diff --git a/src/NzbDrone.Core/Indexers/Definitions/Anidex.cs b/src/NzbDrone.Core/Indexers/Definitions/Anidex.cs
index 6e3f9fe98..874f87091 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Anidex.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Anidex.cs
@@ -200,7 +200,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var rows = dom.QuerySelectorAll("div#content table > tbody > tr");
             foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Anidub.cs b/src/NzbDrone.Core/Indexers/Definitions/Anidub.cs
index 5c6588c9d..010b37bc9 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Anidub.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Anidub.cs
@@ -77,7 +77,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             else
             {
                 var parser = new HtmlParser();
-                var document = await parser.ParseDocumentAsync(response.Content);
+                using var document = await parser.ParseDocumentAsync(response.Content);
                 var errorMessage = document.QuerySelector("#content .berror .berror_c")?.TextContent.Trim();
 
                 throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -433,7 +433,7 @@ namespace NzbDrone.Core.Indexers.Definitions
         {
             var torrentInfos = new List<TorrentInfo>();
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             foreach (var t in dom.QuerySelectorAll("#tabs .torrent_c > div"))
             {
@@ -465,7 +465,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var links = dom.QuerySelectorAll(".searchitem > h3 > a[href], #dle-content > .story > .story_h > .lcol > h2 > a[href]");
             foreach (var link in links)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/AnimeTorrents.cs b/src/NzbDrone.Core/Indexers/Definitions/AnimeTorrents.cs
index 5a3c8fc3c..7ba07ab80 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/AnimeTorrents.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/AnimeTorrents.cs
@@ -275,7 +275,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var rows = dom.QuerySelectorAll("table tr");
             foreach (var (row, index) in rows.Skip(1).Select((v, i) => (v, i)))
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Animedia.cs b/src/NzbDrone.Core/Indexers/Definitions/Animedia.cs
index 5e29a2130..8d08c03b3 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Animedia.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Animedia.cs
@@ -253,7 +253,7 @@ namespace NzbDrone.Core.Indexers.Definitions
         {
             var torrentInfos = new List<TorrentInfo>();
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             foreach (var t in dom.QuerySelectorAll("ul.media__tabs__nav > li > a"))
             {
@@ -291,7 +291,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var links = dom.QuerySelectorAll("a.ads-list__item__title");
             foreach (var link in links)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Anthelion.cs b/src/NzbDrone.Core/Indexers/Definitions/Anthelion.cs
index 10138d441..78465e54b 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Anthelion.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Anthelion.cs
@@ -72,7 +72,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = parser.ParseDocument(response.Content);
                 var errorMessage = dom.QuerySelector("form#loginform")?.TextContent.Trim();
 
                 throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -206,7 +206,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
             var rows = doc.QuerySelectorAll("table.torrent_table > tbody > tr.torrent");
             foreach (var row in rows)
             {
diff --git a/src/NzbDrone.Core/Indexers/Definitions/AroLol.cs b/src/NzbDrone.Core/Indexers/Definitions/AroLol.cs
index 25e204bc3..5c12cdfc6 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/AroLol.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/AroLol.cs
@@ -37,7 +37,7 @@ public class AroLol : GazelleBase<AroLolSettings>
         if (response.Content.Contains("loginform"))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = parser.ParseDocument(response.Content);
             var errorMessage = dom.QuerySelector("#loginform > .warning")?.TextContent.Trim();
 
             throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
diff --git a/src/NzbDrone.Core/Indexers/Definitions/AudioBookBay.cs b/src/NzbDrone.Core/Indexers/Definitions/AudioBookBay.cs
index 8c72753de..ff4fb51ca 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/AudioBookBay.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/AudioBookBay.cs
@@ -88,7 +88,7 @@ public class AudioBookBay : TorrentIndexerBase<NoAuthTorrentBaseSettings>
         var response = await _httpClient.ExecuteProxiedAsync(request, Definition);
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(response.Content);
+        using var dom = parser.ParseDocument(response.Content);
 
