diff --git a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs
index 5059c40499d5c6..821f9d47a92d93 100644
--- a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs
+++ b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs
@@ -55,12 +55,6 @@ public bool SecureSocketLayer
             }
         }
 
-        public int ProtocolVersion
-        {
-            get => GetPtrValueHelper(LdapOption.LDAP_OPT_VERSION).ToInt32();
-            set => SetPtrValueHelper(LdapOption.LDAP_OPT_VERSION, new IntPtr(value));
-        }
-
         public ReferralChasingOptions ReferralChasing
         {
             get
diff --git a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Windows.cs b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Windows.cs
index cc73449104adf4..a01c9094a9bb56 100644
--- a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Windows.cs
+++ b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Windows.cs
@@ -34,12 +34,6 @@ public bool SecureSocketLayer
         [UnsupportedOSPlatform("windows")]
         public void StartNewTlsSessionContext() => throw new PlatformNotSupportedException();
 
-        public int ProtocolVersion
-        {
-            get => GetIntValueHelper(LdapOption.LDAP_OPT_VERSION);
-            set => SetIntValueHelper(LdapOption.LDAP_OPT_VERSION, value);
-        }
-
         public ReferralChasingOptions ReferralChasing
         {
             get
diff --git a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.cs b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.cs
index 42fae51688a49f..0967a05a69b453 100644
--- a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.cs
+++ b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.cs
@@ -757,6 +757,12 @@ public void StopTransportLayerSecurity()
             }
         }
 
+        public int ProtocolVersion
+        {
+            get => GetIntValueHelper(LdapOption.LDAP_OPT_VERSION);
+            set => SetIntValueHelper(LdapOption.LDAP_OPT_VERSION, value);
+        }
+
         private int GetIntValueHelper(LdapOption option)
         {
             if (_connection._disposed)