diff --git a/panel/src/components/Forms/Blocks/Blocks.vue b/panel/src/components/Forms/Blocks/Blocks.vue
index 4b26de5642..8b22787949 100644
--- a/panel/src/components/Forms/Blocks/Blocks.vue
+++ b/panel/src/components/Forms/Blocks/Blocks.vue
@@ -597,7 +597,7 @@ export default {
 
 			if (index !== -1) {
 				this.deselect(block);
-				this.$delete(this.blocks, index);
+				this.blocks.splice(index, 1);
 				this.save();
 			}
 		},
@@ -629,7 +629,7 @@ export default {
 						for (const id of this.selected) {
 							const index = this.findIndex(id);
 							if (index !== -1) {
-								this.$delete(this.blocks, index);
+								this.blocks.splice(index, 1);
 							}
 						}
 
diff --git a/panel/src/components/Forms/Layouts/Layouts.vue b/panel/src/components/Forms/Layouts/Layouts.vue
index 8268ec2b46..26d80d6c6c 100644
--- a/panel/src/components/Forms/Layouts/Layouts.vue
+++ b/panel/src/components/Forms/Layouts/Layouts.vue
@@ -251,7 +251,7 @@ export default {
 			const index = this.rows.findIndex((element) => element.id === layout.id);
 
 			if (index !== -1) {
-				this.$delete(this.rows, index);
+				this.rows.splice(index, 1);
 			}
 
 			this.save();
diff --git a/panel/vite.config.mjs b/panel/vite.config.mjs
index 04872322a7..a7f666cc40 100644
--- a/panel/vite.config.mjs
+++ b/panel/vite.config.mjs
@@ -12,18 +12,11 @@ import kirby from "./scripts/vite-kirby.mjs";
 function createAliases(proxy) {
 	return {
 		"@": path.resolve(__dirname, "src"),
+		// use absolute proxied url to avoid Vue being loaded twice
 		vue: proxy.target + ":3000/node_modules/vue/dist/vue.esm-browser.js"
 	};
 }
 
-function createProxy() {
-	return {
-		target: process.env.VUE_APP_DEV_SERVER ?? "https://sandbox.test",
-		changeOrigin: true,
-		secure: false
-	};
-}
-
 /**
  * Returns the server configuration
  */
@@ -105,7 +98,11 @@ function createTest() {
  * Returns the Vite configuration
  */
 export default defineConfig(({ mode }) => {
-	const proxy = createProxy();
+	const proxy = {
+		target: process.env.VUE_APP_DEV_SERVER ?? "https://sandbox.test",
+		changeOrigin: true,
+		secure: false
+	};
 
 	return {
 		plugins: createPlugins(mode),
diff --git a/src/Panel/Assets.php b/src/Panel/Assets.php
index efdb7ddd47..c374312e49 100644
--- a/src/Panel/Assets.php
+++ b/src/Panel/Assets.php
@@ -218,7 +218,7 @@ public function importMaps(): array
 			$map['vue'] = $this->url . '/node_modules/vue/dist/vue.esm-browser.js';
 		}
 
-		return $map;
+		return array_filter($map);
 	}
 
 	/**