diff --git a/src/libraries/Common/src/System/Number.Formatting.Common.cs b/src/libraries/Common/src/System/Number.Formatting.Common.cs
deleted file mode 100644
index 19a8ceff94a77..0000000000000
--- a/src/libraries/Common/src/System/Number.Formatting.Common.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-namespace System
-{
-
-}
diff --git a/src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems b/src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems
index 8f49c354244f5..6f3897de1abff 100644
--- a/src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems
+++ b/src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems
@@ -1332,9 +1332,6 @@
     <Compile Include="$(CommonPath)System\NotImplemented.cs">
       <Link>Common\System\NotImplemented.cs</Link>
     </Compile>
-    <Compile Include="$(CommonPath)System\Number.Formatting.Common.cs">
-      <Link>System\Number.Formatting.Common.cs</Link>
-    </Compile>
     <Compile Include="$(CommonPath)System\Number.NumberBuffer.cs">
       <Link>System\Number.NumberBuffer.cs</Link>
     </Compile>
diff --git a/src/libraries/System.Runtime.Numerics/src/System.Runtime.Numerics.csproj b/src/libraries/System.Runtime.Numerics/src/System.Runtime.Numerics.csproj
index 4956f67d19be4..becec417bb710 100644
--- a/src/libraries/System.Runtime.Numerics/src/System.Runtime.Numerics.csproj
+++ b/src/libraries/System.Runtime.Numerics/src/System.Runtime.Numerics.csproj
@@ -27,8 +27,6 @@
              Link="CoreLib\System\Text\ValueStringBuilder.cs" />
     <Compile Include="$(CommonPath)System\HexConverter.cs"
              Link="Common\System\HexConverter.cs" />
-    <Compile Include="$(CommonPath)System\Number.Formatting.Common.cs"
-             Link="Common\System\Number.Formatting.Common.cs" />
     <Compile Include="$(CommonPath)System\Number.NumberBuffer.cs"
              Link="Common\System\Number.NumberBuffer.cs" />
     <Compile Include="$(CommonPath)System\Number.Parsing.Common.cs"