diff --git a/iphone/Maps/Categories/String+Format.swift b/iphone/Maps/Categories/String+Format.swift
deleted file mode 100644
index 010924a1e2..0000000000
--- a/iphone/Maps/Categories/String+Format.swift
+++ /dev/null
@@ -1,18 +0,0 @@
-extension String {
-  init(coreFormat: String, arguments: [CVarArg]) {
-    let format = coreFormat.replacingOccurrences(of: "%s", with: "%@")
-    self.init(format: format, arguments: arguments.map { "\($0)" })
-  }
-}
-
-extension NSString {
-  @objc
-  static func string(coreFormat: String, arguments: [AnyObject]) -> NSString {
-    return NSString(coreFormat: coreFormat, arguments: arguments)
-  }
-
-  @objc
-  convenience init(coreFormat: String, arguments: [AnyObject]) {
-    self.init(string: String(coreFormat: coreFormat, arguments: arguments as! [CVarArg]))
-  }
-}
diff --git a/iphone/Maps/Classes/CarPlay/CarPlayRouter.swift b/iphone/Maps/Classes/CarPlay/CarPlayRouter.swift
index 892def0d40..f65a142ab7 100644
--- a/iphone/Maps/Classes/CarPlay/CarPlayRouter.swift
+++ b/iphone/Maps/Classes/CarPlay/CarPlayRouter.swift
@@ -261,7 +261,7 @@ extension CarPlayRouter {
     if routeInfo.roundExitNumber != 0 {
       let ordinalExitNumber = NumberFormatter.localizedString(from: NSNumber(value: routeInfo.roundExitNumber),
                                                               number: .ordinal)
-      let exitNumber = String(coreFormat: L("carplay_roundabout_exit"),
+      let exitNumber = String(format: L("carplay_roundabout_exit"),
                               arguments: [ordinalExitNumber])
       instructionVariant = instructionVariant.isEmpty ? exitNumber : (exitNumber + ", " + instructionVariant)
     }
diff --git a/iphone/Maps/Classes/CustomViews/NavigationDashboard/Views/RoutePreview/RoutePreviewStatus/BaseRoutePreviewStatus.swift b/iphone/Maps/Classes/CustomViews/NavigationDashboard/Views/RoutePreview/RoutePreviewStatus/BaseRoutePreviewStatus.swift
index 03a720a638..b4a7177d5b 100644
--- a/iphone/Maps/Classes/CustomViews/NavigationDashboard/Views/RoutePreview/RoutePreviewStatus/BaseRoutePreviewStatus.swift
+++ b/iphone/Maps/Classes/CustomViews/NavigationDashboard/Views/RoutePreview/RoutePreviewStatus/BaseRoutePreviewStatus.swift
@@ -152,7 +152,7 @@ final class BaseRoutePreviewStatus: SolidTouchView {
   @objc func onNavigationInfoUpdated(_ info: MWMNavigationDashboardEntity) {
     navigationInfo = info
     updateResultsLabel()
-    arriveLabel?.text = String(coreFormat: L("routing_arrive"), arguments: [info.arrival])
+    arriveLabel?.text = String(format: L("routing_arrive"), arguments: [info.arrival])
   }
 
