diff --git a/.size-limit.js b/.size-limit.js
index 63b2b65..786dd98 100644
--- a/.size-limit.js
+++ b/.size-limit.js
@@ -19,21 +19,21 @@ function modifyWebpackConfig(config) {
 module.exports = [
   {
     name: 'The size of the Mediator with Embed layout',
-    limit: '10.1 KB',
+    limit: '9.5 KB',
     path: 'dist/index.js',
     import: '{createMediator, EmbedLayout}',
     modifyWebpackConfig
   },
   {
     name: 'The size of the Mediator with Overlay layout',
-    limit: '10.2 KB',
+    limit: '9.7 KB',
     path: 'dist/index.js',
     import: '{createMediator, OverlayLayout}',
     modifyWebpackConfig
   },
   {
     name: 'The size of the Consumer',
-    limit: '7.3 KB',
+    limit: '5.3 KB',
     path: 'dist/index.js',
     import: '{registerIFrame}',
     modifyWebpackConfig
diff --git a/package.json b/package.json
index 98272b2..01cd817 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,9 @@
     "dist",
     "src"
   ],
+  "sideEffects": [
+    "dist/utils/dom/index.js"
+  ],
   "scripts": {
     "build": "tsc && find src -type f -name \"*.css\" -exec sh -c 'cp \"$1\" \"dist/$(echo \"$1\" | sed \"s|src/||\")\"' _ {} \\;",
     "test": "jest",
@@ -34,7 +37,7 @@
     "domready": "^1.0.8",
     "lodash.debounce": "^4.0.8",
     "lodash.throttle": "^4.1.1",
-    "magic-transport": "^3.0.1"
+    "magic-transport": "^3.0.2"
   },
   "devDependencies": {
     "@commitlint/cli": "^19.0.3",
diff --git a/src/iframe/consumer-resizer.ts b/src/iframe/consumer-resizer.ts
index cedfdb2..ac92312 100644
--- a/src/iframe/consumer-resizer.ts
+++ b/src/iframe/consumer-resizer.ts
@@ -4,13 +4,6 @@ import {mutationEvents, setMutationParams} from '../utils/dom'
 import {EventEmitter} from '../utils/event-emitter'
 import type {Size} from '../types'
 
-setMutationParams({
-  attributes: true,
-  childList: true,
-  subtree: true,
-  characterData: true
-})
-
 export class IFrameResizer {
   private events: EventEmitter
   private transport: Consumer<any, any>
@@ -19,6 +12,13 @@ export class IFrameResizer {
   public constructor(transport: Consumer<any, any>) {
     this.events = new EventEmitter()
     this.transport = transport
+
+    setMutationParams({
+      attributes: true,
+      childList: true,
+      subtree: true,
+      characterData: true
+    })
   }
 
   public getSize() {
diff --git a/yarn.lock b/yarn.lock
index b15d61c..befd993 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6064,10 +6064,10 @@ lunr@^2.3.9:
   resolved "https://registry.yarnpkg.com/lunr/-/lunr-2.3.9.tgz#18b123142832337dd6e964df1a5a7707b25d35e1"
   integrity sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow==
 
-magic-transport@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/magic-transport/-/magic-transport-3.0.1.tgz#2434819ac9556686b561573c6924ca03908cfe7c"
-  integrity sha512-yNt9+l4VIYhlWIcHcWX8g6V6DoH6KRIDGcarILpZnVQreLr5635sN+Wxna0tO08dTbAOE1EFE/+mael35PC1fg==
+magic-transport@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/magic-transport/-/magic-transport-3.0.2.tgz#34dd7c756071a0d4112b8d7c6198d4fd6f760fe7"
+  integrity sha512-qkdiuBK1xFt1NYt0OIjBodH5vUbylSfnkmSCGSRL713ltytm0zqrwfZxXnPNPC2OA4Kkm9Jy6gGFYQsu7KRyzw==
   dependencies:
     dot-prop "^3.0.0"