diff --git a/common/src/jsMain/kotlin/dev/inmo/micro_utils/common/MutationObserver.kt b/common/src/jsMain/kotlin/dev/inmo/micro_utils/common/MutationObserver.kt
index 3acd8e6c0ed..77f6be2d775 100644
--- a/common/src/jsMain/kotlin/dev/inmo/micro_utils/common/MutationObserver.kt
+++ b/common/src/jsMain/kotlin/dev/inmo/micro_utils/common/MutationObserver.kt
@@ -1,5 +1,7 @@
 package dev.inmo.micro_utils.common
 
+import org.w3c.dom.MutationObserverInit
+
 /**
  * Creates options for [org.w3c.dom.MutationObserver] without adding unspecified properties.
  *
@@ -18,7 +20,7 @@ fun MutationObserverOptions(
     attributeOldValue: Boolean? = null,
     characterDataOldValue: Boolean? = null,
     attributeFilter: Array<String>? = null
-): NativeMutationObserverInit = js("{}").unsafeCast<NativeMutationObserverInit>().apply {
+): MutationObserverInit = js("{}").unsafeCast<MutationObserverInit>().apply {
     if (childList != null) this.childList = childList
     if (attributes != null) this.attributes = attributes
     if (characterData != null) this.characterData = characterData
diff --git a/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverBrowserTests.kt b/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverBrowserTests.kt
index 99b2345d1ec..0e111be8a58 100644
--- a/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverBrowserTests.kt
+++ b/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverBrowserTests.kt
@@ -22,7 +22,7 @@ class MutationObserverBrowserTests {
         root.appendChild(nested)
         val observer = MutationObserver { _, _ -> }
         try {
-            observer.observe(root, MutationObserverInit(childList = true, subtree = true))
+            observer.observe(root, MutationObserverOptions(childList = true, subtree = true))
             nested.appendChild(child)
             val record = observer.takeRecords().single()
             assertEquals("childList", record.type)
@@ -45,7 +45,7 @@ class MutationObserverBrowserTests {
         target.setAttribute("data-state", "old")
         val observer = MutationObserver { _, _ -> }
         try {
-            observer.observe(target, MutationObserverInit(attributeFilter = arrayOf("data-state"), attributeOldValue = true))
+            observer.observe(target, MutationObserverOptions(attributeFilter = arrayOf("data-state"), attributeOldValue = true))
             target.setAttribute("ignored", "value")
             target.setAttribute("data-state", "new")
             val record = observer.takeRecords().single()
@@ -64,7 +64,7 @@ class MutationObserverBrowserTests {
         val target = document.createTextNode("old")
         val observer = MutationObserver { _, _ -> }
         try {
-            observer.observe(target, MutationObserverInit(characterDataOldValue = true))
+            observer.observe(target, MutationObserverOptions(characterDataOldValue = true))
             target.data = "new"
             val record = observer.takeRecords().single()
             assertEquals("characterData", record.type)
@@ -80,7 +80,7 @@ class MutationObserverBrowserTests {
         val target = document.createElement("div")
         val observer = MutationObserver { _, _ -> }
         try {
-            observer.observe(target, MutationObserverInit(childList = true, attributeFilter = null))
+            observer.observe(target, MutationObserverOptions(childList = true, attributeFilter = null))
             target.appendChild(document.createElement("span"))
             assertEquals("childList", observer.takeRecords().single().type)
         } finally {
@@ -93,7 +93,7 @@ class MutationObserverBrowserTests {
         val target = document.createElement("div")
         val observer = MutationObserver { _, _ -> }
         try {
-            observer.observe(target, MutationObserverInit(attributeFilter = emptyArray()))
+            observer.observe(target, MutationObserverOptions(attributeFilter = emptyArray()))
             target.setAttribute("data-state", "new")
             assertTrue(observer.takeRecords().isEmpty())
         } finally {
@@ -106,12 +106,12 @@ class MutationObserverBrowserTests {
         val target = document.createElement("div")
         val observer = MutationObserver { _, _ -> }
         try {
-            assertFails { observer.observe(target, MutationObserverInit()) }
+            assertFails { observer.observe(target, MutationObserverOptions()) }
             assertFails {
-                observer.observe(target, MutationObserverInit(attributes = false, attributeFilter = arrayOf("class")))
+                observer.observe(target, MutationObserverOptions(attributes = false, attributeFilter = arrayOf("class")))
             }
             assertFails {
-                observer.observe(target, MutationObserverInit(characterData = false, characterDataOldValue = true))
+                observer.observe(target, MutationObserverOptions(characterData = false, characterDataOldValue = true))
             }
         } finally {
             observer.disconnect()
diff --git a/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverInitTests.kt b/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverInitTests.kt
index 9f5fc20ed71..783ea1f75f0 100644
--- a/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverInitTests.kt
+++ b/common/src/jsTest/kotlin/dev/inmo/micro_utils/common/MutationObserverInitTests.kt
@@ -1,23 +1,23 @@
 package dev.inmo.micro_utils.common
 
