diff --git a/Src/Support/Google.Apis.Auth/Google.Apis.Auth.csproj b/Src/Support/Google.Apis.Auth/Google.Apis.Auth.csproj
index f5ff99df4ad..9e507b22162 100644
--- a/Src/Support/Google.Apis.Auth/Google.Apis.Auth.csproj
+++ b/Src/Support/Google.Apis.Auth/Google.Apis.Auth.csproj
@@ -42,7 +42,11 @@ This package includes auth components like user-credential, authorization code f
     <Reference Include="System.Net.Http" />
     <PackageReference Include="System.Management" Version="7.0.2" />
   </ItemGroup>
-
+  
+  <ItemGroup Condition="'$(TargetFramework)'=='net6.0'">
+    <PackageReference Include="System.Management" Version="7.0.2" />
+  </ItemGroup>
+  
   <ItemGroup>
     <Compile Update="OAuth2/AwsExternalAccountCredential.*.cs">
       <DependentUpon>OAuth2/AwsExternalAccountCredential.cs</DependentUpon>
diff --git a/Src/Support/Google.Apis.Auth/OAuth2/ComputeCredential.cs b/Src/Support/Google.Apis.Auth/OAuth2/ComputeCredential.cs
index 8034b5a413a..0dc7821b7f5 100644
--- a/Src/Support/Google.Apis.Auth/OAuth2/ComputeCredential.cs
+++ b/Src/Support/Google.Apis.Auth/OAuth2/ComputeCredential.cs
@@ -379,13 +379,12 @@ private static async Task<bool> IsGoogleBiosAsync()
 
             bool IsWindows()
             {
-#if NET45
+#if NET462
                 // RuntimeInformation.IsOsPlatform is not available for NET45.
                 // We are probably on Windows, unless we are using Mono which means we might be
                 // elsewhere. But we don't have a reliable way to determine that, so let's
                 // return false, always.
-                // Note that this check will go away after
-                // https://github.com/googleapis/google-api-dotnet-client/issues/2561.
+                // Note that this check can go away after we update to 4.7.1 or higher.
                 return false;
 #else
                 return RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
@@ -394,13 +393,12 @@ bool IsWindows()
 
             bool IsLinux()
             {
-#if NET45
+#if NET462
                 // RuntimeInformation.IsOsPlatform is not available for NET45.
                 // There's a chance we are on Linux if we are using Mono.
                 // But we don't have a reliable way to determine that, so let's
                 // return false, always.
-                // Note that this check will go away after
-                // https://github.com/googleapis/google-api-dotnet-client/issues/2561.
+                // Note that this check can go away after we update to 4.7.1 or higher.
                 return false;
 #else
                 return RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
@@ -410,10 +408,6 @@ bool IsLinux()
             bool IsWindowsGoogleBios()
             {
                 Logger.Info("Checking BIOS values on Windows.");
-#if NET45 || NETSTANDARD1_3
-                Logger.Debug("System.Management is not supported in net45 and netstandard1.3");
-                return false;
-#else
                 System.Management.ManagementClass biosClass = new ("Win32_BIOS");
                 using var instances = biosClass.GetInstances();
 
@@ -438,7 +432,6 @@ bool IsWindowsGoogleBios()
                     Logger.Debug("No Win32_BIOS management object found.");
                 }
                 return isGoogle;
-#endif
             }
 
             async Task<bool> IsLinuxGoogleBiosAsync()
diff --git a/Src/Support/Google.Apis.Tests/CultureSwitcher.cs b/Src/Support/Google.Apis.Tests/CultureSwitcher.cs
index 634cb6486c7..ed8fbe107db 100644
--- a/Src/Support/Google.Apis.Tests/CultureSwitcher.cs
+++ b/Src/Support/Google.Apis.Tests/CultureSwitcher.cs
@@ -47,14 +47,5 @@ internal CultureSwitcher(CultureInfo newCulture)
 
     public void Dispose() => SetCulture(_originalCulture);
 
-    private void SetCulture(CultureInfo culture)
-    {
-        // CultureInfo.CurrentCulture is the preferred way to set this,
-        // but it was read-only on .NET Framework before v4.6.
-#if NET452
-        System.Threading.Thread.CurrentThread.CurrentCulture = culture;
-#else
-        CultureInfo.CurrentCulture = culture;
-#endif
-    }
+    private void SetCulture(CultureInfo culture) => CultureInfo.CurrentCulture = culture;
 }