diff --git a/smithy-typescript-codegen-test/smithy-build.json b/smithy-typescript-codegen-test/smithy-build.json
index 2b4c02f5147..43d00c34209 100644
--- a/smithy-typescript-codegen-test/smithy-build.json
+++ b/smithy-typescript-codegen-test/smithy-build.json
@@ -8,8 +8,7 @@
             "packageVersion": "0.0.1",
             "packageJson": {
                 "license": "Apache-2.0"
-            },
-            "requiredMemberMode": "strict"
+            }
         }
     }
 }