diff --git a/src/coreclr/src/inc/corinfo.h b/src/coreclr/src/inc/corinfo.h
index eb5d1a1dd97d8..6eb857cde3272 100644
--- a/src/coreclr/src/inc/corinfo.h
+++ b/src/coreclr/src/inc/corinfo.h
@@ -751,8 +751,7 @@ enum CorInfoUnmanagedCallConv
     CORINFO_UNMANAGED_CALLCONV_C,
     CORINFO_UNMANAGED_CALLCONV_STDCALL,
     CORINFO_UNMANAGED_CALLCONV_THISCALL,
-    CORINFO_UNMANAGED_CALLCONV_FASTCALL,
-    CORINFO_UNMANAGED_CALLCONV_UNMANAGED = CORINFO_CALLCONV_UNMANAGED,
+    CORINFO_UNMANAGED_CALLCONV_FASTCALL
 };
 
 // These are returned from getMethodOptions