diff --git a/src/config.cpp b/src/config.cpp
index 0dbcb77c..bc450241 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -256,7 +256,6 @@ Config::Config()
     _map["auto_cache"] =
     _map["big_writes"] =
     _map["cache.open"] =
-    _map["defaults"] =
     _map["direct_io"] =
     _map["hard_remove"] =
     _map["kernel_cache"] =