diff --git a/src/System.Memory/dir.props b/src/System.Memory/dir.props
index 8714c4b9a391..86aacdb93164 100644
--- a/src/System.Memory/dir.props
+++ b/src/System.Memory/dir.props
@@ -3,6 +3,5 @@
   <Import Project="..\dir.props" />
   <PropertyGroup>
     <AssemblyVersion>4.0.0.0</AssemblyVersion>
-    <IsNETCoreApp>true</IsNETCoreApp>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/src/System.Runtime.CompilerServices.Unsafe/dir.props b/src/System.Runtime.CompilerServices.Unsafe/dir.props
index 14527fd4b312..16a766f83bb5 100644
--- a/src/System.Runtime.CompilerServices.Unsafe/dir.props
+++ b/src/System.Runtime.CompilerServices.Unsafe/dir.props
@@ -3,6 +3,5 @@
   <Import Project="..\dir.props" />
   <PropertyGroup>
     <AssemblyVersion>4.0.3.0</AssemblyVersion>
-    <IsNETCoreApp>true</IsNETCoreApp>
   </PropertyGroup>
 </Project>
\ No newline at end of file