         var hash = dom.QuerySelector("td:contains(\"Info Hash:\") ~ td")?.TextContent.Trim();
         if (hash == null)
@@ -333,7 +333,7 @@ public class AudioBookBayParser : IParseIndexerResponse
     private static IHtmlDocument ParseHtmlDocument(string response)
     {
         var parser = new HtmlParser();
-        var doc = parser.ParseDocument(response);
+        using var doc = parser.ParseDocument(response);
 
         var hidden = doc.QuerySelectorAll("div.post.re-ab");
         foreach (var element in hidden)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/BB.cs b/src/NzbDrone.Core/Indexers/Definitions/BB.cs
index 4a8bf08bb..d5fa934f0 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/BB.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/BB.cs
@@ -72,7 +72,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = parser.ParseDocument(response.Content);
                 var messageEl = dom.QuerySelectorAll("#loginform");
                 var messages = new List<string>();
                 for (var i = 0; i < 13; i++)
@@ -242,7 +242,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
             var rows = dom.QuerySelectorAll("#torrent_table > tbody > tr.torrent");
 
             foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/BakaBT.cs b/src/NzbDrone.Core/Indexers/Definitions/BakaBT.cs
index d8b4acd72..ecfe03140 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/BakaBT.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/BakaBT.cs
@@ -55,7 +55,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var response = await _httpClient.ExecuteProxiedAsync(request, Definition);
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = parser.ParseDocument(response.Content);
             var downloadLink = dom.QuerySelector(".download_link")?.GetAttribute("href");
 
             if (downloadLink.IsNullOrWhiteSpace())
@@ -82,7 +82,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var loginPage = await ExecuteAuth(new HttpRequest(loginUrl));
 
             var parser = new HtmlParser();
-            var dom = await parser.ParseDocumentAsync(loginPage.Content);
+            using var dom = await parser.ParseDocumentAsync(loginPage.Content);
             var loginKey = dom.QuerySelector("input[name=\"loginKey\"]");
             if (loginKey != null)
             {
@@ -102,7 +102,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var htmlParser = new HtmlParser();
-                var document = await htmlParser.ParseDocumentAsync(response.Content);
+                using var document = await htmlParser.ParseDocumentAsync(response.Content);
                 var errorMessage = document.QuerySelector("#loginError, .error")?.TextContent.Trim();
 
                 throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -247,7 +247,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
             var rows = dom.QuerySelectorAll(".torrents tr.torrent, .torrents tr.torrent_alt");
             var currentCategories = new List<IndexerCategory> { NewznabStandardCategory.TVAnime };
 
diff --git a/src/NzbDrone.Core/Indexers/Definitions/BinSearch.cs b/src/NzbDrone.Core/Indexers/Definitions/BinSearch.cs
index 93540972f..a261f2c71 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/BinSearch.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/BinSearch.cs
@@ -161,7 +161,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
             var rows = doc.QuerySelectorAll("table.xMenuT > tbody > tr").Skip(1);
             foreach (var row in rows)
             {
diff --git a/src/NzbDrone.Core/Indexers/Definitions/BitHDTV.cs b/src/NzbDrone.Core/Indexers/Definitions/BitHDTV.cs
index f579be009..16a8bb5fb 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/BitHDTV.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/BitHDTV.cs
@@ -185,7 +185,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
             foreach (var child in dom.QuerySelectorAll("#needseed"))
             {
                 child.Remove();
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannRequestGenerator.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannRequestGenerator.cs
index f543d1b0a..72cccca19 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannRequestGenerator.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannRequestGenerator.cs
@@ -598,7 +598,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
             }
 
             var resultParser = new HtmlParser();
-            var resultDocument = resultParser.ParseDocument(loginResult.Content);
+            using var resultDocument = resultParser.ParseDocument(loginResult.Content);
             foreach (var error in errorBlocks)
             {
                 var selection = resultDocument.QuerySelector(error.Selector);
@@ -984,7 +984,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
             var selectorText = ApplyGoTemplateText(selector.Selector, variables);
             var parser = new HtmlParser();
 
