diff --git a/src/coreclr/System.Private.CoreLib/src/System/RuntimeType.CoreCLR.cs b/src/coreclr/System.Private.CoreLib/src/System/RuntimeType.CoreCLR.cs
index e9fddd436b3d3..d0c77aeeb9dbb 100644
--- a/src/coreclr/System.Private.CoreLib/src/System/RuntimeType.CoreCLR.cs
+++ b/src/coreclr/System.Private.CoreLib/src/System/RuntimeType.CoreCLR.cs
@@ -2046,11 +2046,7 @@ private static void SplitName(string? fullname, out string? name, out string? ns
             if (nsDelimiter >= 0)
             {
                 ns = fullname.Substring(0, nsDelimiter);
-                int nameLength = fullname.Length - ns.Length - 1;
-                if (nameLength != 0)
-                    name = fullname.Substring(nsDelimiter + 1, nameLength);
-                else
-                    name = "";
+                name = fullname.Substring(nsDelimiter + 1);
                 Debug.Assert(fullname.Equals(ns + "." + name));
             }
             else