diff --git a/vector/src/main/java/im/vector/app/core/extensions/Session.kt b/vector/src/main/java/im/vector/app/core/extensions/Session.kt
index 9340722ce1..4f2d387474 100644
--- a/vector/src/main/java/im/vector/app/core/extensions/Session.kt
+++ b/vector/src/main/java/im/vector/app/core/extensions/Session.kt
@@ -24,7 +24,6 @@ import im.vector.app.core.services.VectorSyncAndroidService
 import im.vector.app.features.session.VectorSessionStore
 import org.matrix.android.sdk.api.session.Session
 import org.matrix.android.sdk.api.session.crypto.keysbackup.KeysBackupState
-import org.matrix.android.sdk.api.session.sync.FilterService
 import timber.log.Timber
 
 fun Session.startSyncing(context: Context) {
diff --git a/vector/src/test/java/im/vector/app/core/session/clientinfo/GetMatrixClientInfoUseCaseTest.kt b/vector/src/test/java/im/vector/app/core/session/clientinfo/GetMatrixClientInfoUseCaseTest.kt
index 800dedfb3a..4be8218ab5 100644
--- a/vector/src/test/java/im/vector/app/core/session/clientinfo/GetMatrixClientInfoUseCaseTest.kt
+++ b/vector/src/test/java/im/vector/app/core/session/clientinfo/GetMatrixClientInfoUseCaseTest.kt
@@ -17,7 +17,6 @@
 package im.vector.app.core.session.clientinfo
 
 import im.vector.app.test.fakes.FakeSession
-import org.amshove.kluent.shouldBe
 import org.amshove.kluent.shouldBeEqualTo
 import org.junit.Test
 
diff --git a/vector/src/test/java/im/vector/app/core/session/clientinfo/UpdateMatrixClientInfoUseCaseTest.kt b/vector/src/test/java/im/vector/app/core/session/clientinfo/UpdateMatrixClientInfoUseCaseTest.kt
index f31eaafb8c..79e6ea8639 100644
--- a/vector/src/test/java/im/vector/app/core/session/clientinfo/UpdateMatrixClientInfoUseCaseTest.kt
+++ b/vector/src/test/java/im/vector/app/core/session/clientinfo/UpdateMatrixClientInfoUseCaseTest.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.core.session.clientinfo
 
-import android.os.SystemClock
 import im.vector.app.core.resources.BuildMeta
 import im.vector.app.test.fakes.FakeAppNameProvider
 import im.vector.app.test.fakes.FakeSession
@@ -25,8 +24,6 @@ import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
 import io.mockk.mockk
-import io.mockk.mockkStatic
-import io.mockk.unmockkAll
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.runTest