-            var resultDocument = parser.ParseDocument(response.Content);
+            using var resultDocument = parser.ParseDocument(response.Content);
 
             var element = resultDocument.QuerySelector(selectorText);
             if (element == null)
@@ -1045,7 +1045,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
             if (_definition.Login.Test?.Selector != null && (response.Headers.ContentType?.Contains("text/html") ?? true))
             {
                 var parser = new HtmlParser();
-                var document = parser.ParseDocument(response.Content);
+                using var document = parser.ParseDocument(response.Content);
 
                 var selection = document.QuerySelectorAll(_definition.Login.Test.Selector);
                 if (selection.Length == 0)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/FunFile.cs b/src/NzbDrone.Core/Indexers/Definitions/FunFile.cs
index 2ae1886a4..cf6890fcd 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/FunFile.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/FunFile.cs
@@ -70,7 +70,7 @@ public class FunFile : TorrentIndexerBase<UserPassTorrentBaseSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = await parser.ParseDocumentAsync(response.Content);
             var errorMessage = dom.QuerySelector("td.mf_content")?.TextContent.Trim();
 
             throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -276,7 +276,7 @@ public class FunFileParser : IParseIndexerResponse
         var releaseInfos = new List<TorrentInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var rows = dom.QuerySelectorAll("table.mainframe table[cellpadding=\"2\"] > tbody > tr:has(td.row3)");
         foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/HDSpace.cs b/src/NzbDrone.Core/Indexers/Definitions/HDSpace.cs
index 2cd58c40f..e2ec566e1 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/HDSpace.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/HDSpace.cs
@@ -73,7 +73,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = parser.ParseDocument(response.Content);
                 var errorMessages = dom
                     .QuerySelectorAll("table.lista td.lista span[style*=\"#FF0000\"], table.lista td.header:contains(\"login attempts\")")
                     .Select(r => r.TextContent.Trim())
diff --git a/src/NzbDrone.Core/Indexers/Definitions/HDTorrents.cs b/src/NzbDrone.Core/Indexers/Definitions/HDTorrents.cs
index 6819b2dcf..a16db1721 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/HDTorrents.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/HDTorrents.cs
@@ -74,7 +74,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (response.Content != null && !response.Content.ContainsIgnoreCase("If your browser doesn't have javascript enabled"))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = await parser.ParseDocumentAsync(response.Content);
 
                 var errorMessage = dom.QuerySelector("div > font[color=\"#FF0000\"]")?.TextContent.Trim();
 
@@ -256,7 +256,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var userInfo = dom.QuerySelector("table.navus tr");
             var userRank = userInfo?.Children[1].TextContent.Replace("Rank:", string.Empty).Trim();
diff --git a/src/NzbDrone.Core/Indexers/Definitions/IPTorrents.cs b/src/NzbDrone.Core/Indexers/Definitions/IPTorrents.cs
index 1c85a711f..5036239f7 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/IPTorrents.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/IPTorrents.cs
@@ -291,7 +291,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
 
             var rows = doc.QuerySelectorAll("table[id=\"torrents\"] > tbody > tr");
             foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/ImmortalSeed.cs b/src/NzbDrone.Core/Indexers/Definitions/ImmortalSeed.cs
index b75160742..7803fff78 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/ImmortalSeed.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/ImmortalSeed.cs
@@ -266,7 +266,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var rows = dom.QuerySelectorAll("table#sortabletable > tbody > tr:has(a[href*=\"details.php?id=\"])");
             foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Libble.cs b/src/NzbDrone.Core/Indexers/Definitions/Libble.cs
index 457320616..74a9020a4 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Libble.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Libble.cs
@@ -77,7 +77,7 @@ public class Libble : TorrentIndexerBase<LibbleSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = parser.ParseDocument(response.Content);
             var errorMessage = dom.QuerySelector("#loginform > .warning")?.TextContent.Trim();
 
             throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -238,7 +238,7 @@ public class LibbleParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var doc = parser.ParseDocument(indexerResponse.Content);
+        using var doc = parser.ParseDocument(indexerResponse.Content);
 
