diff --git a/frontend/src/locales/de.json b/frontend/src/locales/de.json
index ef81d463e..62edd9815 100644
--- a/frontend/src/locales/de.json
+++ b/frontend/src/locales/de.json
@@ -203,10 +203,8 @@
   "login": "Anmeldung",
   "math": {
     "aprox": "~",
-    "divide": "/",
     "equal": "=",
     "exclaim": "!",
-    "lower": "<",
     "minus": "−",
     "pipe": "|"
   },
diff --git a/frontend/src/locales/en.json b/frontend/src/locales/en.json
index 47753487d..1cbdc5a8a 100644
--- a/frontend/src/locales/en.json
+++ b/frontend/src/locales/en.json
@@ -203,10 +203,8 @@
   "login": "Login",
   "math": {
     "aprox": "~",
-    "divide": "/",
     "equal": "=",
     "exclaim": "!",
-    "lower": "<",
     "minus": "−",
     "pipe": "|"
   },