diff --git a/src/NzbDrone.Common/Cache/Cached.cs b/src/NzbDrone.Common/Cache/Cached.cs
index a530baa55..42463f682 100644
--- a/src/NzbDrone.Common/Cache/Cached.cs
+++ b/src/NzbDrone.Common/Cache/Cached.cs
@@ -47,8 +47,7 @@ namespace NzbDrone.Common.Cache
 
         public T Find(string key)
         {
-            CacheItem cacheItem;
-            if (!_store.TryGetValue(key, out cacheItem))
+            if (!_store.TryGetValue(key, out var cacheItem))
             {
                 return default(T);
             }
@@ -76,8 +75,7 @@ namespace NzbDrone.Common.Cache
 
         public void Remove(string key)
         {
-            CacheItem value;
-            _store.TryRemove(key, out value);
+            _store.TryRemove(key, out _);
         }
 
         public int Count => _store.Count;
@@ -88,9 +86,7 @@ namespace NzbDrone.Common.Cache
 
             lifeTime = lifeTime ?? _defaultLifeTime;
 
-            CacheItem cacheItem;
-
-            if (_store.TryGetValue(key, out cacheItem) && !cacheItem.IsExpired())
+            if (_store.TryGetValue(key, out var cacheItem) && !cacheItem.IsExpired())
             {
                 if (_rollingExpiry && lifeTime.HasValue)
                 {
diff --git a/src/NzbDrone.Common/Cache/CachedDictionary.cs b/src/NzbDrone.Common/Cache/CachedDictionary.cs
index 6332f5054..922b45835 100644
--- a/src/NzbDrone.Common/Cache/CachedDictionary.cs
+++ b/src/NzbDrone.Common/Cache/CachedDictionary.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -86,9 +86,7 @@ namespace NzbDrone.Common.Cache
         {
             RefreshIfExpired();
 
-            TValue result;
-
-            if (!_items.TryGetValue(key, out result))
+            if (!_items.TryGetValue(key, out var result))
             {
                 throw new KeyNotFoundException(string.Format("Item {0} not found in cache.", key));
             }
@@ -100,9 +98,7 @@ namespace NzbDrone.Common.Cache
         {
             RefreshIfExpired();
 
-            TValue result;
-
-            _items.TryGetValue(key, out result);
+            _items.TryGetValue(key, out var result);
 
             return result;
         }
@@ -128,8 +124,7 @@ namespace NzbDrone.Common.Cache
 
         public void Remove(string key)
         {
-            TValue item;
-            _items.TryRemove(key, out item);
+            _items.TryRemove(key, out _);
         }
     }
 }
diff --git a/src/NzbDrone.Common/Extensions/TryParseExtensions.cs b/src/NzbDrone.Common/Extensions/TryParseExtensions.cs
index 1ed79c319..3b9f3db49 100644
--- a/src/NzbDrone.Common/Extensions/TryParseExtensions.cs
+++ b/src/NzbDrone.Common/Extensions/TryParseExtensions.cs
@@ -6,9 +6,7 @@ namespace NzbDrone.Common.Extensions
     {
         public static int? ParseInt32(this string source)
         {
-            int result;
-
-            if (int.TryParse(source, out result))
+            if (int.TryParse(source, out var result))
             {
                 return result;
             }
@@ -18,9 +16,7 @@ namespace NzbDrone.Common.Extensions
 
         public static long? ParseInt64(this string source)
         {
-            long result;
-
-            if (long.TryParse(source, out result))
+            if (long.TryParse(source, out var result))
             {
                 return result;
             }
@@ -30,9 +26,7 @@ namespace NzbDrone.Common.Extensions
 
         public static double? ParseDouble(this string source)
         {
-            double result;
-
-            if (double.TryParse(source.Replace(',', '.'), NumberStyles.Number, CultureInfo.InvariantCulture, out result))
+            if (double.TryParse(source.Replace(',', '.'), NumberStyles.Number, CultureInfo.InvariantCulture, out var result))
             {
                 return result;
             }
diff --git a/src/NzbDrone.Common/Http/TooManyRequestsException.cs b/src/NzbDrone.Common/Http/TooManyRequestsException.cs
index 117188b4e..c276ef128 100644
--- a/src/NzbDrone.Common/Http/TooManyRequestsException.cs
+++ b/src/NzbDrone.Common/Http/TooManyRequestsException.cs
@@ -12,14 +12,12 @@ namespace NzbDrone.Common.Http
             if (response.Headers.ContainsKey("Retry-After"))
             {
                 var retryAfter = response.Headers["Retry-After"].ToString();
-                int seconds;
-                DateTime date;
 
-                if (int.TryParse(retryAfter, out seconds))
+                if (int.TryParse(retryAfter, out var seconds))
                 {
                     RetryAfter = TimeSpan.FromSeconds(seconds);
                 }
-                else if (DateTime.TryParse(retryAfter, out date))
+                else if (DateTime.TryParse(retryAfter, out var date))
                 {
                     RetryAfter = date.ToUniversalTime() - DateTime.UtcNow;
                 }
diff --git a/src/NzbDrone.Core.Test/Framework/DirectDataMapper.cs b/src/NzbDrone.Core.Test/Framework/DirectDataMapper.cs
index 9b7039022..2dd311cc2 100644
--- a/src/NzbDrone.Core.Test/Framework/DirectDataMapper.cs
+++ b/src/NzbDrone.Core.Test/Framework/DirectDataMapper.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Data;
 using System.Linq;
@@ -60,14 +60,11 @@ namespace NzbDrone.Core.Test.Framework
             {
                 var columnName = dataRow.Table.Columns[i].ColumnName;
 