         var groups = doc.QuerySelectorAll("table#torrent_table > tbody > tr.group:has(strong > a[href*=\"torrents.php?id=\"])");
         foreach (var group in groups)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/MoreThanTV.cs b/src/NzbDrone.Core/Indexers/Definitions/MoreThanTV.cs
index f86fe2535..9b4d10fd5 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/MoreThanTV.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/MoreThanTV.cs
@@ -177,7 +177,7 @@ public class MoreThanTVParser : IParseIndexerResponse
         try
         {
             var parser = new HtmlParser();
-            var document = parser.ParseDocument(indexerResponse.Content);
+            using var document = parser.ParseDocument(indexerResponse.Content);
             var torrents = document.QuerySelectorAll("#torrent_table > tbody > tr.torrent");
             var movies = new[] { "movie" };
             var tv = new[] { "season", "episode" };
diff --git a/src/NzbDrone.Core/Indexers/Definitions/NorBits.cs b/src/NzbDrone.Core/Indexers/Definitions/NorBits.cs
index 49f913fa7..ddfff26cf 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/NorBits.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/NorBits.cs
@@ -263,7 +263,7 @@ public class NorBitsParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var rows = dom.QuerySelectorAll("#torrentTable > tbody > tr").Skip(1).ToCollection();
 
diff --git a/src/NzbDrone.Core/Indexers/Definitions/PirateTheNet.cs b/src/NzbDrone.Core/Indexers/Definitions/PirateTheNet.cs
index e1f7a4ab2..a1e9d37bb 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/PirateTheNet.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/PirateTheNet.cs
@@ -234,7 +234,7 @@ public class PirateTheNetParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var rows = dom.QuerySelectorAll("table.main > tbody > tr");
         foreach (var row in rows.Skip(1))
diff --git a/src/NzbDrone.Core/Indexers/Definitions/PixelHD.cs b/src/NzbDrone.Core/Indexers/Definitions/PixelHD.cs
index 29c315403..1c78174ca 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/PixelHD.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/PixelHD.cs
@@ -171,7 +171,7 @@ public class PixelHDParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var groups = dom.QuerySelectorAll("div.browsePoster");
         foreach (var group in groups)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/PreToMe.cs b/src/NzbDrone.Core/Indexers/Definitions/PreToMe.cs
index 3a533809f..9528e7b90 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/PreToMe.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/PreToMe.cs
@@ -85,7 +85,7 @@ public class PreToMe : TorrentIndexerBase<PreToMeSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = parser.ParseDocument(response.Content);
             var errorMessage = dom.QuerySelector("table.body_table font[color~=\"red\"]")?.TextContent.Trim();
 
             throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -340,7 +340,7 @@ public class PreToMeParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var rows = dom.QuerySelectorAll("table > tbody > tr.browse");
         foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/RevolutionTT.cs b/src/NzbDrone.Core/Indexers/Definitions/RevolutionTT.cs
index acc798305..f158ef6b8 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/RevolutionTT.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/RevolutionTT.cs
@@ -249,7 +249,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<TorrentInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
             var rows = dom.QuerySelectorAll("#torrents-table > tbody > tr");
 
             foreach (var row in rows.Skip(1))
diff --git a/src/NzbDrone.Core/Indexers/Definitions/RuTracker.cs b/src/NzbDrone.Core/Indexers/Definitions/RuTracker.cs
index b8973adf1..648062479 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/RuTracker.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/RuTracker.cs
@@ -63,7 +63,7 @@ namespace NzbDrone.Core.Indexers.Definitions
                 var response = await _httpClient.ExecuteProxiedAsync(request, Definition);
 
