Unnecessary @SuppressWarnings("unchecked")

src/main/java/org/apache/commons/lang3/tuple/ImmutableTriple.java

@@ -80,7 +80,6 @@ public final class ImmutableTriple<L, M, R> extends Triple<L, M, R> {
      * @return an immutable triple of nulls.
      * @since 3.6
      */
-    @SuppressWarnings("unchecked")
     public static <L, M, R> ImmutableTriple<L, M, R> nullTriple() {
         return NULL;
     }

src/test/java/org/apache/commons/lang3/tuple/ImmutablePairTest.java

@@ -193,7 +193,6 @@ public class ImmutablePairTest {
     }
 
     @Test
-    @SuppressWarnings("unchecked")
     public void testSerialization() throws Exception {
         final ImmutablePair<Integer, String> origPair = ImmutablePair.of(0, "foo");
         final ImmutablePair<Integer, String> deserializedPair = SerializationUtils.roundtrip(origPair);

src/test/java/org/apache/commons/lang3/tuple/ImmutableTripleTest.java

@@ -131,7 +131,6 @@ public class ImmutableTripleTest {
     }
 
     @Test
-    @SuppressWarnings("unchecked")
     public void testSerialization() throws Exception {
         final ImmutableTriple<Integer, String, Boolean> origTriple = ImmutableTriple.of(0, "foo", Boolean.TRUE);
         final ImmutableTriple<Integer, String, Boolean> deserializedTriple = SerializationUtils.roundtrip(origTriple);

src/test/java/org/apache/commons/lang3/tuple/MutableTripleTest.java

@@ -105,7 +105,6 @@ public class MutableTripleTest {
     }
 
     @Test
-    @SuppressWarnings("unchecked")
     public void testSerialization() throws Exception {
         final MutableTriple<Integer, String, Boolean> origTriple = MutableTriple.of(0, "foo", Boolean.TRUE);
         final MutableTriple<Integer, String, Boolean> deserializedTriple = SerializationUtils.roundtrip(origTriple);