-                object value;
                 if (dataRow.ItemArray[i] == DBNull.Value)
                 {
-                    value = null;
                 }
                 else
                 {
-                    value = dataRow.ItemArray[i];
                 }
 
                 item[columnName] = dataRow.ItemArray[i];
diff --git a/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs b/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs
index 8dd50ed1c..aa88606f2 100644
--- a/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs
+++ b/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs
@@ -119,8 +119,7 @@ namespace NzbDrone.Core.Configuration
                     continue;
                 }
 
-                object currentValue;
-                allWithDefaults.TryGetValue(configValue.Key, out currentValue);
+                allWithDefaults.TryGetValue(configValue.Key, out var currentValue);
                 if (currentValue == null)
                 {
                     continue;
diff --git a/src/NzbDrone.Core/Configuration/ConfigService.cs b/src/NzbDrone.Core/Configuration/ConfigService.cs
index b0832d9bf..8e434ccd8 100644
--- a/src/NzbDrone.Core/Configuration/ConfigService.cs
+++ b/src/NzbDrone.Core/Configuration/ConfigService.cs
@@ -57,8 +57,7 @@ namespace NzbDrone.Core.Configuration
 
             foreach (var configValue in configValues)
             {
-                object currentValue;
-                allWithDefaults.TryGetValue(configValue.Key, out currentValue);
+                allWithDefaults.TryGetValue(configValue.Key, out var currentValue);
                 if (currentValue == null || configValue.Value == null)
                 {
                     continue;
@@ -457,9 +456,7 @@ namespace NzbDrone.Core.Configuration
 
             EnsureCache();
 
-            string dbValue;
-
-            if (_cache.TryGetValue(key, out dbValue) && dbValue != null && !string.IsNullOrEmpty(dbValue))
+            if (_cache.TryGetValue(key, out var dbValue) && dbValue != null && !string.IsNullOrEmpty(dbValue))
             {
                 return dbValue;
             }
diff --git a/src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs b/src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs
index 611b77daf..4d1d3854a 100644
--- a/src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs
+++ b/src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs
@@ -259,9 +259,8 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
         protected long GetRemainingSize(DownloadStationTask torrent)
         {
             var downloadedString = torrent.Additional.Transfer["size_downloaded"];
-            long downloadedSize;
 
-            if (downloadedString.IsNullOrWhiteSpace() || !long.TryParse(downloadedString, out downloadedSize))
+            if (downloadedString.IsNullOrWhiteSpace() || !long.TryParse(downloadedString, out var downloadedSize))
             {
                 _logger.Debug("Torrent {0} has invalid size_downloaded: {1}", torrent.Title, downloadedString);
                 downloadedSize = 0;
@@ -273,9 +272,8 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
         protected TimeSpan? GetRemainingTime(DownloadStationTask torrent)
         {
             var speedString = torrent.Additional.Transfer["speed_download"];
-            long downloadSpeed;
 
-            if (speedString.IsNullOrWhiteSpace() || !long.TryParse(speedString, out downloadSpeed))
+            if (speedString.IsNullOrWhiteSpace() || !long.TryParse(speedString, out var downloadSpeed))
             {
                 _logger.Debug("Torrent {0} has invalid speed_download: {1}", torrent.Title, speedString);
                 downloadSpeed = 0;
diff --git a/src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs b/src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs
index f63f7d6ca..eb7793281 100644
--- a/src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs
+++ b/src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs
@@ -355,9 +355,8 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
         protected long GetRemainingSize(DownloadStationTask task)
         {
             var downloadedString = task.Additional.Transfer["size_downloaded"];
-            long downloadedSize;
 
-            if (downloadedString.IsNullOrWhiteSpace() || !long.TryParse(downloadedString, out downloadedSize))
+            if (downloadedString.IsNullOrWhiteSpace() || !long.TryParse(downloadedString, out var downloadedSize))
             {
                 _logger.Debug("Task {0} has invalid size_downloaded: {1}", task.Title, downloadedString);
                 downloadedSize = 0;
@@ -369,9 +368,8 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
         protected long GetDownloadSpeed(DownloadStationTask task)
         {
             var speedString = task.Additional.Transfer["speed_download"];
-            long downloadSpeed;
 
-            if (speedString.IsNullOrWhiteSpace() || !long.TryParse(speedString, out downloadSpeed))
+            if (speedString.IsNullOrWhiteSpace() || !long.TryParse(speedString, out var downloadSpeed))
             {
                 _logger.Debug("Task {0} has invalid speed_download: {1}", task.Title, speedString);
                 downloadSpeed = 0;
diff --git a/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexLoginResultTypeConverter.cs b/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexLoginResultTypeConverter.cs
index e74b8f973..7f0f27de7 100644
--- a/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexLoginResultTypeConverter.cs
+++ b/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexLoginResultTypeConverter.cs
@@ -15,8 +15,7 @@ namespace NzbDrone.Core.Download.Clients.NzbVortex.JsonConverters
         {
             var result = reader.Value.ToString().Replace("_", string.Empty);
 
-            NzbVortexLoginResultType output;
-            Enum.TryParse(result, true, out output);
+            Enum.TryParse(result, true, out NzbVortexLoginResultType output);
 
             return output;
         }
diff --git a/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexResultTypeConverter.cs b/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexResultTypeConverter.cs
index bd63788bc..aa515abdb 100644
--- a/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexResultTypeConverter.cs
+++ b/src/NzbDrone.Core/Download/Clients/NzbVortex/JsonConverters/NzbVortexResultTypeConverter.cs
@@ -15,8 +15,7 @@ namespace NzbDrone.Core.Download.Clients.NzbVortex.JsonConverters
         {
             var result = reader.Value.ToString().Replace("_", string.Empty);
 
