diff --git a/gson/src/main/java/com/google/gson/internal/bind/DefaultDateTypeAdapter.java b/gson/src/main/java/com/google/gson/internal/bind/DefaultDateTypeAdapter.java
index 4719ea1548..9e578bf448 100644
--- a/gson/src/main/java/com/google/gson/internal/bind/DefaultDateTypeAdapter.java
+++ b/gson/src/main/java/com/google/gson/internal/bind/DefaultDateTypeAdapter.java
@@ -62,7 +62,7 @@ protected DateType(Class<T> dateClass) {
 
     protected abstract T deserialize(Date date);
 
-    private final TypeAdapterFactory createFactory(DefaultDateTypeAdapter<T> adapter) {
+    private TypeAdapterFactory createFactory(DefaultDateTypeAdapter<T> adapter) {
       return TypeAdapters.newFactory(dateClass, adapter);
     }