diff --git a/tools/api-checker/config/gwt15_16userApi.conf b/tools/api-checker/config/gwt15_16userApi.conf
index e6b21e1..bce3093 100644
--- a/tools/api-checker/config/gwt15_16userApi.conf
+++ b/tools/api-checker/config/gwt15_16userApi.conf
@@ -77,6 +77,7 @@
 :user/src/com/google/gwt/resources/rebind\
 :user/src/com/google/gwt/resources/rg\
 :user/src/com/google/gwt/user/client/rpc/core/java/util/LinkedHashMap_CustomFieldSerializer.java\
+:user/src/com/google/gwt/user/linker\
 :user/src/com/google/gwt/user/rebind\
 :user/src/com/google/gwt/user/server\
 :user/src/com/google/gwt/user/tools\