diff --git a/Charts.xcodeproj/project.pbxproj b/Charts.xcodeproj/project.pbxproj
index 8c0fbfb186..3db23a5772 100644
--- a/Charts.xcodeproj/project.pbxproj
+++ b/Charts.xcodeproj/project.pbxproj
@@ -761,11 +761,11 @@
 			};
 			buildConfigurationList = 493FF4FB1D40FC7C51DDDA6B /* Build configuration list for PBXProject "Charts" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
+				Base,
 			);
 			mainGroup = 865A1CF149F52850CAB7F177;
 			productRefGroup = AB2D554102718F209377399E /* Products */;
diff --git a/Charts.xcodeproj/xcshareddata/xcschemes/Charts.xcscheme b/Charts.xcodeproj/xcshareddata/xcschemes/Charts.xcscheme
index 433e05112e..2adbb36e05 100644
--- a/Charts.xcodeproj/xcshareddata/xcschemes/Charts.xcscheme
+++ b/Charts.xcodeproj/xcshareddata/xcschemes/Charts.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1100"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -39,8 +39,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -68,8 +66,6 @@
             isEnabled = "YES">
          </EnvironmentVariable>
       </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Charts.xcodeproj/xcshareddata/xcschemes/ChartsTests.xcscheme b/Charts.xcodeproj/xcshareddata/xcschemes/ChartsTests.xcscheme
index b3f7d608ae..b82759f6e6 100644
--- a/Charts.xcodeproj/xcshareddata/xcschemes/ChartsTests.xcscheme
+++ b/Charts.xcodeproj/xcshareddata/xcschemes/ChartsTests.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1100"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,8 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -40,8 +40,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -69,8 +67,6 @@
             isEnabled = "YES">
          </EnvironmentVariable>
       </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/ChartsDemo-iOS/ChartsDemo-iOS.xcodeproj/project.pbxproj b/ChartsDemo-iOS/ChartsDemo-iOS.xcodeproj/project.pbxproj
index bf95f7b869..c47a54d3da 100644
--- a/ChartsDemo-iOS/ChartsDemo-iOS.xcodeproj/project.pbxproj
+++ b/ChartsDemo-iOS/ChartsDemo-iOS.xcodeproj/project.pbxproj
@@ -669,10 +669,9 @@
 			};
 			buildConfigurationList = 5B57BBAA1A9B26AA0036A6CC /* Build configuration list for PBXProject "ChartsDemo-iOS" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
 				Base,
 			);
diff --git a/ChartsDemo-macOS/ChartsDemo-macOS.xcodeproj/project.pbxproj b/ChartsDemo-macOS/ChartsDemo-macOS.xcodeproj/project.pbxproj
index f89adb8999..ed178403e0 100644
--- a/ChartsDemo-macOS/ChartsDemo-macOS.xcodeproj/project.pbxproj
+++ b/ChartsDemo-macOS/ChartsDemo-macOS.xcodeproj/project.pbxproj
@@ -161,7 +161,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1100;
 				ORGANIZATIONNAME = dcg;
 				TargetAttributes = {
 					65B3F63D1C73B4F5000983D0 = {
@@ -173,10 +173,9 @@
 			};
 			buildConfigurationList = 65B3F6391C73B4F5000983D0 /* Build configuration list for PBXProject "ChartsDemo-macOS" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
 				Base,
 			);
@@ -370,7 +369,7 @@
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_IDENTITY = "";
+				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = "";
@@ -388,7 +387,7 @@
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_IDENTITY = "";
+				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = "";