diff --git a/build/Packages.props b/build/Packages.props
index 09ed173843..304087d321 100644
--- a/build/Packages.props
+++ b/build/Packages.props
@@ -12,8 +12,8 @@
   <ItemGroup>
     <PackageReference Update="Cake.Scripting.Transport" Version="0.3.0" />
 
-    <PackageReference Update="Dotnet.Script.DependencyModel" Version="0.51.0" />
-    <PackageReference Update="Dotnet.Script.DependencyModel.NuGet" Version="0.51.0" />
+    <PackageReference Update="Dotnet.Script.DependencyModel" Version="0.53.0" />
+    <PackageReference Update="Dotnet.Script.DependencyModel.NuGet" Version="0.53.0" />
     <PackageReference Update="ICSharpCode.Decompiler" Version="5.0.2.5153" />
     <PackageReference Update="McMaster.Extensions.CommandLineUtils" Version="2.2.4" />
 
diff --git a/src/OmniSharp.Host/Services/OmniSharpEnvironment.cs b/src/OmniSharp.Host/Services/OmniSharpEnvironment.cs
index 1a2f13757f..d09a412411 100644
--- a/src/OmniSharp.Host/Services/OmniSharpEnvironment.cs
+++ b/src/OmniSharp.Host/Services/OmniSharpEnvironment.cs
@@ -55,12 +55,5 @@ public OmniSharpEnvironment(
                 SharedDirectory = Path.Combine(root, ".omnisharp");
             }
         }
-
-        public static bool IsValidPath(string path)
-        {
-            return string.IsNullOrEmpty(path)
-                || Directory.Exists(path)
-                || (File.Exists(path) && Path.GetExtension(path).Equals(".sln", StringComparison.OrdinalIgnoreCase));
-        }
     }
 }