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = parser.ParseDocument(response.Content);
                 var magnetLink = dom.QuerySelector("table.attach a.magnet-link[href^=\"magnet:?\"]")?.GetAttribute("href");
 
                 if (magnetLink == null)
@@ -104,7 +104,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (!response.Content.Contains("id=\"logged-in-username\""))
             {
                 var parser = new HtmlParser();
-                var document = await parser.ParseDocumentAsync(response.Content);
+                using var document = await parser.ParseDocumentAsync(response.Content);
                 var errorMessage = document.QuerySelector("h4.warnColor1.tCenter.mrg_16, div.msg-main")?.TextContent.Trim();
 
                 throw new IndexerAuthException(errorMessage ?? "RuTracker Auth Failed");
@@ -1580,7 +1580,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
             var rows = doc.QuerySelectorAll("table#tor-tbl > tbody > tr");
 
             foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/SceneTime.cs b/src/NzbDrone.Core/Indexers/Definitions/SceneTime.cs
index d11660fc4..9a0f430a0 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/SceneTime.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/SceneTime.cs
@@ -225,7 +225,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var table = dom.QuerySelector("table.movehere");
             if (table == null)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Shazbat.cs b/src/NzbDrone.Core/Indexers/Definitions/Shazbat.cs
index 158ffb6fb..61a5f0182 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Shazbat.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Shazbat.cs
@@ -78,7 +78,7 @@ public class Shazbat : TorrentIndexerBase<ShazbatSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = await parser.ParseDocumentAsync(response.Content);
             var errorMessage = dom.QuerySelector("div#fail .modal-body")?.TextContent.Trim();
 
             throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -223,7 +223,7 @@ public class ShazbatParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var hasGlobalFreeleech = dom.QuerySelector("span:contains(\"Freeleech until:\"):has(span.datetime)") != null;
 
@@ -303,7 +303,7 @@ public class ShazbatParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         if (!hasGlobalFreeleech)
         {
diff --git a/src/NzbDrone.Core/Indexers/Definitions/SpeedCD.cs b/src/NzbDrone.Core/Indexers/Definitions/SpeedCD.cs
index 24a01763b..5388f7831 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/SpeedCD.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/SpeedCD.cs
@@ -96,7 +96,7 @@ public class SpeedCD : TorrentIndexerBase<SpeedCDSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = parser.ParseDocument(response.Content);
             var errorMessage = dom.QuerySelector("h5")?.TextContent.Trim();
 
             if (response.Content.Contains("Wrong Captcha!"))
@@ -323,7 +323,7 @@ public class SpeedCDParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var rows = dom.QuerySelectorAll("div.boxContent > table > tbody > tr");
         foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/TVVault.cs b/src/NzbDrone.Core/Indexers/Definitions/TVVault.cs
index d388cd6b7..4b75923a0 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/TVVault.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/TVVault.cs
@@ -75,7 +75,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = parser.ParseDocument(response.Content);
                 var errorMessage = dom.QuerySelector("form#loginform")?.TextContent.Trim();
 
                 throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -224,7 +224,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
 
             // get params to build download link (user could be banned without those params)
             var rssFeedUri = new Uri(_settings.BaseUrl + doc.QuerySelector("link[href^=\"/feeds.php?feed=\"]")
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Toloka.cs b/src/NzbDrone.Core/Indexers/Definitions/Toloka.cs
index c7960dbfd..2e4955699 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Toloka.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Toloka.cs
@@ -74,7 +74,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = await parser.ParseDocumentAsync(response.Content);
                 var errorMessage = dom.QuerySelector("table.forumline table span.gen")?.FirstChild?.TextContent;
 
                 throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -367,7 +367,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var releaseInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(indexerResponse.Content);
+            using var dom = parser.ParseDocument(indexerResponse.Content);
 
             var rows = dom.QuerySelectorAll("table.forumline > tbody > tr[class*=prow]");
             foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/TorrentBytes.cs b/src/NzbDrone.Core/Indexers/Definitions/TorrentBytes.cs
index 45d920611..efda3329b 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/TorrentBytes.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/TorrentBytes.cs
@@ -71,7 +71,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (CheckIfLoginNeeded(response))
             {
                 var parser = new HtmlParser();
-                var dom = parser.ParseDocument(response.Content);
+                using var dom = parser.ParseDocument(response.Content);
                 var errorMessage = dom.QuerySelector("td.embedded")?.TextContent.Trim();
 
