diff --git a/app/components/code-mirror.ts b/app/components/code-mirror.ts
index d09e88f148..e9eab0d637 100644
--- a/app/components/code-mirror.ts
+++ b/app/components/code-mirror.ts
@@ -312,7 +312,7 @@ const OPTION_HANDLERS: OptionHandlersSignature = {
             original: originalDocument,
             mergeControls: !!mergeControls,
             collapseUnchanged: collapseUnchanged ? { margin: 3, minSize: 4 } : undefined,
-            highlightChanges: true,
+            highlightChanges: false,
             syntaxHighlightDeletions: true,
           }),
         ]