diff --git a/tests/Jellyfin.Plugin.Multilang.Tests/Jellyfin.Plugin.Multilang.Tests.csproj b/tests/Jellyfin.Plugin.Multilang.Tests/Jellyfin.Plugin.Multilang.Tests.csproj
index ef24ea9..f439f23 100644
--- a/tests/Jellyfin.Plugin.Multilang.Tests/Jellyfin.Plugin.Multilang.Tests.csproj
+++ b/tests/Jellyfin.Plugin.Multilang.Tests/Jellyfin.Plugin.Multilang.Tests.csproj
@@ -13,7 +13,8 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Jellyfin.Common" Version="10.11.9" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/tests/Jellyfin.Plugin.Multilang.Tests/TranslationStoreImportTests.cs b/tests/Jellyfin.Plugin.Multilang.Tests/TranslationStoreImportTests.cs
new file mode 100644
index 0000000..6bb311e
--- /dev/null
+++ b/tests/Jellyfin.Plugin.Multilang.Tests/TranslationStoreImportTests.cs
@@ -0,0 +1,99 @@
+using Jellyfin.Plugin.Multilang.Data;
+using Jellyfin.Plugin.Multilang.Services.Providers;
+using Jellyfin.Plugin.Multilang.Services.Refresh;
+using MediaBrowser.Common.Configuration;
+
+namespace Jellyfin.Plugin.Multilang.Tests;
+
+public sealed class TranslationStoreImportTests
+{
+    [Fact]
+    public void ImportTranslationDatabaseKeepsOnlyLiveItemsAndAllowedLanguages()
+    {
+        var root = Path.Combine(Path.GetTempPath(), "multilang-test-" + Guid.NewGuid().ToString("N"));
+        try
+        {
+            var source = new TranslationStore(new TestApplicationPaths(Path.Combine(root, "source")));
+            var destination = new TranslationStore(new TestApplicationPaths(Path.Combine(root, "destination")));
+            var liveId = "11111111111111111111111111111111";
+            var staleId = "22222222222222222222222222222222";
+            SeedImportSource(source, liveId, staleId);
+
+            var exportPath = Path.Combine(root, "export.sqlite");
+            source.ExportTranslationDatabase(exportPath);
+
+            var result = destination.ImportTranslationDatabase(
+                exportPath,
+                new HashSet<string>(StringComparer.OrdinalIgnoreCase) { liveId },
+                new HashSet<string>(StringComparer.OrdinalIgnoreCase) { "en" });
+
+            Assert.Equal(new ImportDatabaseResult(Facts: 1, Translations: 1, Assets: 1, Genres: 2), result);
+            Assert.NotNull(destination.GetFacts(liveId));
+            Assert.Null(destination.GetFacts(staleId));
+            Assert.Equal("English title", Translation(destination, liveId, "en", "title"));
+            Assert.Null(Translation(destination, liveId, "fi", "title"));
+            Assert.Null(destination.GetAssetPath(liveId, "fi", "poster"));
+            Assert.Equal("https://asset/en.jpg", destination.GetAssetPath(liveId, "en", "poster"));
+            Assert.Equal(["en", "Original"], destination.GetGenres("movie").Select(g => g.Lang).OrderBy(v => v).ToArray());
+        }
+        finally
+        {
+            if (Directory.Exists(root))
+                Directory.Delete(root, recursive: true);
+        }
+    }
+
+    private static void SeedImportSource(TranslationStore store, string liveId, string staleId)
+    {
+        store.UpsertFacts(Item(liveId), Metadata("Live"), 1, 2);
+        store.UpsertFacts(Item(staleId), Metadata("Stale"), 1, 2);
+        store.UpsertTranslation(liveId, "en", "title", "English title");
+        store.UpsertTranslation(liveId, "fi", "title", "Finnish title");
+        store.UpsertTranslation(staleId, "en", "title", "Stale English title");
+        store.UpsertAsset(liveId, "en", "poster", "https://asset/en.jpg", 1);
+        store.UpsertAsset(liveId, "fi", "poster", "https://asset/fi.jpg", 1);
+        store.UpsertAsset(staleId, "en", "poster", "https://asset/stale.jpg", 1);
+        store.UpsertGenre(1, "movie", "en", "Action");
+        store.UpsertGenre(1, "movie", "fi", "Toiminta");
+        store.UpsertGenre(1, "movie", "Original", "Original action");
+    }
+
+    private static RefreshItemInfo Item(string itemId)
+        => new(itemId, "123", "movie", RefreshWorkClass.Movies, 0, 0, null, "Movie");
+
+    private static TmdbMetadata Metadata(string title)
+        => new(title, "Overview", "Tagline", title, "en", ["US"], ["US"], ["en"], [new TmdbGenre(1, "Action")]);
+
+    private static string? Translation(TranslationStore store, string itemId, string lang, string field)
+        => store.GetTranslations([itemId], [lang])
+            .GetValueOrDefault(itemId)?
+            .GetValueOrDefault(lang)?
+            .GetValueOrDefault(field);
+
+    private sealed class TestApplicationPaths(string root) : IApplicationPaths
+    {
+        public string ProgramDataPath { get; } = root;
+        public string WebPath { get; } = Path.Combine(root, "web");
+        public string ProgramSystemPath { get; } = Path.Combine(root, "system");
+        public string DataPath { get; } = Path.Combine(root, "data");
+        public string ImageCachePath { get; } = Path.Combine(root, "images");
+        public string PluginsPath { get; } = Path.Combine(root, "plugins");
+        public string PluginConfigurationsPath { get; } = Path.Combine(root, "plugin-configs");
+        public string LogDirectoryPath { get; } = Path.Combine(root, "logs");
+        public string ConfigurationDirectoryPath { get; } = Path.Combine(root, "config");
+        public string SystemConfigurationFilePath { get; } = Path.Combine(root, "config", "system.xml");
+        public string CachePath { get; } = Path.Combine(root, "cache");
+        public string TempDirectory { get; } = Path.Combine(root, "temp");
+        public string VirtualDataPath { get; } = "%AppDataPath%";
+        public string TrickplayPath { get; } = Path.Combine(root, "trickplay");
+        public string BackupPath { get; } = Path.Combine(root, "backups");
+
+        public void MakeSanityCheckOrThrow()
+        {
+        }
+
+        public void CreateAndCheckMarker(string path, string marker, bool isTemporary = false)
+        {
+        }
+    }
+}