diff --git a/docs/web/custom-visualizations.md b/docs/web/custom-visualizations.md
index 00faa6a4..d88717f2 100644
--- a/docs/web/custom-visualizations.md
+++ b/docs/web/custom-visualizations.md
@@ -14,26 +14,12 @@ As mentioned earlier, to consume data from the SDK, you must define the bridge.
 var host;
 window.revealBridge = {
   sendMessageToHost: function (data) {
-    try {
-      var iframe = document.createElement("IFRAME");
-      var message = encodeURIComponent(JSON.stringify(data));
-      iframe.setAttribute("src", "js-frame:" + message);
-      document.documentElement.appendChild(iframe);
-      iframe.parentNode.removeChild(iframe);
-      iframe = null;
-    }
-    catch (e) {
-      // The frame couldn't be created. 
-      // This could happen in web environments when the host is not in the same domain than the custom view webpage.
-      // Is not a problem as we are using window.postMessage for the communication in this case.
-    }
-
     try {
       if (window.parent && window.parent.location) {
         window.parent.postMessage(data, "*");
       }
     } catch (e) {
-      // window.top.postMessage couldn't be executed.
+      // window.parent.postMessage couldn't be executed.
       // This sould never happen but...
     }
   },
@@ -46,14 +32,6 @@ window.revealBridge = {
       this.sendMessageToHost({ message: "ready" });
     }
   },
-
-  runAction: function (actionName, data) {
-    this.sendMessageToHost({ message: "runAction", action: actionName, rowData: data });
-  },
-
-  openUrl: function (url) {
-    this.sendMessageToHost({ message: "openURL", URL: url });
-  },
 }
 
 function processMessageFromHost(message) {
diff --git a/i18n/ja/docusaurus-plugin-content-docs/current/web/custom-visualizations.md b/i18n/ja/docusaurus-plugin-content-docs/current/web/custom-visualizations.md
index c1a73d80..f0c6acd3 100644
--- a/i18n/ja/docusaurus-plugin-content-docs/current/web/custom-visualizations.md
+++ b/i18n/ja/docusaurus-plugin-content-docs/current/web/custom-visualizations.md
@@ -14,26 +14,12 @@ Reveal SDK は、アプリケーションにシームレスに統合される、
 var host;
 window.revealBridge = {
   sendMessageToHost: function (data) {
-    try {
-      var iframe = document.createElement("IFRAME");
-      var message = encodeURIComponent(JSON.stringify(data));
-      iframe.setAttribute("src", "js-frame:" + message);
-      document.documentElement.appendChild(iframe);
-      iframe.parentNode.removeChild(iframe);
-      iframe = null;
-    }
-    catch (e) {
-      // The frame couldn't be created. 
-      // This could happen in web environments when the host is not in the same domain than the custom view webpage.
-      // Is not a problem as we are using window.postMessage for the communication in this case.
-    }
-
     try {
       if (window.parent && window.parent.location) {
         window.parent.postMessage(data, "*");
       }
     } catch (e) {
-      // window.top.postMessage couldn't be executed.
+      // window.parent.postMessage couldn't be executed.
       // This sould never happen but...
     }
   },
@@ -46,14 +32,6 @@ window.revealBridge = {
       this.sendMessageToHost({ message: "ready" });
     }
   },
-
-  runAction: function (actionName, data) {
-    this.sendMessageToHost({ message: "runAction", action: actionName, rowData: data });
-  },
-
-  openUrl: function (url) {
-    this.sendMessageToHost({ message: "openURL", URL: url });
-  },
 }
 
 function processMessageFromHost(message) {