diff --git a/gson/src/test/java/com/google/gson/PrimitiveTypeAdapter.java b/gson/src/test/java/com/google/gson/PrimitiveTypeAdapter.java
index 1734415f..871ed6fa 100644
--- a/gson/src/test/java/com/google/gson/PrimitiveTypeAdapter.java
+++ b/gson/src/test/java/com/google/gson/PrimitiveTypeAdapter.java
@@ -31,7 +31,7 @@ import com.google.gson.Primitives;
  */
 final class PrimitiveTypeAdapter {
 
-  @SuppressWarnings( { "unchecked" })
+  @SuppressWarnings("unchecked")
   public <T> T adaptType(Object from, Class<T> to) {
     Class<?> aClass = Primitives.wrap(to);
     if (Primitives.isWrapperType(aClass)) {
diff --git a/gson/src/test/java/com/google/gson/functional/MapTest.java b/gson/src/test/java/com/google/gson/functional/MapTest.java
index c8c72d6b..aee92b6a 100755
--- a/gson/src/test/java/com/google/gson/functional/MapTest.java
+++ b/gson/src/test/java/com/google/gson/functional/MapTest.java
@@ -100,6 +100,8 @@ public class MapTest extends TestCase {
   }
 
   private static class MyParameterizedMap<K, V> extends LinkedHashMap<K, V> {
+    private static final long serialVersionUID = 1L;
+
     int foo = 10;
   }
   
@@ -123,6 +125,8 @@ public class MapTest extends TestCase {
   }
   
   private static class MyMap extends LinkedHashMap<String, String> {
+    private static final long serialVersionUID = 1L;
+
     int foo = 10;
   }
 }