diff --git a/src/NzbDrone.Common/Disk/DiskProviderBase.cs b/src/NzbDrone.Common/Disk/DiskProviderBase.cs
index 0b246effb..f051e3adb 100644
--- a/src/NzbDrone.Common/Disk/DiskProviderBase.cs
+++ b/src/NzbDrone.Common/Disk/DiskProviderBase.cs
@@ -483,12 +483,11 @@ namespace NzbDrone.Common.Disk
 
                 return mounts.Where(drive => drive.RootDirectory.PathEquals(path) ||
                                              drive.RootDirectory.IsParentPath(path))
-                          .OrderByDescending(drive => drive.RootDirectory.Length)
-                          .FirstOrDefault();
+                          .MaxBy(drive => drive.RootDirectory.Length);
             }
             catch (Exception ex)
             {
-                Logger.Debug(ex, string.Format("Failed to get mount for path {0}", path));
+                Logger.Debug(ex, $"Failed to get mount for path {path}");
                 return null;
             }
         }
diff --git a/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs b/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs
index 8b509c2a3..80e0a3313 100644
--- a/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs
+++ b/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs
@@ -239,8 +239,7 @@ namespace NzbDrone.Core.Download.Pending
             var movieReleases = GetPendingReleases(movieId);
 
             return movieReleases.Select(r => r.RemoteMovie)
-                                 .OrderByDescending(p => p.Release.AgeHours)
-                                 .FirstOrDefault();
+                                 .MaxBy(p => p.Release.AgeHours);
         }
 
         private List<PendingRelease> GetPendingReleases()
diff --git a/src/NzbDrone.Core/History/HistoryRepository.cs b/src/NzbDrone.Core/History/HistoryRepository.cs
index e90888925..118df0f1b 100644
--- a/src/NzbDrone.Core/History/HistoryRepository.cs
+++ b/src/NzbDrone.Core/History/HistoryRepository.cs
@@ -37,9 +37,7 @@ namespace NzbDrone.Core.History
 
         public MovieHistory MostRecentForDownloadId(string downloadId)
         {
-            return FindByDownloadId(downloadId)
-                .OrderByDescending(h => h.Date)
-                .FirstOrDefault();
+            return FindByDownloadId(downloadId).MaxBy(h => h.Date);
         }
 
         public List<MovieHistory> FindByDownloadId(string downloadId)
@@ -90,9 +88,7 @@ namespace NzbDrone.Core.History
 
         public MovieHistory MostRecentForMovie(int movieId)
         {
-            return Query(x => x.MovieId == movieId)
-                .OrderByDescending(h => h.Date)
-                .FirstOrDefault();
+            return Query(x => x.MovieId == movieId).MaxBy(h => h.Date);
         }
 
         public List<MovieHistory> Since(DateTime date, MovieHistoryEventType? eventType)
diff --git a/src/NzbDrone.Core/RootFolders/RootFolderService.cs b/src/NzbDrone.Core/RootFolders/RootFolderService.cs
index b9c42fde4..c6bca04aa 100644
--- a/src/NzbDrone.Core/RootFolders/RootFolderService.cs
+++ b/src/NzbDrone.Core/RootFolders/RootFolderService.cs
@@ -182,9 +182,7 @@ namespace NzbDrone.Core.RootFolders
 
         public string GetBestRootFolderPath(string path)
         {
-            var possibleRootFolder = All().Where(r => r.Path.IsParentPath(path))
-                                          .OrderByDescending(r => r.Path.Length)
-                                          .FirstOrDefault();
+            var possibleRootFolder = All().Where(r => r.Path.IsParentPath(path)).MaxBy(r => r.Path.Length);
 
             if (possibleRootFolder == null)
             {