diff --git a/features/messages/impl/src/test/kotlin/io/element/android/features/messages/textcomposer/MessageComposerPresenterTest.kt b/features/messages/impl/src/test/kotlin/io/element/android/features/messages/textcomposer/MessageComposerPresenterTest.kt
index 9639759529..0c0b46cbe2 100644
--- a/features/messages/impl/src/test/kotlin/io/element/android/features/messages/textcomposer/MessageComposerPresenterTest.kt
+++ b/features/messages/impl/src/test/kotlin/io/element/android/features/messages/textcomposer/MessageComposerPresenterTest.kt
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:OptIn(ExperimentalCoroutinesApi::class)
+
 package io.element.android.features.messages.textcomposer
 
 import app.cash.molecule.RecompositionClock
@@ -50,6 +52,7 @@ import io.element.android.libraries.mediaupload.test.FakeMediaPreProcessor
 import io.element.android.libraries.textcomposer.MessageComposerMode
 import io.mockk.mockk
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
diff --git a/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt b/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt
index cce7ac90c7..8709db67f0 100644
--- a/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt
+++ b/libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:OptIn(ExperimentalCoroutinesApi::class)
+
 package io.element.android.libraries.matrix.impl
 
 import io.element.android.libraries.core.coroutine.CoroutineDispatchers
@@ -300,7 +302,6 @@ class RustMatrixClient constructor(
         }
     }
 
-    @ExperimentalCoroutinesApi
     override fun close() {
         slidingSyncUpdateJob?.cancel()
         stopSync()