diff --git a/coding/CMakeLists.txt b/coding/CMakeLists.txt
index 4f34c3e..1c99408 100644
--- a/coding/CMakeLists.txt
+++ b/coding/CMakeLists.txt
@@ -60,8 +60,6 @@ set(
   reader_wrapper.hpp
   reader_writer_ops.cpp
   reader_writer_ops.hpp
-  sha1.cpp
-  sha1.hpp
   simple_dense_coding.cpp
   simple_dense_coding.hpp
   string_utf8_multilang.cpp
diff --git a/coding/sha1.cpp b/coding/sha1.cpp
deleted file mode 100644
index b437de8..0000000
--- a/coding/sha1.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#include "coding/sha1.hpp"
-
-
-namespace coding
-{
-// static
-SHA1::Hash SHA1::Calculate(std::string const & /*filePath*/)
-{
-  return {};
-}
-
-// static
-std::string SHA1::CalculateBase64(std::string const & /*filePath*/)
-{
-  return {};
-}
-
-// static
-SHA1::Hash SHA1::CalculateForString(std::string const & /*str*/)
-{
-  return {};
-}
-
-// static
-std::string SHA1::CalculateForStringFormatted(std::string const & /*str*/)
-{
-  return {};
-}
-
-// static
-std::string SHA1::CalculateBase64ForString(std::string const & /*str*/)
-{
-  return {};
-}
-}  // coding
diff --git a/coding/sha1.hpp b/coding/sha1.hpp
deleted file mode 100644
index b37eac6..0000000
--- a/coding/sha1.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#pragma once
-#pragma message("sha1.hpp is dummy header, delete it or suffer the warning")
-
-#include <array>
-#include <string>
-
-namespace coding
-{
-class SHA1
-{
-public:
-  static size_t constexpr kHashSizeInBytes = 20;
-  using Hash = std::array<uint8_t, kHashSizeInBytes>;
-
-  static Hash Calculate(std::string const & filePath);
-  static std::string CalculateBase64(std::string const & filePath);
-
-  static Hash CalculateForString(std::string const & str);
-  // String representation of 40-number hex digit.
-  static std::string CalculateForStringFormatted(std::string const & str);
-  static std::string CalculateBase64ForString(std::string const & str);
-};
-}  // coding
diff --git a/platform/country_file.hpp b/platform/country_file.hpp
index c1b575d..c077dcd 100644
--- a/platform/country_file.hpp
+++ b/platform/country_file.hpp
@@ -25,9 +25,6 @@ public:
   void SetRemoteSizes(MwmSize mapSize, MwmSize routingSize);
   MwmSize GetRemoteSize(MapOptions file) const;
 
-  void SetSha1(std::string const & base64Sha1) { m_sha1 = base64Sha1; }
-  std::string const & GetSha1() const { return m_sha1; }
-
   inline bool operator<(const CountryFile & rhs) const { return m_name < rhs.m_name; }
   inline bool operator==(const CountryFile & rhs) const { return m_name == rhs.m_name; }
   inline bool operator!=(const CountryFile & rhs) const { return !(*this == rhs); }
@@ -39,8 +36,6 @@ private:
   std::string m_name;
   MwmSize m_mapSize = 0;
   MwmSize m_routingSize = 0;
-  /// \note SHA1 is encoded to base64.
-  std::string m_sha1;
 };
 
 /// \returns This method returns file name with extension. For example Abkhazia.mwm or
diff --git a/platform/local_country_file.cpp b/platform/local_country_file.cpp
index 1c56b4b..8599e52 100644
--- a/platform/local_country_file.cpp
+++ b/platform/local_country_file.cpp
@@ -4,7 +4,6 @@
 #include "platform/platform.hpp"
 
 #include "coding/internal/file_data.hpp"
-#include "coding/sha1.hpp"
 
 #include "base/file_name_utils.hpp"
 #include "base/logging.hpp"
@@ -109,13 +108,6 @@ bool LocalCountryFile::operator==(LocalCountryFile const & rhs) const
          m_version == rhs.m_version && m_files == rhs.m_files;
 }
 
-bool LocalCountryFile::ValidateIntegrity() const
-{
-  auto calculatedSha1 = coding::SHA1::CalculateBase64(GetPath(MapOptions::Map));
-  ASSERT_EQUAL(calculatedSha1, m_countryFile.GetSha1(), ("Integrity failure"));
-  return calculatedSha1 == m_countryFile.GetSha1();
-}
-
 // static
 LocalCountryFile LocalCountryFile::MakeForTesting(string const & countryFileName, int64_t version)
 {
diff --git a/platform/local_country_file.hpp b/platform/local_country_file.hpp
index e290efd..e27add3 100644
--- a/platform/local_country_file.hpp
+++ b/platform/local_country_file.hpp
@@ -77,8 +77,6 @@ public:
   bool operator==(LocalCountryFile const & rhs) const;
   bool operator!=(LocalCountryFile const & rhs) const { return !(*this == rhs); }
 
-  bool ValidateIntegrity() const;
-
   // Creates LocalCountryFile for test purposes, for a country region
   // with countryFileName (without any extensions). Automatically
   // performs sync with disk.