Delete unnecessary ifdef (#15940)

2 files changed, 2 insertions, 22 deletions

diff --git a/src/System.Runtime.Serialization.Formatters/src/System.Runtime.Serialization.Formatters.csproj b/src/System.Runtime.Serialization.Formatters/src/System.Runtime.Serialization.Formatters.csproj
index 342bb8af86..123507c561 100644
--- a/src/System.Runtime.Serialization.Formatters/src/System.Runtime.Serialization.Formatters.csproj
+++ b/src/System.Runtime.Serialization.Formatters/src/System.Runtime.Serialization.Formatters.csproj
@@ -5,7 +5,6 @@
     <ProjectGuid>{CF80D24A-787A-43DB-B9E7-10BCA02D10EA}</ProjectGuid>
     <AssemblyName>System.Runtime.Serialization.Formatters</AssemblyName>
     <RootNamespace>System.Runtime.Serialization.Formatters</RootNamespace>
-    <DefineConstants Condition="'$(TargetGroup)' == 'netcoreapp'">$(DefineConstants);netcoreapp11</DefineConstants>
   </PropertyGroup>
   <!-- Default configurations to help VS understand the configurations -->
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='netcoreapp-Debug|AnyCPU'" />
diff --git a/src/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/FormatterServices.cs b/src/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/FormatterServices.cs
index 2b59de0b5d..352b943879 100644
--- a/src/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/FormatterServices.cs
+++ b/src/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/FormatterServices.cs
@@ -67,28 +67,9 @@ namespace System.Runtime.Serialization
             // nop
         }
 
-#if !netcoreapp11
-        private static readonly Func<Type, object> s_getUninitializedObjectDelegate = (Func<Type, object>)
-            typeof(string).Assembly
-            .GetType("System.Runtime.Serialization.FormatterServices")
-            .GetMethod("GetUninitializedObject", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static)
-            .CreateDelegate(typeof(Func<Type, object>));
-#endif // netcoreapp11
-
-        public static object GetUninitializedObject(Type type)
-        {
-            if (type == null)
-            {
-                throw new ArgumentNullException(nameof(type));
-            }
-#if netcoreapp11
-            return RuntimeHelpers.GetUninitializedObject(type);
-#else
-            return s_getUninitializedObjectDelegate(type);
-#endif // netcoreapp11
-        }
+        public static object GetUninitializedObject(Type type) => RuntimeHelpers.GetUninitializedObject(type);
 
-        public static object GetSafeUninitializedObject(Type type) => GetUninitializedObject(type);
+        public static object GetSafeUninitializedObject(Type type) => RuntimeHelpers.GetUninitializedObject(type);
 
         internal static void SerializationSetValue(MemberInfo fi, object target, object value)
         {