                 throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -245,7 +245,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
             var rows = doc.QuerySelectorAll("table > tbody:has(tr > td.colhead) > tr:not(:has(td.colhead))");
             foreach (var row in rows)
             {
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs b/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs
index 0909f5ddb..9405e63c3 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs
@@ -65,7 +65,7 @@ public class Uniotaku : TorrentIndexerBase<UniotakuSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = await parser.ParseDocumentAsync(response.Content);
             var errorMessage = dom.QuerySelector(".login-content span.text-red")?.TextContent.Trim();
 
             throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
@@ -92,7 +92,7 @@ public class Uniotaku : TorrentIndexerBase<UniotakuSettings>
         var response = await _httpClient.ExecuteProxiedAsync(request, Definition);
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(response.Content);
+        using var dom = parser.ParseDocument(response.Content);
         var downloadLink = dom.QuerySelector("a[href^=\"download.php?id=\"]")?.GetAttribute("href")?.Trim();
 
         if (downloadLink == null)
@@ -250,9 +250,9 @@ public class UniotakuParser : IParseIndexerResponse
         var publishDate = DateTime.Now;
         foreach (var item in jsonContent.Value<JArray>("data"))
         {
-            var detailsDom = parser.ParseDocument(item.SelectToken("[0]").Value<string>());
-            var categoryDom = parser.ParseDocument(item.SelectToken("[1]").Value<string>());
-            var groupDom = parser.ParseDocument(item.SelectToken("[7]").Value<string>());
+            using var detailsDom = parser.ParseDocument(item.SelectToken("[0]").Value<string>());
+            using var categoryDom = parser.ParseDocument(item.SelectToken("[1]").Value<string>());
+            using var groupDom = parser.ParseDocument(item.SelectToken("[7]").Value<string>());
 
             var qTitleLink = detailsDom.QuerySelector("a[href^=\"torrents-details.php?id=\"]");
             var title = qTitleLink?.TextContent.Trim();
diff --git a/src/NzbDrone.Core/Indexers/Definitions/XSpeeds.cs b/src/NzbDrone.Core/Indexers/Definitions/XSpeeds.cs
index 0c6e32d61..fabfd9533 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/XSpeeds.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/XSpeeds.cs
@@ -72,7 +72,7 @@ public class XSpeeds : TorrentIndexerBase<UserPassTorrentBaseSettings>
         if (CheckIfLoginNeeded(response))
         {
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(response.Content);
+            using var dom = await parser.ParseDocumentAsync(response.Content);
             var errorMessage = dom.QuerySelector(".left_side table:nth-of-type(1) tr:nth-of-type(2)")?.TextContent.Trim().Replace("\n\t", " ");
             if (errorMessage.IsNullOrWhiteSpace())
             {
@@ -289,7 +289,7 @@ public class XSpeedsParser : IParseIndexerResponse
         var releaseInfos = new List<ReleaseInfo>();
 
         var parser = new HtmlParser();
-        var dom = parser.ParseDocument(indexerResponse.Content);
+        using var dom = parser.ParseDocument(indexerResponse.Content);
 
         var rows = dom.QuerySelectorAll("table#sortabletable > tbody > tr:has(a[href*=\"details.php?id=\"])");
         foreach (var row in rows)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/ZonaQ.cs b/src/NzbDrone.Core/Indexers/Definitions/ZonaQ.cs
index 799fc12fe..d3e1b3101 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/ZonaQ.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/ZonaQ.cs
@@ -59,7 +59,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             // The first page set the cookies and the session_id
             var loginPage = await ExecuteAuth(new HttpRequest(Login1Url));
             var parser = new HtmlParser();
-            var dom = parser.ParseDocument(loginPage.Content);
+            using var dom = parser.ParseDocument(loginPage.Content);
             var sessionId = dom.QuerySelector("input#session_id")?.GetAttribute("value");
             if (string.IsNullOrWhiteSpace(sessionId))
             {
@@ -315,7 +315,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             var torrentInfos = new List<ReleaseInfo>();
 
             var parser = new HtmlParser();
-            var doc = parser.ParseDocument(indexerResponse.Content);
+            using var doc = parser.ParseDocument(indexerResponse.Content);
 
             var rows = doc.QuerySelectorAll("table.torrent_list > tbody > tr");