diff --git a/gerrit-gwtui/BUCK b/gerrit-gwtui/BUCK
index 2105e06aee..2b64cac8c5 100644
--- a/gerrit-gwtui/BUCK
+++ b/gerrit-gwtui/BUCK
@@ -28,8 +28,6 @@ genrule(
 gwt_binary(
   name = 'ui_opt',
   modules = [MODULE],
-  style = 'OBF',
-  optimize = 9,
   module_deps = [':ui_module'],
   deps = DEPS + ['//lib/gwt:dev', ':ui_dbg'],
   local_workers = cpu_count(),
diff --git a/tools/default.defs b/tools/default.defs
index 606c3569c0..031d058de8 100644
--- a/tools/default.defs
+++ b/tools/default.defs
@@ -126,8 +126,6 @@ def gerrit_plugin(
     gwt_binary(
       name = name + '__gwt_application',
       modules = [gwt_module],
-      style = 'OBF',
-      optimize = 9,
       deps = [':%s__plugin' % name] + gwt_deps,
       local_workers = cpu_count(),
       strict = True,