diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/EncryptEventWorker.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/EncryptEventWorker.kt
index 21080d9037..6f1593bc08 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/EncryptEventWorker.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/EncryptEventWorker.kt
@@ -20,7 +20,6 @@ import android.content.Context
 import androidx.work.CoroutineWorker
 import androidx.work.WorkerParameters
 import com.squareup.moshi.JsonClass
-import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.failure.Failure
 import im.vector.matrix.android.api.session.crypto.CryptoService
 import im.vector.matrix.android.api.session.events.model.Event