-            NzbVortexResultType output;
-            Enum.TryParse(result, true, out output);
+            Enum.TryParse(result, true, out NzbVortexResultType output);
 
             return output;
         }
diff --git a/src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortex.cs b/src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortex.cs
index 78095e818..8c2f95dfe 100644
--- a/src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortex.cs
+++ b/src/NzbDrone.Core/Download/Clients/NzbVortex/NzbVortex.cs
@@ -124,9 +124,8 @@ namespace NzbDrone.Core.Download.Clients.NzbVortex
         public override void RemoveItem(DownloadClientItem item, bool deleteData)
         {
             // Try to find the download by numerical ID, otherwise try by AddUUID
-            int id;
 
-            if (int.TryParse(item.DownloadId, out id))
+            if (int.TryParse(item.DownloadId, out var id))
             {
                 _proxy.Remove(id, deleteData, Settings);
             }
diff --git a/src/NzbDrone.Core/Download/Clients/Nzbget/Nzbget.cs b/src/NzbDrone.Core/Download/Clients/Nzbget/Nzbget.cs
index e19ed88b4..c4e6883c4 100644
--- a/src/NzbDrone.Core/Download/Clients/Nzbget/Nzbget.cs
+++ b/src/NzbDrone.Core/Download/Clients/Nzbget/Nzbget.cs
@@ -313,8 +313,7 @@ namespace NzbDrone.Core.Download.Clients.Nzbget
             var config = _proxy.GetConfig(Settings);
 
             var keepHistory = config.GetValueOrDefault("KeepHistory", "7");
-            int value;
-            if (!int.TryParse(keepHistory, NumberStyles.None, CultureInfo.InvariantCulture, out value) || value == 0)
+            if (!int.TryParse(keepHistory, NumberStyles.None, CultureInfo.InvariantCulture, out var value) || value == 0)
             {
                 return new NzbDroneValidationFailure(string.Empty, "NzbGet setting KeepHistory should be greater than 0")
                 {
diff --git a/src/NzbDrone.Core/Download/Clients/Nzbget/NzbgetProxy.cs b/src/NzbDrone.Core/Download/Clients/Nzbget/NzbgetProxy.cs
index 846802380..82be95809 100644
--- a/src/NzbDrone.Core/Download/Clients/Nzbget/NzbgetProxy.cs
+++ b/src/NzbDrone.Core/Download/Clients/Nzbget/NzbgetProxy.cs
@@ -164,11 +164,10 @@ namespace NzbDrone.Core.Download.Clients.Nzbget
             var queue = GetQueue(settings);
             var history = GetHistory(settings);
 
-            int nzbId;
             NzbgetQueueItem queueItem;
             NzbgetHistoryItem historyItem;
 
-            if (id.Length < 10 && int.TryParse(id, out nzbId))
+            if (id.Length < 10 && int.TryParse(id, out var nzbId))
             {
                 // Download wasn't grabbed by Radarr, so the id is the NzbId reported by nzbget.
                 queueItem = queue.SingleOrDefault(h => h.NzbId == nzbId);
diff --git a/src/NzbDrone.Core/Download/Clients/Sabnzbd/JsonConverters/SabnzbdPriorityTypeConverter.cs b/src/NzbDrone.Core/Download/Clients/Sabnzbd/JsonConverters/SabnzbdPriorityTypeConverter.cs
index 246b5b558..f29317251 100644
--- a/src/NzbDrone.Core/Download/Clients/Sabnzbd/JsonConverters/SabnzbdPriorityTypeConverter.cs
+++ b/src/NzbDrone.Core/Download/Clients/Sabnzbd/JsonConverters/SabnzbdPriorityTypeConverter.cs
@@ -15,8 +15,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd.JsonConverters
         {
             var queuePriority = reader.Value.ToString();
 
-            SabnzbdPriority output;
-            Enum.TryParse(queuePriority, out output);
+            Enum.TryParse(queuePriority, out SabnzbdPriority output);
 
             return output;
         }
diff --git a/src/NzbDrone.Core/Download/Clients/Sabnzbd/SabnzbdProxy.cs b/src/NzbDrone.Core/Download/Clients/Sabnzbd/SabnzbdProxy.cs
index 998455afb..2179233a8 100644
--- a/src/NzbDrone.Core/Download/Clients/Sabnzbd/SabnzbdProxy.cs
+++ b/src/NzbDrone.Core/Download/Clients/Sabnzbd/SabnzbdProxy.cs
@@ -51,9 +51,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
 
             request.AddFormUpload("name", filename, nzbData, "application/x-nzb");
 
-            SabnzbdAddResponse response;
-
-            if (!Json.TryDeserialize<SabnzbdAddResponse>(ProcessRequest(request, settings), out response))
+            if (!Json.TryDeserialize<SabnzbdAddResponse>(ProcessRequest(request, settings), out var response))
             {
                 response = new SabnzbdAddResponse();
                 response.Status = true;
@@ -76,9 +74,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
         {
             var request = BuildRequest("version", settings);
 
-            SabnzbdVersionResponse response;
-
-            if (!Json.TryDeserialize<SabnzbdVersionResponse>(ProcessRequest(request, settings), out response))
+            if (!Json.TryDeserialize<SabnzbdVersionResponse>(ProcessRequest(request, settings), out var response))
             {
                 response = new SabnzbdVersionResponse();
             }
@@ -142,9 +138,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
             var request = BuildRequest("retry", settings);
             request.AddQueryParam("value", id);
 
