diff --git a/osu.Game/Database/ImportTask.cs b/osu.Game/Database/ImportTask.cs
index cd9e396d13..d75c1a73e6 100644
--- a/osu.Game/Database/ImportTask.cs
+++ b/osu.Game/Database/ImportTask.cs
@@ -4,6 +4,7 @@
 #nullable enable
 
 using System.IO;
+using osu.Framework.Extensions;
 using osu.Game.IO.Archives;
 using osu.Game.Stores;
 using osu.Game.Utils;
@@ -63,9 +64,7 @@ namespace osu.Game.Database
             if (!(stream is MemoryStream memoryStream))
             {
                 // This isn't used in any current path. May need to reconsider for performance reasons (ie. if we don't expect the incoming stream to be copied out).
-                byte[] buffer = new byte[stream.Length];
-                stream.Read(buffer, 0, (int)stream.Length);
-                memoryStream = new MemoryStream(buffer);
+                memoryStream = new MemoryStream(stream.ReadAllBytesToArray());
             }
 
             if (ZipUtils.IsZipArchive(memoryStream))
diff --git a/osu.Game/IO/Archives/ArchiveReader.cs b/osu.Game/IO/Archives/ArchiveReader.cs
index 1d8da16c72..dab70eaf70 100644
--- a/osu.Game/IO/Archives/ArchiveReader.cs
+++ b/osu.Game/IO/Archives/ArchiveReader.cs
@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
+using osu.Framework.Extensions;
 using osu.Framework.IO.Stores;
 
 namespace osu.Game.IO.Archives
@@ -35,14 +36,7 @@ namespace osu.Game.IO.Archives
         public virtual byte[] Get(string name)
         {
             using (Stream input = GetStream(name))
-            {
-                if (input == null)
-                    return null;
-
-                byte[] buffer = new byte[input.Length];
-                input.Read(buffer);
-                return buffer;
-            }
+                return input?.ReadAllBytesToArray();
         }
 
         public async Task<byte[]> GetAsync(string name, CancellationToken cancellationToken = default)
@@ -52,9 +46,7 @@ namespace osu.Game.IO.Archives
                 if (input == null)
                     return null;
 
-                byte[] buffer = new byte[input.Length];
-                await input.ReadAsync(buffer, cancellationToken).ConfigureAwait(false);
-                return buffer;
+                return await input.ReadAllBytesToArrayAsync(cancellationToken).ConfigureAwait(false);
             }
         }
     }