diff --git a/src/type/definition.js b/src/type/definition.js
index 6986783723..82b7b0bbd8 100644
--- a/src/type/definition.js
+++ b/src/type/definition.js
@@ -791,7 +791,6 @@ function defineFieldMap<TSource, TContext>(
     }));
 
     return {
-      ...fieldConfig,
       name: fieldName,
       description: fieldConfig.description,
       type: fieldConfig.type,
@@ -1424,7 +1423,6 @@ function defineInputFieldMap(
     );
 
     return {
-      ...fieldConfig,
       name: fieldName,
       description: fieldConfig.description,
       type: fieldConfig.type,