diff --git a/platform/local_country_file_utils.cpp b/platform/local_country_file_utils.cpp
index 9943522f95..85c8613a7f 100644
--- a/platform/local_country_file_utils.cpp
+++ b/platform/local_country_file_utils.cpp
@@ -92,7 +92,7 @@ bool IsSpecialName(string const & name) { return name == "." || name == ".."; }
 
 bool IsDownloaderFile(string const & name)
 {
-  static StringsRegexpFilter filter(".*\\.(downloading|resume|ready)[0-9]?$");
+  static StringsRegexpFilter const filter(".*\\.(downloading|resume|ready)[0-9]?$");
   return filter.Matches(name);
 }
 
diff --git a/platform/local_country_file_utils.hpp b/platform/local_country_file_utils.hpp
index f241cd3210..cee7f88e69 100644
--- a/platform/local_country_file_utils.hpp
+++ b/platform/local_country_file_utils.hpp
@@ -15,9 +15,6 @@ namespace platform
 // Removes all files downloader creates during downloading of a country.
 void DeleteDownloaderFilesForCountry(CountryFile const & countryFile, int64_t version);
 
-void CleanupMapsDirectory(int64_t latestVersion, vector<LocalCountryFile> const & localFiles,
-                          function<bool(string const & filename)> const & isCountryName);
-
 // Finds all local map files in |directory|. Version of these files is
 // passed as an argument. Also, performs cleanup described in comment
 // for FindAllLocalMapsAndCleanup().
@@ -46,7 +43,7 @@ void FindAllLocalMapsAndCleanup(int64_t latestVersion, vector<LocalCountryFile>
 // * partially downloaded non-latest maps (with version less than |latestVersion|)
 // * empty directories
 // * old (format v1) maps
-// * old (splitted) Japan and Brazil maps
+// * old (split) Japan and Brazil maps
 // * indexes for absent countries
 void CleanupMapsDirectory(int64_t latestVersion);