diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index 7126cab7..ff54ae81 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -138,7 +138,6 @@ async function apiCommandExec(command) {
             const options = apiOptionsGetSync();
             options.general.enable = !options.general.enable;
             await optionsSave(options);
-            await apiOptionsSet(options);
         }
     };
 
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 39fd4288..c1cef0c5 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -85,10 +85,6 @@ class Backend {
                 forward(apiOptionsGet(), callback);
             },
 
-            optionsSet: ({options, callback}) => {
-                forward(apiOptionsSet(options), callback);
-            },
-
             kanjiFind: ({text, callback}) => {
                 forward(apiKanjiFind(text), callback);
             },
diff --git a/ext/fg/js/api.js b/ext/fg/js/api.js
index 6bcb0dbb..aa3b2629 100644
--- a/ext/fg/js/api.js
+++ b/ext/fg/js/api.js
@@ -17,10 +17,6 @@
  */
 
 
-function apiOptionsSet(options) {
-    return utilInvoke('optionsSet', {options});
-}
-
 function apiOptionsGet() {
     return utilInvoke('optionsGet');
 }