-            SabnzbdRetryResponse response;
-
-            if (!Json.TryDeserialize<SabnzbdRetryResponse>(ProcessRequest(request, settings), out response))
+            if (!Json.TryDeserialize<SabnzbdRetryResponse>(ProcessRequest(request, settings), out var response))
             {
                 response = new SabnzbdRetryResponse();
                 response.Status = true;
@@ -215,9 +209,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
 
         private void CheckForError(HttpResponse response)
         {
-            SabnzbdJsonError result;
-
-            if (!Json.TryDeserialize<SabnzbdJsonError>(response.Content, out result))
+            if (!Json.TryDeserialize<SabnzbdJsonError>(response.Content, out var result))
             {
                 // Handle plain text responses from SAB
                 result = new SabnzbdJsonError();
diff --git a/src/NzbDrone.Core/Download/Clients/Vuze/Vuze.cs b/src/NzbDrone.Core/Download/Clients/Vuze/Vuze.cs
index 5592d571e..0643ba26b 100644
--- a/src/NzbDrone.Core/Download/Clients/Vuze/Vuze.cs
+++ b/src/NzbDrone.Core/Download/Clients/Vuze/Vuze.cs
@@ -56,8 +56,7 @@ namespace NzbDrone.Core.Download.Clients.Vuze
 
             _logger.Debug("Vuze protocol version information: {0}", versionString);
 
-            int version;
-            if (!int.TryParse(versionString, out version) || version < MINIMUM_SUPPORTED_PROTOCOL_VERSION)
+            if (!int.TryParse(versionString, out var version) || version < MINIMUM_SUPPORTED_PROTOCOL_VERSION)
             {
                 {
                     return new ValidationFailure(string.Empty, "Protocol version not supported, use Vuze 5.0.0.0 or higher with Vuze Web Remote plugin.");
diff --git a/src/NzbDrone.Core/Download/DownloadClientFactory.cs b/src/NzbDrone.Core/Download/DownloadClientFactory.cs
index d69374794..ee155cb90 100644
--- a/src/NzbDrone.Core/Download/DownloadClientFactory.cs
+++ b/src/NzbDrone.Core/Download/DownloadClientFactory.cs
@@ -60,8 +60,7 @@ namespace NzbDrone.Core.Download
 
             foreach (var client in clients)
             {
-                DownloadClientStatus downloadClientStatus;
-                if (blockedIndexers.TryGetValue(client.Definition.Id, out downloadClientStatus))
+                if (blockedIndexers.TryGetValue(client.Definition.Id, out var downloadClientStatus))
                 {
                     _logger.Debug("Temporarily ignoring download client {0} till {1} due to recent failures.", client.Definition.Name, downloadClientStatus.DisabledTill.Value.ToLocalTime());
                     continue;
diff --git a/src/NzbDrone.Core/HealthCheck/HealthCheckService.cs b/src/NzbDrone.Core/HealthCheck/HealthCheckService.cs
index 3e4d13438..caf2a1795 100644
--- a/src/NzbDrone.Core/HealthCheck/HealthCheckService.cs
+++ b/src/NzbDrone.Core/HealthCheck/HealthCheckService.cs
@@ -160,8 +160,7 @@ namespace NzbDrone.Core.HealthCheck
                 _isRunningHealthChecksAfterGracePeriod = false;
             }
 
-            IEventDrivenHealthCheck[] checks;
-            if (!_eventDrivenHealthChecks.TryGetValue(message.GetType(), out checks))
+            if (!_eventDrivenHealthChecks.TryGetValue(message.GetType(), out var checks))
             {
                 return;
             }
diff --git a/src/NzbDrone.Core/Indexers/IndexerFactory.cs b/src/NzbDrone.Core/Indexers/IndexerFactory.cs
index 4e72a36cd..58f3a3f68 100644
--- a/src/NzbDrone.Core/Indexers/IndexerFactory.cs
+++ b/src/NzbDrone.Core/Indexers/IndexerFactory.cs
@@ -88,8 +88,7 @@ namespace NzbDrone.Core.Indexers
 
             foreach (var indexer in indexers)
             {
-                IndexerStatus blockedIndexerStatus;
-                if (blockedIndexers.TryGetValue(indexer.Definition.Id, out blockedIndexerStatus))
+                if (blockedIndexers.TryGetValue(indexer.Definition.Id, out var blockedIndexerStatus))
                 {
                     _logger.Debug("Temporarily ignoring indexer {0} till {1} due to recent failures.", indexer.Definition.Name, blockedIndexerStatus.DisabledTill.Value.ToLocalTime());
                     continue;
diff --git a/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs b/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
index 7b05c88df..d46dc782d 100644
--- a/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
@@ -131,10 +131,8 @@ namespace NzbDrone.Core.Indexers.Newznab
 
         protected override long GetSize(XElement item)
         {
-            long size;
-
             var sizeString = TryGetNewznabAttribute(item, "size");
-            if (!sizeString.IsNullOrWhiteSpace() && long.TryParse(sizeString, out size))
+            if (!sizeString.IsNullOrWhiteSpace() && long.TryParse(sizeString, out var size))
             {
                 return size;
             }
@@ -170,9 +168,8 @@ namespace NzbDrone.Core.Indexers.Newznab
         protected virtual int GetImdbId(XElement item)
         {
             var imdbIdString = TryGetNewznabAttribute(item, "imdb");
-            int imdbId;
 
