diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
index 032d649421..7862da1c17 100755
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt
@@ -241,12 +241,10 @@ internal class DefaultCryptoService @Inject constructor(
                 .executeBy(taskExecutor)
     }
 
-    // TODO add unit test
     override fun deleteDevice(deviceId: String, userInteractiveAuthInterceptor: UserInteractiveAuthInterceptor, callback: MatrixCallback<Unit>) {
         deleteDevices(listOf(deviceId), userInteractiveAuthInterceptor, callback)
     }
 
-    // TODO add unit test
     override fun deleteDevices(deviceIds: List<String>, userInteractiveAuthInterceptor: UserInteractiveAuthInterceptor, callback: MatrixCallback<Unit>) {
         deleteDeviceTask
                 .configureWith(DeleteDeviceTask.Params(deviceIds, userInteractiveAuthInterceptor, null)) {
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/DeleteDeviceTask.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/DeleteDeviceTask.kt
index fc6bc9b1bc..12b3fbd624 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/DeleteDeviceTask.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/DeleteDeviceTask.kt
@@ -37,7 +37,6 @@ internal interface DeleteDeviceTask : Task<DeleteDeviceTask.Params, Unit> {
     )
 }
 
-// TODO add unit tests
 internal class DefaultDeleteDeviceTask @Inject constructor(
         private val cryptoApi: CryptoApi,
         private val globalErrorReceiver: GlobalErrorReceiver