diff --git a/API/Interfaces/IDirectoryService.cs b/API/Interfaces/IDirectoryService.cs
index 8d1240172..f8e0f7100 100644
--- a/API/Interfaces/IDirectoryService.cs
+++ b/API/Interfaces/IDirectoryService.cs
@@ -6,6 +6,6 @@ namespace API.Interfaces
     {
         IEnumerable<string> ListDirectory(string rootPath);
 
-        void ScanLibrary(int libraryId, bool forceUpdate = false);
+        void ScanLibrary(int libraryId, bool forceUpdate);
     }
 }
\ No newline at end of file
diff --git a/API/Services/DirectoryService.cs b/API/Services/DirectoryService.cs
index c599be2f4..3adfae100 100644
--- a/API/Services/DirectoryService.cs
+++ b/API/Services/DirectoryService.cs
@@ -187,7 +187,7 @@ namespace API.Services
           return volumes;
        }
 
-        public void ScanLibrary(int libraryId, bool forceUpdate = false)
+        public void ScanLibrary(int libraryId, bool forceUpdate)
         {
            var library = Task.Run(() => _libraryRepository.GetLibraryForIdAsync(libraryId)).Result;
            _scannedSeries = new ConcurrentDictionary<string, ConcurrentBag<ParserInfo>>();