diff --git a/xpfe/appshell/public/nsAppleEvents.h b/xpfe/appshell/public/nsAppleEvents.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsICloseAllWindows.idl b/xpfe/appshell/public/nsICloseAllWindows.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsICmdLineHandler.idl b/xpfe/appshell/public/nsICmdLineHandler.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsICmdLineService.idl b/xpfe/appshell/public/nsICmdLineService.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsINativeAppSupport.idl b/xpfe/appshell/public/nsINativeAppSupport.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsINativeAppSupportWin.idl b/xpfe/appshell/public/nsINativeAppSupportWin.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsISplashScreen.h b/xpfe/appshell/public/nsISplashScreen.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/public/nsIUserInfo.idl b/xpfe/appshell/public/nsIUserInfo.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsCloseAllWindows.js b/xpfe/appshell/src/nsCloseAllWindows.js
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsCommandLineService.cpp b/xpfe/appshell/src/nsCommandLineService.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsCommandLineService.h b/xpfe/appshell/src/nsCommandLineService.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsCommandLineServiceMac.cpp b/xpfe/appshell/src/nsCommandLineServiceMac.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsCommandLineServiceMac.h b/xpfe/appshell/src/nsCommandLineServiceMac.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsUserInfo.h b/xpfe/appshell/src/nsUserInfo.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsUserInfoMac.cpp b/xpfe/appshell/src/nsUserInfoMac.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsUserInfoMac.h b/xpfe/appshell/src/nsUserInfoMac.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsUserInfoOS2.cpp b/xpfe/appshell/src/nsUserInfoOS2.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsUserInfoUnix.cpp b/xpfe/appshell/src/nsUserInfoUnix.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsUserInfoWin.cpp b/xpfe/appshell/src/nsUserInfoWin.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/browser/public/nsIXULBrowserWindow.idl b/xpfe/browser/public/nsIXULBrowserWindow.idl
deleted file mode 100644
index e69de29bb2d..00000000000