Simplification should remove parentheses around the expression of an expression-bodied member

src/EditorFeatures/Test2/Simplification/ParenthesisSimplificationTests.vb

@@ -1185,6 +1185,58 @@ class Program
         int i = (x?.Count).GetValueOrDefault();
     }
 }
+</code>
+
+            Await TestAsync(input, expected)
+        End Function
+
+        <WorkItem(12600, "https://github.com/dotnet/roslyn/issues/12600")>
+        <Fact, Trait(Traits.Feature, Traits.Features.Simplification)>
+        Public Async Function TestCSharp_RemoveParensInExpressionBodiedProperty() As Task
+            Dim input =
+<Workspace>
+    <Project Language="C#" CommonReferences="true">
+        <Document>
+class C
+{
+    object Value => {|Simplify:(new object())|};
+}
+        </Document>
+    </Project>
+</Workspace>
+
+            Dim expected =
+<code>
+class C
+{
+    object Value => new object();
+}
+</code>
+
+            Await TestAsync(input, expected)
+        End Function
+
+        <WorkItem(12600, "https://github.com/dotnet/roslyn/issues/12600")>
+        <Fact, Trait(Traits.Feature, Traits.Features.Simplification)>
+        Public Async Function TestCSharp_RemoveParensInExpressionBodiedMethod() As Task
+            Dim input =
+<Workspace>
+    <Project Language="C#" CommonReferences="true">
+        <Document>
+class C
+{
+    object GetValue() => {|Simplify:(new object())|};
+}
+        </Document>
+    </Project>
+</Workspace>
+
+            Dim expected =
+<code>
+class C
+{
+    object GetValue() => new object();
+}
 </code>
 
             Await TestAsync(input, expected)

src/Workspaces/CSharp/Portable/Extensions/ParenthesizedExpressionSyntaxExtensions.cs

@@ -29,6 +29,12 @@ public static bool CanRemoveParentheses(this ParenthesizedExpressionSyntax node,
                 return true;
             }
 
+            // int Prop => (x); -> int Prop => x;
+            if (node.Parent is ArrowExpressionClauseSyntax arrowExpressionClause && arrowExpressionClause.Expression == node)
+            {
+                return true;
+            }
+
             // Don't change (x?.Count).GetValueOrDefault() to x?.Count.GetValueOrDefault()
             if (expression.IsKind(SyntaxKind.ConditionalAccessExpression) && parentExpression is MemberAccessExpressionSyntax)
             {