diff --git a/coding/transliteration.cpp b/coding/transliteration.cpp
index 4bde658a51..fc4e17105b 100644
--- a/coding/transliteration.cpp
+++ b/coding/transliteration.cpp
@@ -152,7 +152,7 @@ bool Transliteration::Transliterate(std::string_view sv, int8_t langCode,
   if (transliteratorsIds.empty())
     return false;
 
-  icu::UnicodeString ustr(sv.data(), sv.size());
+  icu::UnicodeString ustr(sv.data(), static_cast<int32_t>(sv.size()));
   for (auto const & id : transliteratorsIds)
     Transliterate(id, ustr);
 
diff --git a/indexer/editable_map_object.cpp b/indexer/editable_map_object.cpp
index 58d3d5a043..95f7970f86 100644
--- a/indexer/editable_map_object.cpp
+++ b/indexer/editable_map_object.cpp
@@ -25,8 +25,6 @@ using namespace std;
 
 namespace
 {
-size_t const kFakeNamesCount = 2;
-
 bool ExtractName(StringUtf8Multilang const & names, int8_t const langCode,
                  vector<osm::LocalizedName> & result)
 {
diff --git a/iphone/Maps/Bookmarks/BookmarksList/BookmarksListInteractor.swift b/iphone/Maps/Bookmarks/BookmarksList/BookmarksListInteractor.swift
index 352472be59..31f3a1cbd8 100644
--- a/iphone/Maps/Bookmarks/BookmarksList/BookmarksListInteractor.swift
+++ b/iphone/Maps/Bookmarks/BookmarksList/BookmarksListInteractor.swift
@@ -36,8 +36,6 @@ extension BookmarksManagerListener: BookmarksObserver {
       callback(.empty)
     case .archiveError, .fileError:
       callback(.error)
-    @unknown default:
-      fatalError()
     }
   }
 }
diff --git a/iphone/Maps/Classes/Components/Checkmark.swift b/iphone/Maps/Classes/Components/Checkmark.swift
index 7777bd32d4..e325f40472 100644
--- a/iphone/Maps/Classes/Components/Checkmark.swift
+++ b/iphone/Maps/Classes/Components/Checkmark.swift
@@ -90,6 +90,8 @@ class Checkmark: UIControl {
       top = floor((bounds.height - height) / 2)
     case .fill:
       height = bounds.height
+    @unknown default:
+      fatalError("Unexpected case in contentVerticalAlignment switch")
     }
     
     imageView.frame = CGRect(x: left, y: top, width: width, height: height)
diff --git a/iphone/Maps/Core/BackgroundFetchScheduler/BackgroundFetchScheduler.swift b/iphone/Maps/Core/BackgroundFetchScheduler/BackgroundFetchScheduler.swift
index f3fc5d193b..20729b5909 100644
--- a/iphone/Maps/Core/BackgroundFetchScheduler/BackgroundFetchScheduler.swift
+++ b/iphone/Maps/Core/BackgroundFetchScheduler/BackgroundFetchScheduler.swift
@@ -51,6 +51,7 @@ final class BackgroundFetchScheduler: NSObject {
       case .newData: return 3
       case .noData: return 1
       case .failed: return 2
+      @unknown default: fatalError("Unexpected case in UIBackgroundFetchResult switch")
     }
   }
 }
diff --git a/iphone/Maps/UI/Settings/MWMPowerManagmentViewController.mm b/iphone/Maps/UI/Settings/MWMPowerManagmentViewController.mm
index 1327f6fe0c..dee9298318 100644
--- a/iphone/Maps/UI/Settings/MWMPowerManagmentViewController.mm
+++ b/iphone/Maps/UI/Settings/MWMPowerManagmentViewController.mm
@@ -43,25 +43,11 @@ using namespace power_management;
   selectedCell.accessoryType = UITableViewCellAccessoryCheckmark;
 
   _selectedCell = selectedCell;
-  NSString * statisticValue = @"";
-  Scheme scheme = Scheme::None;
+  Scheme scheme = Scheme::Auto;
   if ([selectedCell isEqual:self.never])
-  {
-    statisticValue = @"never";
     scheme = Scheme::Normal;
-  }
   else if ([selectedCell isEqual:self.manualMax])
-  {
-    statisticValue = @"max";
     scheme = Scheme::EconomyMaximum;
-  }
-  else if ([selectedCell isEqual:self.automatic])
-  {
-    statisticValue = @"auto";
-    scheme = Scheme::Auto;
-  }
-  
-  CHECK_NOT_EQUAL(scheme, Scheme::None, ());
   
   GetFramework().GetPowerManager().SetScheme(scheme);
 }