diff --git a/src/TulsiGenerator/XcodeProjectGenerator.swift b/src/TulsiGenerator/XcodeProjectGenerator.swift
index 86f64ae..6f114c0 100644
--- a/src/TulsiGenerator/XcodeProjectGenerator.swift
+++ b/src/TulsiGenerator/XcodeProjectGenerator.swift
@@ -594,6 +594,7 @@
     let workspaceSharedDataURL = projectURL.appendingPathComponent("project.xcworkspace/xcshareddata")
     let sharedWorkspaceSettings: [String: Any] = [
       "BuildSystemType": "Original",
+      "DisableBuildSystemDeprecationWarning": true as AnyObject,
       "IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded": false as AnyObject,
     ]
     try writeWorkspaceSettings(sharedWorkspaceSettings,
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index a3f43a8..273ed62 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -4,6 +4,8 @@
 <dict>
 	<key>BuildSystemType</key>
 	<string>Original</string>
+	<key>DisableBuildSystemDeprecationWarning</key>
+	<true/>
 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
 	<false/>
 </dict>