diff --git a/toolkit/crashreporter/docs/index.rst b/toolkit/crashreporter/docs/index.rst
index d08c28fb9219..f7313400ef69 100644
--- a/toolkit/crashreporter/docs/index.rst
+++ b/toolkit/crashreporter/docs/index.rst
@@ -255,8 +255,6 @@ Environment variables used internally
 - ``MOZ_CRASHREPORTER_RESTART_XUL_APP_FILE`` - If a XUL app file was specified
   when starting the app it has to be stored in this variable so that the crash
   reporter client can restart the application.
-- ``MOZ_CRASHREPORTER_STRINGS_OVERRIDE`` - Overrides the path used to load the
-  .ini file holding the strings used in the crash reporter client UI.
 
 Environment variables used for development
 ------------------------------------------
diff --git a/toolkit/mozapps/installer/l10n-repack.py b/toolkit/mozapps/installer/l10n-repack.py
index 0371ee477042..063e8de9ed66 100644
--- a/toolkit/mozapps/installer/l10n-repack.py
+++ b/toolkit/mozapps/installer/l10n-repack.py
@@ -15,7 +15,6 @@ import buildconfig
 # localized.
 NON_CHROME = set(
     [
-        "**/crashreporter*.ini",
         "dictionaries",
         "defaultagent_localized.ini",
         "defaults/profile",
diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
index 396efb78753b..952eb5fba9e0 100644
--- a/toolkit/xre/nsAppRunner.cpp
+++ b/toolkit/xre/nsAppRunner.cpp
@@ -4317,25 +4317,6 @@ int XREMain::XRE_mainInit(bool* aExitFlag) {
             getter_AddRefs(userAppDataDir)))) {
       CrashReporter::SetupExtraData(userAppDataDir,
                                     nsDependentCString(mAppData->buildID));
-
-      // see if we have a crashreporter-override.ini in the application
-      // directory
-      nsCOMPtr<nsIFile> overrideini;
-      if (NS_SUCCEEDED(
-              mDirProvider.GetAppDir()->Clone(getter_AddRefs(overrideini))) &&
-          NS_SUCCEEDED(
-              overrideini->AppendNative("crashreporter-override.ini"_ns))) {
-#ifdef XP_WIN
-        nsAutoString overridePathW;
-        overrideini->GetPath(overridePathW);
-        NS_ConvertUTF16toUTF8 overridePath(overridePathW);
-#else
-        nsAutoCString overridePath;
-        overrideini->GetNativePath(overridePath);
-#endif
-
-        SaveWordToEnv("MOZ_CRASHREPORTER_STRINGS_OVERRIDE", overridePath);
-      }
     }
   } else {
     // We might have registered a runtime exception module very early in process