-            if (!imdbIdString.IsNullOrWhiteSpace() && int.TryParse(imdbIdString, out imdbId))
+            if (!imdbIdString.IsNullOrWhiteSpace() && int.TryParse(imdbIdString, out var imdbId))
             {
                 return imdbId;
             }
@@ -196,9 +193,8 @@ namespace NzbDrone.Core.Indexers.Newznab
         protected virtual int GetImdbYear(XElement item)
         {
             var imdbYearString = TryGetNewznabAttribute(item, "imdbyear");
-            int imdbYear;
 
-            if (!imdbYearString.IsNullOrWhiteSpace() && int.TryParse(imdbYearString, out imdbYear))
+            if (!imdbYearString.IsNullOrWhiteSpace() && int.TryParse(imdbYearString, out var imdbYear))
             {
                 return imdbYear;
             }
diff --git a/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs b/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
index 51d963bc5..0ed9cb066 100644
--- a/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
@@ -127,10 +127,8 @@ namespace NzbDrone.Core.Indexers.Torznab
 
         protected override long GetSize(XElement item)
         {
-            long size;
-
             var sizeString = TryGetTorznabAttribute(item, "size");
-            if (!sizeString.IsNullOrWhiteSpace() && long.TryParse(sizeString, out size))
+            if (!sizeString.IsNullOrWhiteSpace() && long.TryParse(sizeString, out var size))
             {
                 return size;
             }
@@ -247,9 +245,7 @@ namespace NzbDrone.Core.Indexers.Torznab
         {
             var attr = TryGetTorznabAttribute(item, key, defaultValue.ToString());
 
-            float result = 0;
-
-            if (float.TryParse(attr, out result))
+            if (float.TryParse(attr, out var result))
             {
                 return result;
             }
diff --git a/src/NzbDrone.Core/Indexers/XElementExtensions.cs b/src/NzbDrone.Core/Indexers/XElementExtensions.cs
index 1c4ca6634..f2fb9ef84 100644
--- a/src/NzbDrone.Core/Indexers/XElementExtensions.cs
+++ b/src/NzbDrone.Core/Indexers/XElementExtensions.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
@@ -37,8 +37,7 @@ namespace NzbDrone.Core.Indexers
         {
             try
             {
-                DateTime result;
-                if (!DateTime.TryParse(dateString, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AssumeUniversal, out result))
+                if (!DateTime.TryParse(dateString, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AssumeUniversal, out var result))
                 {
                     dateString = RemoveTimeZoneRegex.Replace(dateString, "");
                     result = DateTime.Parse(dateString, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AssumeUniversal);
diff --git a/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs b/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs
index 82d8246ef..135d59c07 100644
--- a/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs
+++ b/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs
@@ -23,7 +23,6 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Aggregation.Aggregators
         public LocalMovie Aggregate(LocalMovie localMovie, DownloadClientItem downloadClientItem)
         {
             var languages = new List<Language> { localMovie.Movie?.MovieMetadata.Value.OriginalLanguage ?? Language.Unknown };
-            var languagesConfidence = Confidence.Default;
 
             foreach (var augmentLanguage in _augmentLanguages)
             {
@@ -38,7 +37,6 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Aggregation.Aggregators
                 if (augmentedLanguage?.Languages != null && augmentedLanguage.Languages.Count > 0 && !(augmentedLanguage.Languages.Count == 1 && augmentedLanguage.Languages.Contains(Language.Unknown)))
                 {
                     languages = augmentedLanguage.Languages;
-                    languagesConfidence = augmentedLanguage.Confidence;
                 }
             }
 
diff --git a/src/NzbDrone.Core/MediaFiles/UpdateMovieFileService.cs b/src/NzbDrone.Core/MediaFiles/UpdateMovieFileService.cs
index b7a297394..58691bb1a 100644
--- a/src/NzbDrone.Core/MediaFiles/UpdateMovieFileService.cs
+++ b/src/NzbDrone.Core/MediaFiles/UpdateMovieFileService.cs
@@ -77,9 +77,7 @@ namespace NzbDrone.Core.MediaFiles
 
         private bool ChangeFileDate(string filePath, DateTime date)
         {
-            DateTime oldDateTime;
-
-            if (DateTime.TryParse(_diskProvider.FileGetLastWrite(filePath).ToLongDateString(), out oldDateTime))
+            if (DateTime.TryParse(_diskProvider.FileGetLastWrite(filePath).ToLongDateString(), out var oldDateTime))
             {
                 if (!DateTime.Equals(date, oldDateTime))
                 {
diff --git a/src/NzbDrone.Core/Messaging/Events/EventAggregator.cs b/src/NzbDrone.Core/Messaging/Events/EventAggregator.cs
index 9af45ca51..3b24899ac 100644
--- a/src/NzbDrone.Core/Messaging/Events/EventAggregator.cs
+++ b/src/NzbDrone.Core/Messaging/Events/EventAggregator.cs
@@ -75,8 +75,7 @@ namespace NzbDrone.Core.Messaging.Events
             EventSubscribers<TEvent> subscribers;
             lock (_eventSubscribers)
             {
-                object target;
-                if (!_eventSubscribers.TryGetValue(eventName, out target))
+                if (!_eventSubscribers.TryGetValue(eventName, out var target))
                 {
                     _eventSubscribers[eventName] = target = new EventSubscribers<TEvent>(_serviceFactory);
                 }
diff --git a/src/NzbDrone.Core/Movies/Collections/MovieCollectionRepository.cs b/src/NzbDrone.Core/Movies/Collections/MovieCollectionRepository.cs
index 2017147fc..be2ef9f69 100644
--- a/src/NzbDrone.Core/Movies/Collections/MovieCollectionRepository.cs
+++ b/src/NzbDrone.Core/Movies/Collections/MovieCollectionRepository.cs
@@ -33,7 +33,6 @@ namespace NzbDrone.Core.Movies.Collections
             var existingMetadata = GetByTmdbId(data.Select(x => x.TmdbId).ToList());
             var updateCollectionList = new List<MovieCollection>();
             var addCollectionList = new List<MovieCollection>();
-            int upToDateMetadataCount = 0;
 
