diff --git a/app/hooks/useDictionary.ts b/app/hooks/useDictionary.ts
index 6472c88cc..6e9f9c383 100644
--- a/app/hooks/useDictionary.ts
+++ b/app/hooks/useDictionary.ts
@@ -72,8 +72,6 @@ export default function useDictionary() {
       mathBlock: t("Math block (LaTeX)"),
       tip: t("Tip"),
       tipNotice: t("Tip notice"),
-      showDiagram: t("Show diagram"),
-      showSource: t("Show source"),
       warning: t("Warning"),
       warningNotice: t("Warning notice"),
       success: t("Success"),
diff --git a/shared/i18n/locales/en_US/translation.json b/shared/i18n/locales/en_US/translation.json
index 52c31eff4..34d716d0b 100644
--- a/shared/i18n/locales/en_US/translation.json
+++ b/shared/i18n/locales/en_US/translation.json
@@ -337,8 +337,6 @@
   "Math block (LaTeX)": "Math block (LaTeX)",
   "Tip": "Tip",
   "Tip notice": "Tip notice",
-  "Show diagram": "Show diagram",
-  "Show source": "Show source",
   "Warning": "Warning",
   "Warning notice": "Warning notice",
   "Success": "Success",