diff --git a/cfg/microsoft_sal.cfg b/cfg/microsoft_sal.cfg
index 842c1e0f7..847eaff93 100644
--- a/cfg/microsoft_sal.cfg
+++ b/cfg/microsoft_sal.cfg
@@ -114,7 +114,6 @@
   <define name="_Deref_in_range_(low, hi)" value=""/>
   <define name="_Deref_out_range_(low, hi)" value=""/>
   <define name="_Deref_ret_range_(low, hi)" value=""/>
-  <define name="_Field_range_(low, hi)" value=""/>
   <define name="_Pre_equal_to_(expr)" value=""/>
   <define name="_Post_equal_to_(expr)" value=""/>
   <define name="_Struct_size_bytes_(size)" value=""/>