diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcbaselines/8BBEA4A5147C727100C4ADB7.xcbaseline/FFE465CA-0E74-40E8-9F09-500B66B7DCB2.plist b/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcbaselines/8BBEA4A5147C727100C4ADB7.xcbaseline/FFE465CA-0E74-40E8-9F09-500B66B7DCB2.plist
deleted file mode 100644
index 0ac0943..0000000
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcbaselines/8BBEA4A5147C727100C4ADB7.xcbaseline/FFE465CA-0E74-40E8-9F09-500B66B7DCB2.plist
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>classNames</key>
-	<dict>
-		<key>PerfTests</key>
-		<dict>
-			<key>testExtensionsPerformance</key>
-			<dict>
-				<key>com.apple.XCTPerformanceMetric_WallClockTime</key>
-				<dict>
-					<key>baselineAverage</key>
-					<real>0.9</real>
-					<key>baselineIntegrationDisplayName</key>
-					<string>Feb 5, 2015, 9:42:41 AM</string>
-				</dict>
-			</dict>
-			<key>testHas</key>
-			<dict>
-				<key>com.apple.XCTPerformanceMetric_WallClockTime</key>
-				<dict>
-					<key>baselineAverage</key>
-					<real>0.09</real>
-					<key>baselineIntegrationDisplayName</key>
-					<string>Feb 5, 2015, 9:42:35 AM</string>
-				</dict>
-			</dict>
-			<key>testMessagePerformance</key>
-			<dict>
-				<key>com.apple.XCTPerformanceMetric_WallClockTime</key>
-				<dict>
-					<key>baselineAverage</key>
-					<real>0.57</real>
-					<key>baselineIntegrationDisplayName</key>
-					<string>Feb 5, 2015, 9:42:47 AM</string>
-				</dict>
-			</dict>
-			<key>testPackedExtensionsPerformance</key>
-			<dict>
-				<key>com.apple.XCTPerformanceMetric_WallClockTime</key>
-				<dict>
-					<key>baselineAverage</key>
-					<real>0.75</real>
-					<key>baselineIntegrationDisplayName</key>
-					<string>Feb 5, 2015, 9:42:51 AM</string>
-				</dict>
-			</dict>
-			<key>testPackedTypesPerformance</key>
-			<dict>
-				<key>com.apple.XCTPerformanceMetric_WallClockTime</key>
-				<dict>
-					<key>baselineAverage</key>
-					<real>0.26</real>
-					<key>baselineIntegrationDisplayName</key>
-					<string>Feb 5, 2015, 9:42:55 AM</string>
-				</dict>
-			</dict>
-		</dict>
-	</dict>
-</dict>
-</plist>
diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcbaselines/8BBEA4A5147C727100C4ADB7.xcbaseline/Info.plist b/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcbaselines/8BBEA4A5147C727100C4ADB7.xcbaseline/Info.plist
deleted file mode 100644
index 45bb9c1..0000000
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcbaselines/8BBEA4A5147C727100C4ADB7.xcbaseline/Info.plist
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>runDestinationsByUUID</key>
-	<dict>
-		<key>FFE465CA-0E74-40E8-9F09-500B66B7DCB2</key>
-		<dict>
-			<key>targetArchitecture</key>
-			<string>arm64</string>
-			<key>targetDevice</key>
-			<dict>
-				<key>modelCode</key>
-				<string>iPhone7,1</string>
-				<key>platformIdentifier</key>
-				<string>com.apple.platform.iphoneos</string>
-			</dict>
-		</dict>
-	</dict>
-</dict>
-</plist>
diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/PerformanceTests.xcscheme b/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/PerformanceTests.xcscheme
index 0b96b75..77483d3 100644
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/PerformanceTests.xcscheme
+++ b/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/PerformanceTests.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0710"
+   LastUpgradeVersion = "0930"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -51,6 +51,12 @@
                   Identifier = "DescriptorTests">
                </Test>
                <Test
+                  Identifier = "GPBAutocreatedArrayTests">
+               </Test>
+               <Test
+                  Identifier = "GPBAutocreatedDictionaryTests">
+               </Test>
+               <Test
                   Identifier = "GPBBoolArrayTests">
                </Test>
                <Test
@@ -90,6 +96,9 @@
                   Identifier = "GPBEnumArrayTests">
                </Test>
                <Test
+                  Identifier = "GPBExtensionRegistryTest">
+               </Test>
+               <Test
                   Identifier = "GPBFloatArrayTests">
                </Test>
                <Test
diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/ProtocolBuffers.xcscheme b/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/ProtocolBuffers.xcscheme
index 7d219bc..bacbcba 100644
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/ProtocolBuffers.xcscheme
+++ b/objectivec/ProtocolBuffers_iOS.xcodeproj/xcshareddata/xcschemes/ProtocolBuffers.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0710"
+   LastUpgradeVersion = "0930"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -54,6 +54,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      codeCoverageEnabled = "YES"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -94,16 +95,15 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
+      <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
-            BlueprintIdentifier = "8B9A5EA41831993600A9D33B"
-            BuildableName = "iOSTestHarness.app"
-            BlueprintName = "iOSTestHarness"
+            BlueprintIdentifier = "7461B52D0F94FAF800A0C422"
+            BuildableName = "libProtocolBuffers.a"
+            BlueprintName = "ProtocolBuffers"
             ReferencedContainer = "container:ProtocolBuffers_iOS.xcodeproj">
          </BuildableReference>
-      </BuildableProductRunnable>
+      </MacroExpansion>
       <AdditionalOptions>
       </AdditionalOptions>
    </LaunchAction>