diff --git a/src/Shared/FrameworkLocationHelper.cs b/src/Shared/FrameworkLocationHelper.cs
index 8901b0def29..b0b620ad68a 100644
--- a/src/Shared/FrameworkLocationHelper.cs
+++ b/src/Shared/FrameworkLocationHelper.cs
@@ -1392,8 +1392,8 @@ public virtual string GetPathToDotNetFramework(DotNetFrameworkArchitecture archi
                 // Context: https://github.com/dotnet/msbuild/pull/7689
                 if (this._hasMsBuild &&
                     generatedPathToDotNetFramework != null &&
-                    (!FileSystems.Default.FileExists(Path.Combine(generatedPathToDotNetFramework, NativeMethodsShared.IsWindows ? "MSBuild.exe" : "mcs.exe")) &&
-                     !FileSystems.Default.FileExists(Path.Combine(generatedPathToDotNetFramework, "Microsoft.Build.dll"))))
+                    (!File.Exists(Path.Combine(generatedPathToDotNetFramework, NativeMethodsShared.IsWindows ? "MSBuild.exe" : "mcs.exe")) &&
+                     !File.Exists(Path.Combine(generatedPathToDotNetFramework, "Microsoft.Build.dll"))))
                 {
                     return null;
                 }
diff --git a/src/Utilities/ToolLocationHelper.cs b/src/Utilities/ToolLocationHelper.cs
index 76198ed413a..0d45b676cd8 100644
--- a/src/Utilities/ToolLocationHelper.cs
+++ b/src/Utilities/ToolLocationHelper.cs
@@ -3584,7 +3584,7 @@ public static string GetPathToBuildToolsFile(string fileName, string toolsVersio
             {
                 toolPath = Path.Combine(toolPath, fileName);
 
-                if (!FileSystems.Default.FileExists(toolPath))
+                if (!File.Exists(toolPath))
                 {
                     toolPath = null;
                 }