diff --git a/server/server-config/src/main/kotlin/suwayomi/tachidesk/server/ServerConfig.kt b/server/server-config/src/main/kotlin/suwayomi/tachidesk/server/ServerConfig.kt
index 7b7fa4c25..c2e5fe21f 100644
--- a/server/server-config/src/main/kotlin/suwayomi/tachidesk/server/ServerConfig.kt
+++ b/server/server-config/src/main/kotlin/suwayomi/tachidesk/server/ServerConfig.kt
@@ -287,6 +287,7 @@ class ServerConfig(
                 replaceWith = "extensionStores",
                 message = "Replaced with extensionStores",
                 migrateConfigValue = {
+                    @Suppress("UNCHECKED_CAST")
                     (it.unwrapped() as? List<String>)
                         ?.map {
                             if (it.contains("github")) {
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/graphql/mutations/MangaMutation.kt b/server/src/main/kotlin/suwayomi/tachidesk/graphql/mutations/MangaMutation.kt
index 23573571b..00c2a6224 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/graphql/mutations/MangaMutation.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/graphql/mutations/MangaMutation.kt
@@ -19,11 +19,9 @@ import suwayomi.tachidesk.graphql.types.ChapterType
 import suwayomi.tachidesk.graphql.types.MangaMetaType
 import suwayomi.tachidesk.graphql.types.MangaType
 import suwayomi.tachidesk.graphql.types.MetaInput
-import suwayomi.tachidesk.manga.impl.Chapter
 import suwayomi.tachidesk.manga.impl.Library
 import suwayomi.tachidesk.manga.impl.Manga
 import suwayomi.tachidesk.manga.impl.update.IUpdater
-import suwayomi.tachidesk.manga.impl.util.source.GetCatalogueSource.getCatalogueSourceOrStub
 import suwayomi.tachidesk.manga.model.table.ChapterTable
 import suwayomi.tachidesk.manga.model.table.MangaMetaTable
 import suwayomi.tachidesk.manga.model.table.MangaTable
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/update/Updater.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/update/Updater.kt
index 64156bdb8..fe4d61a2d 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/update/Updater.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/update/Updater.kt
@@ -31,7 +31,6 @@ import kotlinx.coroutines.sync.withPermit
 import suwayomi.tachidesk.global.impl.sync.SyncManager
 import suwayomi.tachidesk.manga.impl.Category
 import suwayomi.tachidesk.manga.impl.CategoryManga
-import suwayomi.tachidesk.manga.impl.Chapter
 import suwayomi.tachidesk.manga.impl.Manga
 import suwayomi.tachidesk.manga.model.dataclass.CategoryDataClass
 import suwayomi.tachidesk.manga.model.dataclass.IncludeOrExclude
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/opds/impl/OpdsFeedBuilder.kt b/server/src/main/kotlin/suwayomi/tachidesk/opds/impl/OpdsFeedBuilder.kt
index e7e8c81c8..68815dad0 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/opds/impl/OpdsFeedBuilder.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/opds/impl/OpdsFeedBuilder.kt
@@ -18,7 +18,6 @@ import suwayomi.tachidesk.opds.repository.ChapterRepository
 import suwayomi.tachidesk.opds.repository.MangaRepository
 import suwayomi.tachidesk.opds.repository.NavigationRepository
 import suwayomi.tachidesk.opds.util.OpdsDateUtil
-import suwayomi.tachidesk.opds.util.OpdsStringUtil
 import suwayomi.tachidesk.opds.util.OpdsXmlUtil
 import suwayomi.tachidesk.server.serverConfig
 import java.util.Locale
diff --git a/server/src/test/kotlin/suwayomi/tachidesk/manga/impl/SearchTest.kt b/server/src/test/kotlin/suwayomi/tachidesk/manga/impl/SearchTest.kt
index e3909fcae..cbf6a2942 100644
--- a/server/src/test/kotlin/suwayomi/tachidesk/manga/impl/SearchTest.kt
+++ b/server/src/test/kotlin/suwayomi/tachidesk/manga/impl/SearchTest.kt
@@ -18,7 +18,6 @@ import org.junit.jupiter.api.AfterAll
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
-import rx.Observable
 import suwayomi.tachidesk.manga.impl.Search.FilterChange
 import suwayomi.tachidesk.manga.impl.Search.FilterObject
 import suwayomi.tachidesk.manga.impl.Search.SerializableGroup