diff --git a/OpenMcdf.Ole/OlePropertiesContainer.cs b/OpenMcdf.Ole/OlePropertiesContainer.cs
index 2a4d17a..72cbfe0 100644
--- a/OpenMcdf.Ole/OlePropertiesContainer.cs
+++ b/OpenMcdf.Ole/OlePropertiesContainer.cs
@@ -32,7 +32,6 @@ public class OlePropertiesContainer
     public PropertyContext Context { get; }
 
     private readonly List<OleProperty> properties = new();
-    internal Stream? cfStream;
 
     /// <summary>
     /// Create a new instance of <see cref="OlePropertiesContainer"/> with the specified code page and container type.
@@ -55,8 +54,6 @@ public OlePropertiesContainer(CfbStream cfStream)
     {
         PropertySetStream pStream = new();
 
-        this.cfStream = cfStream;
-
         using BinaryReader reader = new(cfStream, Encoding.Unicode, true);
         pStream.Read(reader);