diff --git a/src/chrome/content/overlay-injectors/messenger.js b/src/chrome/content/overlay-injectors/messenger.js
index 85f1d48..40c0a29 100644
--- a/src/chrome/content/overlay-injectors/messenger.js
+++ b/src/chrome/content/overlay-injectors/messenger.js
@@ -1,5 +1,3 @@
-const Services = globalThis.Services;
-
 Services.scriptloader.loadSubScript("chrome://removedupes/content/removedupes.js", window, "UTF-8");
 
 function injectToolbarButton() {
diff --git a/src/chrome/content/removedupes-common.js b/src/chrome/content/removedupes-common.js
index 387a4b1..22fbc3e 100644
--- a/src/chrome/content/removedupes-common.js
+++ b/src/chrome/content/removedupes-common.js
@@ -1,7 +1,6 @@
 var EXPORTED_SYMBOLS = ["RemoveDupes"];
 var RemoveDupes = {};
 
-const   Services      = globalThis.Services;
 const { MailServices } = ChromeUtils.importESModule("resource:///modules/MailServices.sys.mjs");
 const { XPCOMUtils   } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs");
 
diff --git a/src/chrome/content/removedupes-dialog.js b/src/chrome/content/removedupes-dialog.js
index e62787b..d7a6f8d 100644
--- a/src/chrome/content/removedupes-dialog.js
+++ b/src/chrome/content/removedupes-dialog.js
@@ -1,5 +1,4 @@
 const { RemoveDupes } = ChromeUtils.import("chrome://removedupes/content/removedupes-common.js");
-const   Services      = globalThis.Services;
 const { MailUtils   } = ChromeUtils.importESModule("resource:///modules/MailUtils.sys.mjs");
 
 var msgWindow;