             foreach (var collection in data)
             {
@@ -50,7 +49,6 @@ namespace NzbDrone.Core.Movies.Collections
                     }
                     else
                     {
-                        upToDateMetadataCount++;
                     }
                 }
                 else
diff --git a/src/NzbDrone.Core/Movies/MovieMetadataRepository.cs b/src/NzbDrone.Core/Movies/MovieMetadataRepository.cs
index e7e6142ca..0007f6138 100644
--- a/src/NzbDrone.Core/Movies/MovieMetadataRepository.cs
+++ b/src/NzbDrone.Core/Movies/MovieMetadataRepository.cs
@@ -55,9 +55,7 @@ namespace NzbDrone.Core.Movies
                 builder,
                 (metadata, translation) =>
                 {
-                    MovieMetadata movieEntry;
-
-                    if (!movieDictionary.TryGetValue(metadata.Id, out movieEntry))
+                    if (!movieDictionary.TryGetValue(metadata.Id, out var movieEntry))
                     {
                         movieEntry = metadata;
                         movieDictionary.Add(movieEntry.Id, movieEntry);
diff --git a/src/NzbDrone.Core/Movies/MovieRepository.cs b/src/NzbDrone.Core/Movies/MovieRepository.cs
index dede0dbe8..02aa448e2 100644
--- a/src/NzbDrone.Core/Movies/MovieRepository.cs
+++ b/src/NzbDrone.Core/Movies/MovieRepository.cs
@@ -56,9 +56,7 @@ namespace NzbDrone.Core.Movies
 
         private Movie Map(Dictionary<int, Movie> dict, Movie movie, Profile profile, MovieFile movieFile, AlternativeTitle altTitle = null, MovieTranslation translation = null)
         {
-            Movie movieEntry;
-
-            if (!dict.TryGetValue(movie.Id, out movieEntry))
+            if (!dict.TryGetValue(movie.Id, out var movieEntry))
             {
                 movieEntry = movie;
                 movieEntry.Profile = profile;
diff --git a/src/NzbDrone.Core/Notifications/Plex/PlexTv/PlexTvProxy.cs b/src/NzbDrone.Core/Notifications/Plex/PlexTv/PlexTvProxy.cs
index 0a299a4ba..39432f793 100644
--- a/src/NzbDrone.Core/Notifications/Plex/PlexTv/PlexTvProxy.cs
+++ b/src/NzbDrone.Core/Notifications/Plex/PlexTv/PlexTvProxy.cs
@@ -30,9 +30,7 @@ namespace NzbDrone.Core.Notifications.Plex.PlexTv
             var request = BuildRequest(clientIdentifier);
             request.ResourceUrl = $"/api/v2/pins/{pinId}";
 
-            PlexTvPinResponse response;
-
-            if (!Json.TryDeserialize<PlexTvPinResponse>(ProcessRequest(request), out response))
+            if (!Json.TryDeserialize<PlexTvPinResponse>(ProcessRequest(request), out var response))
             {
                 response = new PlexTvPinResponse();
             }
diff --git a/src/NzbDrone.Core/Notifications/PushBullet/PushBulletProxy.cs b/src/NzbDrone.Core/Notifications/PushBullet/PushBulletProxy.cs
index 495e7fe93..ce0354d27 100644
--- a/src/NzbDrone.Core/Notifications/PushBullet/PushBulletProxy.cs
+++ b/src/NzbDrone.Core/Notifications/PushBullet/PushBulletProxy.cs
@@ -152,14 +152,13 @@ namespace NzbDrone.Core.Notifications.PushBullet
         private HttpRequestBuilder BuildDeviceRequest(string deviceId)
         {
             var requestBuilder = new HttpRequestBuilder(PUSH_URL).Post();
-            long integerId;
 
             if (deviceId.IsNullOrWhiteSpace())
             {
                 return requestBuilder;
             }
 
-            if (long.TryParse(deviceId, out integerId))
+            if (long.TryParse(deviceId, out var integerId))
             {
                 requestBuilder.AddFormParameter("device_id", integerId);
             }
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index 3d6d48944..a1872ef57 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -459,10 +459,8 @@ namespace NzbDrone.Core.Parser
 
         public static string CleanMovieTitle(this string title)
         {
-            long number = 0;
-
             // If Title only contains numbers return it as is.
-            if (long.TryParse(title, out number))
+            if (long.TryParse(title, out _))
             {
                 return title;
             }
@@ -550,9 +548,8 @@ namespace NzbDrone.Core.Parser
             if (matches.Count != 0)
             {
                 var group = matches.OfType<Match>().Last().Groups["releasegroup"].Value;
-                int groupIsNumeric;
 
