diff --git a/vChewingDebug.xcworkspace/contents.xcworkspacedata b/vChewingDebug.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 94b2795e..00000000
--- a/vChewingDebug.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-</Workspace>
diff --git a/vChewingDebug.xcworkspace/xcshareddata/xcschemes/vChewing.xcscheme b/vChewingDebug.xcworkspace/xcshareddata/xcschemes/vChewing.xcscheme
deleted file mode 100644
index f0c8830b..00000000
--- a/vChewingDebug.xcworkspace/xcshareddata/xcschemes/vChewing.xcscheme
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "1320"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <PathRunnable
-         runnableDebuggingMode = "0"
-         BundleIdentifier = "org.atelierInmu.inputmethod.vChewing"
-         FilePath = "~/Library/Input Methods/vChewing.app">
-      </PathRunnable>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>