diff --git a/toolkit/mozapps/update/updater/updater.cpp b/toolkit/mozapps/update/updater/updater.cpp
index 7bc7e90dde1..1adf50cd81e 100644
--- a/toolkit/mozapps/update/updater/updater.cpp
+++ b/toolkit/mozapps/update/updater/updater.cpp
@@ -3395,7 +3395,6 @@ int NS_main(int argc, NS_tchar** argv) {
   if (argc == 4 && (strstr(argv[1], "-dmgInstall") != 0)) {
     isDMGInstall = true;
     if (isElevated) {
-      PerformInstallationFromDMG(argc, argv);
       freeArguments(argc, argv);
       CleanupElevatedMacUpdate(true);
       return 0;