-                if (int.TryParse(group, out groupIsNumeric))
+                if (int.TryParse(group, out _))
                 {
                     return null;
                 }
diff --git a/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeral.cs b/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeral.cs
index 47564643a..ff3f03596 100644
--- a/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeral.cs
+++ b/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeral.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Text;
 
 namespace NzbDrone.Core.Parser.RomanNumerals
@@ -52,9 +52,7 @@ namespace NzbDrone.Core.Parser.RomanNumerals
         /// <param name="romanNumeral">The roman numeral.</param>
         public RomanNumeral(string romanNumeral)
         {
-            int value;
-
-            if (TryParse(romanNumeral, out value))
+            if (TryParse(romanNumeral, out var value))
             {
                 _value = value;
             }
@@ -312,10 +310,9 @@ namespace NzbDrone.Core.Parser.RomanNumerals
             }
             else if (obj is string)
             {
-                int value;
                 var numeral = obj as string;
 
-                if (TryParse(numeral, out value))
+                if (TryParse(numeral, out var value))
                 {
                     return _value.CompareTo(value);
                 }
diff --git a/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeralParser.cs b/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeralParser.cs
index e8d6368d7..a898fc174 100644
--- a/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeralParser.cs
+++ b/src/NzbDrone.Core/Parser/RomanNumerals/RomanNumeralParser.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -28,8 +28,7 @@ namespace NzbDrone.Core.Parser.RomanNumerals
             _simpleArabicNumeralMappings = new Dictionary<SimpleArabicNumeral, SimpleRomanNumeral>();
             foreach (int arabicNumeral in Enumerable.Range(1, DICTIONARY_PREPOPULATION_SIZE + 1))
             {
-                string romanNumeralAsString, arabicNumeralAsString;
-                GenerateRomanNumerals(arabicNumeral, out romanNumeralAsString, out arabicNumeralAsString);
+                GenerateRomanNumerals(arabicNumeral, out var romanNumeralAsString, out var arabicNumeralAsString);
                 ArabicRomanNumeral arm = new ArabicRomanNumeral(arabicNumeral, arabicNumeralAsString, romanNumeralAsString);
                 _arabicRomanNumeralsMapping.Add(arm);
 
@@ -51,9 +50,7 @@ namespace NzbDrone.Core.Parser.RomanNumerals
             HashSet<ArabicRomanNumeral> additionalArabicRomanNumerals = new HashSet<ArabicRomanNumeral>();
             foreach (int arabicNumeral in Enumerable.Range(offset, length))
             {
-                string romanNumeral;
-                string arabicNumeralAsString;
-                GenerateRomanNumerals(arabicNumeral, out romanNumeral, out arabicNumeralAsString);
+                GenerateRomanNumerals(arabicNumeral, out var romanNumeral, out var arabicNumeralAsString);
                 ArabicRomanNumeral arm = new ArabicRomanNumeral(arabicNumeral, arabicNumeralAsString, romanNumeral);
                 additionalArabicRomanNumerals.Add(arm);
             }
@@ -129,9 +126,7 @@ namespace NzbDrone.Core.Parser.RomanNumerals
             Dictionary<SimpleArabicNumeral, SimpleRomanNumeral> moreNumerals = new Dictionary<SimpleArabicNumeral, SimpleRomanNumeral>();
             foreach (int arabicNumeral in Enumerable.Range(offset, length))
             {
-                string romanNumeral;
-                string arabicNumeralAsString;
-                GenerateRomanNumerals(arabicNumeral, out romanNumeral, out arabicNumeralAsString);
+                GenerateRomanNumerals(arabicNumeral, out var romanNumeral, out _);
                 SimpleArabicNumeral san = new SimpleArabicNumeral(arabicNumeral);
                 SimpleRomanNumeral srn = new SimpleRomanNumeral(romanNumeral);
                 moreNumerals.Add(san, srn);
diff --git a/src/NzbDrone.Core/Restrictions/TermMatcher.cs b/src/NzbDrone.Core/Restrictions/TermMatcher.cs
index ceb5d66a9..3bc40c3cf 100644
--- a/src/NzbDrone.Core/Restrictions/TermMatcher.cs
+++ b/src/NzbDrone.Core/Restrictions/TermMatcher.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Text.RegularExpressions;
+using System;
 using NzbDrone.Common.Cache;
 
 namespace NzbDrone.Core.Restrictions
@@ -30,8 +29,7 @@ namespace NzbDrone.Core.Restrictions
 
         private Predicate<string> CreateMatcherInternal(string term)
         {
-            Regex regex;
-            if (PerlRegexFactory.TryCreateRegex(term, out regex))
+            if (PerlRegexFactory.TryCreateRegex(term, out var regex))
             {
                 return regex.IsMatch;
             }
diff --git a/src/NzbDrone.Mono.Test/DiskProviderTests/DiskProviderFixture.cs b/src/NzbDrone.Mono.Test/DiskProviderTests/DiskProviderFixture.cs
index cb804ecf4..25a02fd43 100644
--- a/src/NzbDrone.Mono.Test/DiskProviderTests/DiskProviderFixture.cs
+++ b/src/NzbDrone.Mono.Test/DiskProviderTests/DiskProviderFixture.cs
@@ -57,8 +57,7 @@ namespace NzbDrone.Mono.Test.DiskProviderTests
         protected void SetWritePermissionsInternal(string path, bool writable, bool setgid)
         {
             // Remove Write permissions, we're still owner so we can clean it up, but we'll have to do that explicitly.
-            Stat stat;
-            Syscall.stat(path, out stat);
+            Syscall.stat(path, out var stat);
             FilePermissions mode = stat.st_mode;
 
             if (writable)
diff --git a/src/NzbDrone.Mono/Disk/DiskProvider.cs b/src/NzbDrone.Mono/Disk/DiskProvider.cs
index 26b1db082..0cbdf9cfa 100644
--- a/src/NzbDrone.Mono/Disk/DiskProvider.cs
+++ b/src/NzbDrone.Mono/Disk/DiskProvider.cs
@@ -474,9 +474,7 @@ namespace NzbDrone.Mono.Disk
                 return UNCHANGED_ID;
             }
 
