diff --git a/user/src/com/google/gwt/user/rebind/rpc/SerializableTypeOracleBuilder.java b/user/src/com/google/gwt/user/rebind/rpc/SerializableTypeOracleBuilder.java
index fd93a86..0117e58 100644
--- a/user/src/com/google/gwt/user/rebind/rpc/SerializableTypeOracleBuilder.java
+++ b/user/src/com/google/gwt/user/rebind/rpc/SerializableTypeOracleBuilder.java
@@ -1011,7 +1011,7 @@
         }
       } else if (classType.isRawType() != null) {
         TreeLogger rawTypeLogger = logger.branch(
-            TreeLogger.INFO,
+            TreeLogger.DEBUG,
             "Type '"
                 + classType.getQualifiedSourceName()
                 + "' should be parameterized to help the compiler produce the smallest code size possible for your module.",