-import org.w3c.dom.MutationObserverInit as NativeMutationObserverInit
+import org.w3c.dom.MutationObserverInit
 import kotlin.test.Test
 import kotlin.test.assertContentEquals
 import kotlin.test.assertEquals
 import kotlin.test.assertSame
 
 class MutationObserverInitTests {
-    private fun keys(options: NativeMutationObserverInit): List<String> =
+    private fun keys(@Suppress("unused") options: MutationObserverInit): List<String> =
         js("Object.keys(options)").unsafeCast<Array<String>>().sorted()
 
     @Test
     fun emptyOptionsHaveNoProperties() {
-        assertEquals(emptyList(), keys(MutationObserverInit()))
+        assertEquals(emptyList(), keys(MutationObserverOptions()))
     }
 
     @Test
     fun childListOptionsOmitUnspecifiedProperties() {
-        val options = MutationObserverInit(childList = true, subtree = true)
+        val options = MutationObserverOptions(childList = true, subtree = true)
         assertEquals(listOf("childList", "subtree"), keys(options))
         assertEquals(true, options.childList)
         assertEquals(true, options.subtree)
@@ -25,7 +25,7 @@ class MutationObserverInitTests {
 
     @Test
     fun explicitNullOptionsAreOmitted() {
-        val options = MutationObserverInit(
+        val options = MutationObserverOptions(
             childList = null,
             attributes = null,
             characterData = null,
@@ -40,7 +40,7 @@ class MutationObserverInitTests {
     @Test
     fun explicitFalseAndEmptyFilterArePreserved() {
         val filter = emptyArray<String>()
-        val options = MutationObserverInit(false, false, false, false, false, false, filter)
+        val options = MutationObserverOptions(false, false, false, false, false, false, filter)
         assertEquals(
             listOf("attributeFilter", "attributeOldValue", "attributes", "characterData", "characterDataOldValue", "childList", "subtree"),
             keys(options)
@@ -58,7 +58,7 @@ class MutationObserverInitTests {
     @Test
     fun filtersAndOldValueOptionsDoNotForceObservationFlags() {
         val filter = arrayOf("class", "data-state")
-        val options = MutationObserverInit(
+        val options = MutationObserverOptions(
             attributeFilter = filter,
             attributeOldValue = true,
             characterDataOldValue = true
@@ -71,8 +71,8 @@ class MutationObserverInitTests {
 
     @Test
     fun eachCallCreatesIndependentOptions() {
-        val first = MutationObserverInit(childList = true)
-        val second = MutationObserverInit(attributes = true)
+        val first = MutationObserverOptions(childList = true)
+        val second = MutationObserverOptions(attributes = true)
         first.subtree = true
         assertEquals(listOf("childList", "subtree"), keys(first))
         assertEquals(listOf("attributes"), keys(second))