractor/Extractor.cpp
index ef870a5c1..dd95685df 100644
--- a/Extractor/Extractor.cpp
+++ b/Extractor/Extractor.cpp
@@ -244,7 +244,7 @@ int Extractor::Run(int argc, char *argv[])
         ExtractionContainers extraction_containers;
 
         string_map[""] = 0;
-        extractor_callbacks = new ExtractorCallbacks(extraction_containers, string_map);
+        auto extractor_callbacks = new ExtractorCallbacks(extraction_containers, string_map);
         BaseParser *parser;
         if (file_has_pbf_format)
         {
diff --git a/Extractor/Extractor.h b/Extractor/Extractor.h
index 59ea9ed29..70c943a06 100644
--- a/Extractor/Extractor.h
+++ b/Extractor/Extractor.h
@@ -10,8 +10,6 @@ class ExtractorCallbacks;
 /** \brief Class of 'extract' utility. */
 class Extractor
 {
-    ExtractorCallbacks *extractor_callbacks;
-
   protected:
     unsigned requested_num_threads;
     boost::filesystem::path config_file_path;