diff --git a/src/test/org/apache/commons/lang/CharRangeTest.java b/src/test/org/apache/commons/lang/CharRangeTest.java
index 5807d1b04..7af42b02c 100644
--- a/src/test/org/apache/commons/lang/CharRangeTest.java
+++ b/src/test/org/apache/commons/lang/CharRangeTest.java
@@ -356,6 +356,7 @@ public void testContains_Charrange() {
     public void testContainsNullArg() {
         CharRange range = new CharRange('a');
         try {
+            @SuppressWarnings("unused")
             boolean contains = range.contains(null);
         } catch(IllegalArgumentException e) {
             assertEquals("The Range must not be null", e.getMessage());
diff --git a/src/test/org/apache/commons/lang/StringUtilsTest.java b/src/test/org/apache/commons/lang/StringUtilsTest.java
index 6dc11ae66..465d2ab51 100644
--- a/src/test/org/apache/commons/lang/StringUtilsTest.java
+++ b/src/test/org/apache/commons/lang/StringUtilsTest.java
@@ -1651,12 +1651,14 @@ public void testGetLevenshteinDistance_StringString() {
         assertEquals(8, StringUtils.getLevenshteinDistance("zzzzzzzz", "hippo") );
         assertEquals(1, StringUtils.getLevenshteinDistance("hello", "hallo") );
         try {
+            @SuppressWarnings("unused")
             int d = StringUtils.getLevenshteinDistance("a", null);
             fail("expecting IllegalArgumentException");
         } catch (IllegalArgumentException ex) {
             // empty
         }
         try {
+            @SuppressWarnings("unused")
             int d = StringUtils.getLevenshteinDistance(null, "a");
             fail("expecting IllegalArgumentException");
         } catch (IllegalArgumentException ex) {
diff --git a/src/test/org/apache/commons/lang/builder/EqualsBuilderTest.java b/src/test/org/apache/commons/lang/builder/EqualsBuilderTest.java
index 141750e9c..1bcf69520 100644
--- a/src/test/org/apache/commons/lang/builder/EqualsBuilderTest.java
+++ b/src/test/org/apache/commons/lang/builder/EqualsBuilderTest.java
@@ -126,6 +126,7 @@ public TestEmptySubObject(int a) {
     }
 
     static class TestTSubObject extends TestObject {
+        @SuppressWarnings("unused")
         private transient int t;
         public TestTSubObject(int a, int t) {
             super(a);
@@ -134,6 +135,7 @@ public TestTSubObject(int a, int t) {
     }
 
     static class TestTTSubObject extends TestTSubObject {
+        @SuppressWarnings("unused")
         private transient int tt;
         public TestTTSubObject(int a, int t, int tt) {
             super(a, t);
@@ -142,6 +144,7 @@ public TestTTSubObject(int a, int t, int tt) {
     }
 
     static class TestTTLeafObject extends TestTTSubObject {
+        @SuppressWarnings("unused")
         private int leafValue;
         public TestTTLeafObject(int a, int t, int tt, int leafValue) {
             super(a, t, tt);
@@ -998,8 +1001,11 @@ public void testReflectionEqualsExcludeFields() throws Exception {
     }
 
     static class TestObjectWithMultipleFields {
+        @SuppressWarnings("unused")
         private TestObject one;
+        @SuppressWarnings("unused")
         private TestObject two;
+        @SuppressWarnings("unused")
         private TestObject three;
 
         public TestObjectWithMultipleFields(int one, int two, int three) {
diff --git a/src/test/org/apache/commons/lang/builder/ReflectionToStringBuilderExcludeTest.java b/src/test/org/apache/commons/lang/builder/ReflectionToStringBuilderExcludeTest.java
index 27970bcc9..4d7bbad1b 100644
--- a/src/test/org/apache/commons/lang/builder/ReflectionToStringBuilderExcludeTest.java
+++ b/src/test/org/apache/commons/lang/builder/ReflectionToStringBuilderExcludeTest.java
@@ -33,8 +33,10 @@
 public class ReflectionToStringBuilderExcludeTest extends TestCase {
 
     class TestFixture {
+        @SuppressWarnings("unused")
         private String secretField = SECRET_VALUE;
 
+        @SuppressWarnings("unused")
         private String showField = NOT_SECRET_VALUE;
     }
 
diff --git a/src/test/org/apache/commons/lang/exception/AbstractNestableTest.java b/src/test/org/apache/commons/lang/exception/AbstractNestableTest.java
index bdf4c535d..25de08664 100644
--- a/src/test/org/apache/commons/lang/exception/AbstractNestableTest.java
+++ b/src/test/org/apache/commons/lang/exception/AbstractNestableTest.java
@@ -169,6 +169,7 @@ public void testGetMessageI()
         // Test for index out of bounds
         try
         {
+            @SuppressWarnings("unused")
             String msg = ne.getMessage(-1);
             fail("getMessage(-1) should have thrown IndexOutOfBoundsException");
         }
@@ -177,6 +178,7 @@ public void testGetMessageI()
         }
         try
         {
+            @SuppressWarnings("unused")
             String msg = ne.getMessage(msgs.length + 100);
             fail("getMessage(999) should have thrown IndexOutOfBoundsException");
         }
@@ -429,6 +431,7 @@ public void testIndexOfThrowableI()
         // Test for index out of bounds
         try
         {
+            @SuppressWarnings("unused")
             int index = n.indexOfThrowable(getTester1Class(), -1);
             fail("method should have thrown IndexOutOfBoundsException");
         }
@@ -437,6 +440,7 @@ public void testIndexOfThrowableI()
         }
         try
         {
+            @SuppressWarnings("unused")
             int index = n.indexOfThrowable(getTester1Class(), 5);
             fail("method should have thrown IndexOutOfBoundsException");
         }