diff --git a/src/System.Management.Automation/namespaces/IContentProvider.cs b/src/System.Management.Automation/namespaces/IContentProvider.cs
index f3dcc2f3b2e..b3773ca0973 100644
--- a/src/System.Management.Automation/namespaces/IContentProvider.cs
+++ b/src/System.Management.Automation/namespaces/IContentProvider.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+#nullable enable
 namespace System.Management.Automation.Provider
 {
     #region IContentCmdletProvider
@@ -46,7 +47,7 @@ public interface IContentCmdletProvider
         /// the user unless the Force property is set to true. An error should be sent to the WriteError method if
         /// the path represents an item that is hidden from the user and Force is set to false.
         /// </remarks>
-        IContentReader GetContentReader(string path);
+        IContentReader? GetContentReader(string path);
 
         /// <summary>
         /// Gives the provider an opportunity to attach additional parameters to the
@@ -63,7 +64,7 @@ public interface IContentCmdletProvider
         ///
         /// The default implementation returns null. (no additional parameters)
         /// </returns>
-        object GetContentReaderDynamicParameters(string path);
+        object? GetContentReaderDynamicParameters(string path);
 
         /// <summary>
         /// Gets the content writer for the item at the specified path.
@@ -87,7 +88,7 @@ public interface IContentCmdletProvider
         /// the user unless the Force property is set to true. An error should be sent to the WriteError method if
         /// the path represents an item that is hidden from the user and Force is set to false.
         /// </remarks>
-        IContentWriter GetContentWriter(string path);
+        IContentWriter? GetContentWriter(string path);
 
         /// <summary>
         /// Gives the provider an opportunity to attach additional parameters to the
@@ -104,7 +105,7 @@ public interface IContentCmdletProvider
         ///
         /// The default implementation returns null. (no additional parameters)
         /// </returns>
-        object GetContentWriterDynamicParameters(string path);
+        object? GetContentWriterDynamicParameters(string path);
 
         /// <summary>
         /// Clears the content from the specified item.
@@ -141,7 +142,7 @@ public interface IContentCmdletProvider
         ///
         /// The default implementation returns null. (no additional parameters)
         /// </returns>
-        object ClearContentDynamicParameters(string path);
+        object? ClearContentDynamicParameters(string path);
     }
 
     #endregion IContentCmdletProvider