3 files changed, 5 insertions, 3 deletions
diff --git a/ext/js/comm/cross-frame-api.js b/ext/js/comm/cross-frame-api.js
index 0d3f3275..023ca18e 100644
--- a/ext/js/comm/cross-frame-api.js
+++ b/ext/js/comm/cross-frame-api.js
@@ -351,7 +351,7 @@ export class CrossFrameAPI {
     }
 
     /**
-     * @param {import('core').MessageHandlerArray} messageHandlers
+     * @param {import('core').MessageHandlerMapInit} messageHandlers
      * @throws {Error}
      */
     registerHandlers(messageHandlers) {
diff --git a/ext/js/comm/frame-ancestry-handler.js b/ext/js/comm/frame-ancestry-handler.js
index b91046bc..261ea943 100644
--- a/ext/js/comm/frame-ancestry-handler.js
+++ b/ext/js/comm/frame-ancestry-handler.js
@@ -164,7 +164,9 @@ export class FrameAncestryHandler {
             };
 
             // Start
-            yomitan.crossFrame.registerHandlers([[responseMessageId, {async: false, handler: onMessage}]]);
+            yomitan.crossFrame.registerHandlers([
+                [responseMessageId, onMessage]
+            ]);
             resetTimeout();
             const frameId = this._frameId;
             this._requestFrameInfo(targetWindow, frameId, frameId, uniqueId, nonce);
diff --git a/ext/js/comm/frame-offset-forwarder.js b/ext/js/comm/frame-offset-forwarder.js
index af9bd268..afa6a5e6 100644
--- a/ext/js/comm/frame-offset-forwarder.js
+++ b/ext/js/comm/frame-offset-forwarder.js
@@ -36,7 +36,7 @@ export class FrameOffsetForwarder {
     prepare() {
         this._frameAncestryHandler.prepare();
         yomitan.crossFrame.registerHandlers([
-            ['FrameOffsetForwarder.getChildFrameRect', {async: false, handler: this._onMessageGetChildFrameRect.bind(this)}]
+            ['FrameOffsetForwarder.getChildFrameRect', this._onMessageGetChildFrameRect.bind(this)]
         ]);
     }