diff --git a/src/Microsoft.DotNet.Wpf/ApiCompat/Baselines/PresentationFramework-ref.baseline.txt b/src/Microsoft.DotNet.Wpf/ApiCompat/Baselines/PresentationFramework-ref.baseline.txt
index 14616c02482..8c623516c79 100644
--- a/src/Microsoft.DotNet.Wpf/ApiCompat/Baselines/PresentationFramework-ref.baseline.txt
+++ b/src/Microsoft.DotNet.Wpf/ApiCompat/Baselines/PresentationFramework-ref.baseline.txt
@@ -40,8 +40,8 @@ CannotChangeAttribute : Attribute 'System.Windows.LocalizabilityAttribute' on 'S
 CannotChangeAttribute : Attribute 'System.Windows.LocalizabilityAttribute' on 'System.Windows.ResourceDictionary' changed from '[LocalizabilityAttribute(16)]' in the contract to '[LocalizabilityAttribute(LocalizationCategory.Ignore)]' in the implementation.
 CannotChangeAttribute : Attribute 'System.ComponentModel.DesignerSerializationVisibilityAttribute' on 'System.Windows.ResourceDictionary.DeferrableContent' changed from '[DesignerSerializationVisibilityAttribute(0)]' in the contract to '[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)]' in the implementation.
 CannotChangeAttribute : Attribute 'System.ComponentModel.DesignerSerializationVisibilityAttribute' on 'System.Windows.ResourceDictionary.Source' changed from '[DesignerSerializationVisibilityAttribute(0)]' in the contract to '[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)]' in the implementation.
+CannotRemoveAttribute : Attribute 'System.Windows.Markup.ContentPropertyAttribute' exists on 'System.Windows.Setter' in the contract but not the implementation.
 CannotChangeAttribute : Attribute 'System.Windows.LocalizabilityAttribute' on 'System.Windows.Setter.Property' changed from '[LocalizabilityAttribute(0, Modifiability=0, Readability=0)]' in the contract to '[LocalizabilityAttribute(LocalizationCategory.None, Modifiability=Modifiability.Unmodifiable, Readability=Readability.Unreadable)]' in the implementation.
-CannotRemoveAttribute : Attribute 'System.ComponentModel.DesignerSerializationVisibilityAttribute' exists on 'System.Windows.Setter.Value' in the contract but not the implementation.
 CannotChangeAttribute : Attribute 'System.Windows.LocalizabilityAttribute' on 'System.Windows.Setter.Value' changed from '[LocalizabilityAttribute(0, Readability=0)]' in the contract to '[LocalizabilityAttribute(LocalizationCategory.None, Readability=Readability.Unreadable)]' in the implementation.
 CannotChangeAttribute : Attribute 'System.Windows.LocalizabilityAttribute' on 'System.Windows.SetterBase' changed from '[LocalizabilityAttribute(16)]' in the contract to '[LocalizabilityAttribute(LocalizationCategory.Ignore)]' in the implementation.
 CannotChangeAttribute : Attribute 'System.Windows.LocalizabilityAttribute' on 'System.Windows.StaticResourceExtension' changed from '[LocalizabilityAttribute(17)]' in the contract to '[LocalizabilityAttribute(LocalizationCategory.NeverLocalize)]' in the implementation.
diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/Baml2006/WpfGeneratedKnownTypes.cs b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/Baml2006/WpfGeneratedKnownTypes.cs
index 987beeac7d7..0b2c324ad85 100644
--- a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/Baml2006/WpfGeneratedKnownTypes.cs
+++ b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/Baml2006/WpfGeneratedKnownTypes.cs
@@ -8844,7 +8844,6 @@ private WpfKnownType Create_BamlType_Setter(bool isBamlType, bool useV3Rules)
                                               typeof(System.Windows.Setter),
                                               isBamlType, useV3Rules);
             bamlType.DefaultConstructor = delegate() { return new System.Windows.Setter(); };
-            bamlType.ContentPropertyName = "Value";
             bamlType.Freeze();
             return bamlType;
         }
diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/KnownTypes.cs b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/KnownTypes.cs
index 37d78317e1d..cbd2d5bcd41 100644
--- a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/KnownTypes.cs
+++ b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/KnownTypes.cs
@@ -1107,8 +1107,7 @@ internal enum KnownProperties : short
         XmlDataProvider_XmlSerializer,
         MaxProperty,
         TextBox_IsReadOnly,
-        RichTextBox_IsReadOnly,
-        Setter_Value
+        RichTextBox_IsReadOnly
     }
 
 #if !BAMLDASM
@@ -2787,9 +2786,6 @@ internal static string GetContentPropertyName(KnownElements knownElement)
                 case KnownElements.ToolBarTray:
                     name = "ToolBars";
                     break;
-                case KnownElements.Setter:
-                    name = "Value";
-                    break;
                 case KnownElements.ControlTemplate:
                 case KnownElements.DataTemplate:
                 case KnownElements.FrameworkTemplate:
@@ -3680,10 +3676,6 @@ internal static short GetKnownPropertyAttributeId(KnownElements typeID, string f
                     if (string.Equals(fieldName, "XmlSerializer", StringComparison.Ordinal))
                         return (short)KnownProperties.XmlDataProvider_XmlSerializer;
                     break;
-                case KnownElements.Setter:
-                    if (string.Equals(fieldName, "Value", StringComparison.Ordinal))
-                        return (short)KnownProperties.Setter_Value;
-                    break;
             }
             return 0;
         }
diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/StyleXamlParser.cs b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/StyleXamlParser.cs
index 1ff895daaea..17a7c5f1671 100644
--- a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/StyleXamlParser.cs
+++ b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Markup/StyleXamlParser.cs
@@ -712,6 +712,14 @@ public override void WriteElementStart(XamlElementStartNode xamlElementStartNode
                     _inEventSetter = true;
 #endif
                 }
+                else if ((depth == 2 && _setterElementEncountered) ||
+                         (depth == 3 && _setterPropertyEncountered))
+                {
+                    ThrowException(nameof(SR.ParserNoSetterChild),
+                                   xamlElementStartNode.TypeFullName,
+                                   xamlElementStartNode.LineNumber,
+                                   xamlElementStartNode.LinePosition);
+                }
             }
 
             // Handle custom serializers within the style section by creating an instance
diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Setter.cs b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Setter.cs
index 12ac88c8fa5..789f5b838f9 100644
--- a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Setter.cs
+++ b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Setter.cs
@@ -161,7 +161,6 @@ public DependencyProperty Property
         /// </summary>
         [System.Windows.Markup.DependsOn("Property")]
         [System.Windows.Markup.DependsOn("TargetName")]
-        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
         [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)] // Not localizable by-default
         [TypeConverter(typeof(System.Windows.Markup.SetterTriggerConditionValueConverter))]
         public object Value
diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/ref/PresentationFramework.cs b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/ref/PresentationFramework.cs
index 378f9504d27..64ab8a64dc1 100644
--- a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/ref/PresentationFramework.cs
+++ b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/ref/PresentationFramework.cs
@@ -1149,7 +1149,6 @@ internal SessionEndingCancelEventArgs() { }
     public delegate void SessionEndingCancelEventHandler(object sender, System.Windows.SessionEndingCancelEventArgs e);
     [System.Windows.Markup.XamlSetMarkupExtensionAttribute("ReceiveMarkupExtension")]
     [System.Windows.Markup.XamlSetTypeConverterAttribute("ReceiveTypeConverter")]
-    [System.Windows.Markup.ContentPropertyAttribute("Value")]
     public partial class Setter : System.Windows.SetterBase, System.ComponentModel.ISupportInitialize
     {
         public Setter() { }