diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt
index 2af51e72bc..98685c7194 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/CryptoModule.kt
@@ -16,7 +16,6 @@
 
 package org.matrix.android.sdk.internal.crypto
 
-import com.squareup.moshi.Moshi
 import dagger.Binds
 import dagger.Module
 import dagger.Provides
@@ -57,7 +56,6 @@ import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.StoreRoomSessionD
 import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.StoreRoomSessionsDataTask
 import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.StoreSessionsDataTask
 import org.matrix.android.sdk.internal.crypto.keysbackup.tasks.UpdateKeysBackupVersionTask
-import org.matrix.android.sdk.internal.crypto.network.RequestSender
 import org.matrix.android.sdk.internal.crypto.store.IMXCryptoStore
 import org.matrix.android.sdk.internal.crypto.store.db.RealmCryptoStore
 import org.matrix.android.sdk.internal.crypto.store.db.RealmCryptoStoreMigration
@@ -91,9 +89,7 @@ import org.matrix.android.sdk.internal.crypto.tasks.UploadSigningKeysTask
 import org.matrix.android.sdk.internal.crypto.verification.RustVerificationService
 import org.matrix.android.sdk.internal.database.RealmKeysUtils
 import org.matrix.android.sdk.internal.di.CryptoDatabase
-import org.matrix.android.sdk.internal.di.DeviceId
 import org.matrix.android.sdk.internal.di.SessionFilesDirectory
-import org.matrix.android.sdk.internal.di.UserId
 import org.matrix.android.sdk.internal.di.UserMd5
 import org.matrix.android.sdk.internal.session.SessionScope
 import org.matrix.android.sdk.internal.session.cache.ClearCacheTask
@@ -132,8 +128,8 @@ internal abstract class CryptoModule {
         @JvmStatic
         @Provides
         @SessionScope
-        fun providesCryptoCoroutineScope(): CoroutineScope {
-            return CoroutineScope(SupervisorJob())
+        fun providesCryptoCoroutineScope(coroutineDispatchers: MatrixCoroutineDispatchers): CoroutineScope {
+            return CoroutineScope(SupervisorJob() + coroutineDispatchers.crypto)
         }
 
         @JvmStatic
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 fc00bed2ec..5b0483203d 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
@@ -78,7 +78,6 @@ import org.matrix.android.sdk.internal.di.DeviceId
 import org.matrix.android.sdk.internal.di.UserId
 import org.matrix.android.sdk.internal.session.SessionScope
 import org.matrix.android.sdk.internal.session.StreamEventsManager
-import org.matrix.android.sdk.internal.session.room.membership.LoadRoomMembersTask
 import timber.log.Timber
 import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
@@ -234,6 +233,7 @@ internal class DefaultCryptoService @Inject constructor(
     fun start() {
         internalStart()
         cryptoCoroutineScope.launch {
+            cryptoStore.open()
             // Just update
             fetchDevicesList()
             cryptoStore.tidyUpDataBase()
@@ -264,9 +264,6 @@ internal class DefaultCryptoService @Inject constructor(
             }
         }
 
-        // Open the store
-        cryptoStore.open()
-
         isStarting.set(false)
         isStarted.set(true)
     }
@@ -277,7 +274,7 @@ internal class DefaultCryptoService @Inject constructor(
     fun close() {
         cryptoCoroutineScope.coroutineContext.cancelChildren(CancellationException("Closing crypto module"))
         cryptoCoroutineScope.launch {
-            withContext(coroutineDispatchers.crypto + NonCancellable) {
+            withContext(NonCancellable) {
                 cryptoStore.close()
             }
         }