diff --git a/src/FilterLists.Services/Snapshot/SnapshotDe.cs b/src/FilterLists.Services/Snapshot/SnapshotDe.cs
index 0a8df38e0..1d94a8062 100644
--- a/src/FilterLists.Services/Snapshot/SnapshotDe.cs
+++ b/src/FilterLists.Services/Snapshot/SnapshotDe.cs
@@ -135,7 +135,7 @@ private static IEnumerable<string> ParseRawRules(string content)
             var rawRules = content.Split(new[] {"\r\n", "\r", "\n"}, StringSplitOptions.RemoveEmptyEntries);
             for (var i = 0; i < rawRules.Length; i++)
                 rawRules[i] = rawRules[i].LintRawRule();
-            return new HashSet<string>(rawRules.Where(r => r != null));
+            return rawRules.Where(r => r != null);
         }
 
         private IEnumerable<SnapshotDeBatch> CreateSnapshotBatches(IEnumerable<string> rawRules) =>