diff --git a/Sources/MarkdownWebView/MarkdownWebView.swift b/Sources/MarkdownWebView/MarkdownWebView.swift
index 2338f75..c4f1c27 100644
--- a/Sources/MarkdownWebView/MarkdownWebView.swift
+++ b/Sources/MarkdownWebView/MarkdownWebView.swift
@@ -36,6 +36,30 @@ import WebKit
         #elseif os(iOS)
             public func makeUIView(context: Context) -> CustomWebView { context.coordinator.platformView }
         #endif
+    
+        #if os(macOS)
+        public static func dismantleNSView(_ nsView: CustomWebView, coordinator: Coordinator) {
+            let platformView = coordinator.platformView
+
+            platformView.configuration.userContentController.removeScriptMessageHandler(
+                forName: "sizeChangeHandler")
+            platformView.configuration.userContentController.removeScriptMessageHandler(
+                forName: "renderedContentHandler")
+            platformView.configuration.userContentController.removeScriptMessageHandler(
+                forName: "copyToPasteboard")
+        }
+        #elseif os(iOS)
+        public static func dismantleUIView(_ uiView: CustomWebView, coordinator: Coordinator) {
+            let platformView = coordinator.platformView
+
+            platformView.configuration.userContentController.removeScriptMessageHandler(
+                forName: "sizeChangeHandler")
+            platformView.configuration.userContentController.removeScriptMessageHandler(
+                forName: "renderedContentHandler")
+            platformView.configuration.userContentController.removeScriptMessageHandler(
+                forName: "copyToPasteboard")
+        }
+        #endif
 
         func updatePlatformView(_ platformView: CustomWebView, context _: Context) {
             guard !platformView.isLoading else { return } /// This function might be called when the page is still loading, at which time `window.proxy` is not available yet.