-            uint userId;
-
-            if (uint.TryParse(user, out userId))
+            if (uint.TryParse(user, out var userId))
             {
                 return userId;
             }
@@ -498,9 +496,7 @@ namespace NzbDrone.Mono.Disk
                 return UNCHANGED_ID;
             }
 
-            uint groupId;
-
-            if (uint.TryParse(group, out groupId))
+            if (uint.TryParse(group, out var groupId))
             {
                 return groupId;
             }
diff --git a/src/NzbDrone.Mono/Disk/SymbolicLinkResolver.cs b/src/NzbDrone.Mono/Disk/SymbolicLinkResolver.cs
index a837b59a6..103bdf430 100644
--- a/src/NzbDrone.Mono/Disk/SymbolicLinkResolver.cs
+++ b/src/NzbDrone.Mono/Disk/SymbolicLinkResolver.cs
@@ -83,9 +83,7 @@ namespace NzbDrone.Mono.Disk
 
         private bool TryFollowFirstSymbolicLink(ref string path)
         {
-            string[] dirs;
-            int lastIndex;
-            GetPathComponents(path, out dirs, out lastIndex);
+            GetPathComponents(path, out var dirs, out var lastIndex);
 
             if (lastIndex == 0)
             {
diff --git a/src/NzbDrone.Test.Common/LoggingTest.cs b/src/NzbDrone.Test.Common/LoggingTest.cs
index 092c3a98e..f56a1f00f 100644
--- a/src/NzbDrone.Test.Common/LoggingTest.cs
+++ b/src/NzbDrone.Test.Common/LoggingTest.cs
@@ -23,8 +23,7 @@ namespace NzbDrone.Test.Common
             {
                 LogManager.Configuration = new LoggingConfiguration();
 
-                var logOutput = TestLogOutput.Console;
-                Enum.TryParse<TestLogOutput>(Environment.GetEnvironmentVariable("RADARR_TESTS_LOG_OUTPUT"), out logOutput);
+                Enum.TryParse<TestLogOutput>(Environment.GetEnvironmentVariable("RADARR_TESTS_LOG_OUTPUT"), out var logOutput);
 
                 RegisterSentryLogger();
 
diff --git a/src/NzbDrone.Update/UpdateApp.cs b/src/NzbDrone.Update/UpdateApp.cs
index 1254e0817..176b41909 100644
--- a/src/NzbDrone.Update/UpdateApp.cs
+++ b/src/NzbDrone.Update/UpdateApp.cs
@@ -99,8 +99,7 @@ namespace NzbDrone.Update
 
         private int ParseProcessId(string arg)
         {
-            int id;
-            if (!int.TryParse(arg, out id) || id <= 0)
+            if (!int.TryParse(arg, out var id) || id <= 0)
             {
                 throw new ArgumentOutOfRangeException("arg", "Invalid process ID");
             }
diff --git a/src/NzbDrone.Windows/Disk/DiskProvider.cs b/src/NzbDrone.Windows/Disk/DiskProvider.cs
index 8e8ccba26..97b73c607 100644
--- a/src/NzbDrone.Windows/Disk/DiskProvider.cs
+++ b/src/NzbDrone.Windows/Disk/DiskProvider.cs
@@ -92,8 +92,7 @@ namespace NzbDrone.Windows.Disk
                                                           PropagationFlags.InheritOnly,
                                                           controlType);
 
-                bool modified;
-                directorySecurity.ModifyAccessRule(AccessControlModification.Add, accessRule, out modified);
+                directorySecurity.ModifyAccessRule(AccessControlModification.Add, accessRule, out var modified);
 
                 if (modified)
                 {
@@ -142,11 +141,7 @@ namespace NzbDrone.Windows.Disk
                 folderName += '\\';
             }
 
-            ulong free = 0;
-            ulong dummy1 = 0;
-            ulong dummy2 = 0;
-
-            if (GetDiskFreeSpaceEx(folderName, out free, out dummy1, out dummy2))
+            if (GetDiskFreeSpaceEx(folderName, out var free, out var dummy1, out var dummy2))
             {
                 return (long)free;
             }
@@ -163,11 +158,7 @@ namespace NzbDrone.Windows.Disk
                 folderName += '\\';
             }
 
-            ulong total = 0;
-            ulong dummy1 = 0;
-            ulong dummy2 = 0;
-
-            if (GetDiskFreeSpaceEx(folderName, out dummy1, out total, out dummy2))
+            if (GetDiskFreeSpaceEx(folderName, out var dummy1, out var total, out var dummy2))
             {
                 return (long)total;
             }
diff --git a/src/Radarr.Http/ClientSchema/SchemaBuilder.cs b/src/Radarr.Http/ClientSchema/SchemaBuilder.cs
index 3a7c990ac..e528221d1 100644
--- a/src/Radarr.Http/ClientSchema/SchemaBuilder.cs
+++ b/src/Radarr.Http/ClientSchema/SchemaBuilder.cs
@@ -67,8 +67,7 @@ namespace Radarr.Http.ClientSchema
         {
             lock (_mappings)
             {
-                FieldMapping[] result;
-                if (!_mappings.TryGetValue(type, out result))
+                if (!_mappings.TryGetValue(type, out var result))
                 {
                     result = GetFieldMapping(type, "", v => v);