diff --git a/src/VisualStudio/Core/Def/Implementation/Serialization/AssemblySerializationInfoService.cs b/src/VisualStudio/Core/Def/Implementation/Serialization/AssemblySerializationInfoService.cs
index a832b2dfc3bf9198d803f9c04991733024bd7733..788b117baf13369be3a99229d1fdd47b433e8faa 100644
--- a/src/VisualStudio/Core/Def/Implementation/Serialization/AssemblySerializationInfoService.cs
+++ b/src/VisualStudio/Core/Def/Implementation/Serialization/AssemblySerializationInfoService.cs
@@ -13,7 +13,7 @@ internal class AssemblySerializationInfoService : IAssemblySerializationInfoServ
     {
         public bool Serializable(Solution solution, string assemblyFilePath)
         {
-            if (assemblyFilePath == null || !File.Exists(assemblyFilePath) || !ReferencePathUtilities.PartOfFrameworkOrReferencePaths(assemblyFilePath))
+            if (assemblyFilePath == null || !File.Exists(assemblyFilePath))
             {
                 return false;
             }