   override var sideButtonsAreaAffectDirections: MWMAvailableAreaAffectDirections {
diff --git a/iphone/Maps/Maps.xcodeproj/project.pbxproj b/iphone/Maps/Maps.xcodeproj/project.pbxproj
index 9d4bcf5ada..7b93dd8d5b 100644
--- a/iphone/Maps/Maps.xcodeproj/project.pbxproj
+++ b/iphone/Maps/Maps.xcodeproj/project.pbxproj
@@ -79,7 +79,6 @@
 		3472B5D3200F501500DC6CD5 /* BackgroundFetchTaskFrameworkType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3472B5D1200F501500DC6CD5 /* BackgroundFetchTaskFrameworkType.swift */; };
 		3472B5E1200F86C800DC6CD5 /* MWMEditorHelper.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3472B5DF200F86C800DC6CD5 /* MWMEditorHelper.mm */; };
 		34763EE71F2F392300F4D2D3 /* MWMTextToSpeech.mm in Sources */ = {isa = PBXBuildFile; fileRef = 34763EE51F2F392300F4D2D3 /* MWMTextToSpeech.mm */; };
-		34763F071F3092E700F4D2D3 /* String+Format.swift in Sources */ = {isa = PBXBuildFile; fileRef = 34763F051F3092E700F4D2D3 /* String+Format.swift */; };
 		34845DAF1E1649F6003D55B9 /* DownloaderNoResultsEmbedViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 34845DAD1E1649F6003D55B9 /* DownloaderNoResultsEmbedViewController.swift */; };
 		34845DB31E165E24003D55B9 /* SearchNoResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 34845DB11E165E24003D55B9 /* SearchNoResultsViewController.swift */; };
 		34845DB71E166084003D55B9 /* Common.swift in Sources */ = {isa = PBXBuildFile; fileRef = 34845DB51E166084003D55B9 /* Common.swift */; };
@@ -811,7 +810,6 @@
 		34763EE51F2F392300F4D2D3 /* MWMTextToSpeech.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = MWMTextToSpeech.mm; sourceTree = "<group>"; };
 		34763EE91F2F394D00F4D2D3 /* MWMTextToSpeech+CPP.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "MWMTextToSpeech+CPP.h"; sourceTree = "<group>"; };
 		34763EEA1F2F3AD700F4D2D3 /* MWMTextToSpeechObserver.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MWMTextToSpeechObserver.h; sourceTree = "<group>"; };
-		34763F051F3092E700F4D2D3 /* String+Format.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "String+Format.swift"; sourceTree = "<group>"; };
 		34763F0B1F30CCAC00F4D2D3 /* MWMEditorCellType.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MWMEditorCellType.h; sourceTree = "<group>"; };
 		347AD8081F28B4E6007ACB68 /* MWMSearchManagerObserver.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MWMSearchManagerObserver.h; sourceTree = "<group>"; };
 		34845DAD1E1649F6003D55B9 /* DownloaderNoResultsEmbedViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DownloaderNoResultsEmbedViewController.swift; sourceTree = "<group>"; };
@@ -2033,7 +2031,6 @@
 				3454D79E1E07F045004AF2AD /* NSString+Categories.h */,
 				3454D79F1E07F045004AF2AD /* NSString+Categories.m */,
 				3457C4241F680F1900028233 /* String+BoundingRect.swift */,
-				34763F051F3092E700F4D2D3 /* String+Format.swift */,
 				3454D7A01E07F045004AF2AD /* UIButton+Orientation.h */,
 				3454D7A11E07F045004AF2AD /* UIButton+Orientation.m */,
 				34D3AFF41E37A36A004100F9 /* UICollectionView+Cells.swift */,
@@ -3962,7 +3959,6 @@
 				34AB66831FC5AA330078E451 /* NavigationAddPointToastView.swift in Sources */,
 				F6E2FE4C1E097BA00083EBEC /* MWMPlacePageManager.mm in Sources */,
 				3404757E1E081B3300C92850 /* iosOGLContext.mm in Sources */,
-				34763F071F3092E700F4D2D3 /* String+Format.swift in Sources */,
 				993F5513237C622700545511 /* DeepLinkHandler.swift in Sources */,
 				993DF11223F6BDB100AC231A /* UIImageRenderer.swift in Sources */,
 				F6E2FD5C1E097BA00083EBEC /* MWMMapDownloaderCellHeader.m in Sources */,
diff --git a/iphone/Maps/UI/Autoupdate/MWMAutoupdateController.mm b/iphone/Maps/UI/Autoupdate/MWMAutoupdateController.mm
index 876ca57569..81759c6a05 100644
--- a/iphone/Maps/UI/Autoupdate/MWMAutoupdateController.mm
+++ b/iphone/Maps/UI/Autoupdate/MWMAutoupdateController.mm
@@ -70,8 +70,7 @@ using namespace storage;
 {
   _updateSize = updateSize;
   self.primaryButton.localizedText =
-      [NSString stringWithCoreFormat:L(@"whats_new_auto_update_button_size")
-                           arguments:@[self.updateSize]];
+      [NSString stringWithFormat:L(@"whats_new_auto_update_button_size"), self.updateSize];
 }
 
 - (void)stateDownloading
@@ -125,8 +124,7 @@ using namespace storage;
     NSString * percent = [numberFormatter stringFromNumber:@(prog)];
     NSString * downloadedSize = formattedSize(progress.m_bytesDownloaded);
     NSString * totalSize = formattedSize(progress.m_bytesTotal);
-    self.progressLabel.text = [NSString stringWithCoreFormat:L(@"downloader_percent")
-                                                   arguments:@[percent, downloadedSize, totalSize]];
+    self.progressLabel.text = [NSString stringWithFormat:L(@"downloader_percent"), percent, downloadedSize, totalSize];
   }
   else
   {
@@ -135,7 +133,7 @@ using namespace storage;
 
   BOOL const isApplying = nodeAttrs.m_status == storage::NodeStatus::Applying;
   NSString * format = L(isApplying ? @"downloader_applying" : @"downloader_process");
-  self.legendLabel.text = [NSString stringWithCoreFormat:format arguments:@[nodeName]];
+  self.legendLabel.text = [NSString stringWithFormat:format, nodeName];
 }
 
 @end