diff --git a/frappe/core/doctype/server_script/server_script.js b/frappe/core/doctype/server_script/server_script.js
index fd33e36b1f..ca34af11ab 100644
--- a/frappe/core/doctype/server_script/server_script.js
+++ b/frappe/core/doctype/server_script/server_script.js
@@ -12,7 +12,7 @@ frappe.ui.form.on('Server Script', {
 
 		if (!frm.is_new()) {
 			frm.add_custom_button(__('Compare Versions'), () => {
-				let diff = new frappe.ui.DiffView("Server Script", "script", frm.doc.name);
+				new frappe.ui.DiffView("Server Script", "script", frm.doc.name);
 			});
 		}
 
diff --git a/frappe/custom/doctype/client_script/client_script.js b/frappe/custom/doctype/client_script/client_script.js
index 0ccf060839..ad9c9e4e42 100644
--- a/frappe/custom/doctype/client_script/client_script.js
+++ b/frappe/custom/doctype/client_script/client_script.js
@@ -46,7 +46,7 @@ frappe.ui.form.on('Client Script', {
 
 			if (!frm.is_new()) {
 				frm.add_custom_button(__('Compare Versions'), () => {
-					let diff = new frappe.ui.DiffView("Client Script", "script", frm.doc.name);
+					new frappe.ui.DiffView("Client Script", "script", frm.doc.name);
 				});
 			}
 		}
diff --git a/frappe/utils/diff.py b/frappe/utils/diff.py
index 6d6a8c964a..bc6d8373b3 100644
--- a/frappe/utils/diff.py
+++ b/frappe/utils/diff.py
@@ -1,6 +1,6 @@
 import json
 from difflib import unified_diff
-from typing import List, Tuple
+from typing import List
 
 import frappe