diff --git a/spring-beans/src/test/java/org/springframework/beans/factory/support/security/CallbacksSecurityTests.java b/spring-beans/src/test/java/org/springframework/beans/factory/support/security/CallbacksSecurityTests.java
index ea14f4c875..cac02472ca 100644
--- a/spring-beans/src/test/java/org/springframework/beans/factory/support/security/CallbacksSecurityTests.java
+++ b/spring-beans/src/test/java/org/springframework/beans/factory/support/security/CallbacksSecurityTests.java
@@ -314,14 +314,14 @@ public class CallbacksSecurityTests {
 		}
 
 		final CustomCallbackBean bean = new CustomCallbackBean();
-		final Method method = bean.getClass().getMethod("destroy", null);
+		final Method method = bean.getClass().getMethod("destroy");
 		method.setAccessible(true);
 
 		try {
 			AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
 
 				public Object run() throws Exception {
-					method.invoke(bean, null);
+					method.invoke(bean);
 					return null;
 				}
 			}, acc);
diff --git a/spring-context/src/main/java/org/springframework/validation/ValidationUtils.java b/spring-context/src/main/java/org/springframework/validation/ValidationUtils.java
index 07d14c681f..0e5004e5bd 100644
--- a/spring-context/src/main/java/org/springframework/validation/ValidationUtils.java
+++ b/spring-context/src/main/java/org/springframework/validation/ValidationUtils.java
@@ -52,7 +52,7 @@ public abstract class ValidationUtils {
 	 * the validation of the supplied object's type
 	 */
 	public static void invokeValidator(Validator validator, Object obj, Errors errors) {
-		invokeValidator(validator, obj, errors, (Class[]) null);
+		invokeValidator(validator, obj, errors, (Object[]) null);
 	}
 
 	/**
diff --git a/spring-context/src/test/java/org/springframework/jmx/export/assembler/MethodExclusionMBeanInfoAssemblerTests.java b/spring-context/src/test/java/org/springframework/jmx/export/assembler/MethodExclusionMBeanInfoAssemblerTests.java
index 3363f4f585..2370488f80 100644
--- a/spring-context/src/test/java/org/springframework/jmx/export/assembler/MethodExclusionMBeanInfoAssemblerTests.java
+++ b/spring-context/src/test/java/org/springframework/jmx/export/assembler/MethodExclusionMBeanInfoAssemblerTests.java
@@ -72,7 +72,7 @@ public class MethodExclusionMBeanInfoAssemblerTests extends AbstractJmxAssembler
 		Properties ignored = new Properties();
 		ignored.setProperty(beanKey, "dontExposeMe,setSuperman");
 		assembler.setIgnoredMethodMappings(ignored);
-		Method method = JmxTestBean.class.getMethod("dontExposeMe", null);
+		Method method = JmxTestBean.class.getMethod("dontExposeMe");
 		assertFalse(assembler.isNotIgnored(method, beanKey));
 		// this bean does not have any ignored methods on it, so must obviously not be ignored...
 		assertTrue(assembler.isNotIgnored(method, "someOtherBeanKey"));
diff --git a/spring-core/src/test/java/org/springframework/core/LocalVariableTableParameterNameDiscovererTests.java b/spring-core/src/test/java/org/springframework/core/LocalVariableTableParameterNameDiscovererTests.java
index b346e6176b..da27d69e71 100644
--- a/spring-core/src/test/java/org/springframework/core/LocalVariableTableParameterNameDiscovererTests.java
+++ b/spring-core/src/test/java/org/springframework/core/LocalVariableTableParameterNameDiscovererTests.java
@@ -185,7 +185,7 @@ public class LocalVariableTableParameterNameDiscovererTests extends TestCase {
 		assertEquals("x", names[1]);
 		assertEquals("i", names[2]);
 
-		m = clazz.getMethod("getDate", null);
+		m = clazz.getMethod("getDate");
 		names = discoverer.getParameterNames(m);
 		assertEquals(0, names.length);
 
@@ -202,7 +202,7 @@ public class LocalVariableTableParameterNameDiscovererTests extends TestCase {
 		Class clazz = Component.class;
 		String methodName = "list";
 
-		Method m = clazz.getMethod(methodName, null);
+		Method m = clazz.getMethod(methodName);
 		String[] names = discoverer.getParameterNames(m);
 		assertNull(names);
 
diff --git a/spring-core/src/test/java/org/springframework/core/style/ToStringCreatorTests.java b/spring-core/src/test/java/org/springframework/core/style/ToStringCreatorTests.java
index 928486b396..f8db4e7fd9 100644
--- a/spring-core/src/test/java/org/springframework/core/style/ToStringCreatorTests.java
+++ b/spring-core/src/test/java/org/springframework/core/style/ToStringCreatorTests.java
@@ -111,7 +111,7 @@ public class ToStringCreatorTests extends TestCase {
 	}
 
 	public void testMethod() throws Exception {
-		String str = new ToStringCreator(this).append("myMethod", this.getClass().getMethod("testMethod", null))
+		String str = new ToStringCreator(this).append("myMethod", this.getClass().getMethod("testMethod"))
 				.toString();
 		assertEquals("[ToStringCreatorTests@" + ObjectUtils.getIdentityHexString(this)
 				+ " myMethod = testMethod@ToStringCreatorTests]", str);
diff --git a/spring-core/src/test/java/org/springframework/util/ClassUtilsTests.java b/spring-core/src/test/java/org/springframework/util/ClassUtilsTests.java
index 64a24084ba..8b7fdff79a 100644
--- a/spring-core/src/test/java/org/springframework/util/ClassUtilsTests.java
+++ b/spring-core/src/test/java/org/springframework/util/ClassUtilsTests.java
@@ -171,14 +171,14 @@ public class ClassUtilsTests extends TestCase {
 	}
 
 	public void testHasMethod() throws Exception {
-		assertTrue(ClassUtils.hasMethod(Collection.class, "size", null));
-		assertTrue(ClassUtils.hasMethod(Collection.class, "remove", new Class[] {Object.class}));
-		assertFalse(ClassUtils.hasMethod(Collection.class, "remove", null));
-		assertFalse(ClassUtils.hasMethod(Collection.class, "someOtherMethod", null));
+		assertTrue(ClassUtils.hasMethod(Collection.class, "size"));
+		assertTrue(ClassUtils.hasMethod(Collection.class, "remove", Object.class));
+		assertFalse(ClassUtils.hasMethod(Collection.class, "remove"));
+		assertFalse(ClassUtils.hasMethod(Collection.class, "someOtherMethod"));
 	}
 
 	public void testGetMethodIfAvailable() throws Exception {
-		Method method = ClassUtils.getMethodIfAvailable(Collection.class, "size", null);
+		Method method = ClassUtils.getMethodIfAvailable(Collection.class, "size");
 		assertNotNull(method);
 		assertEquals("size", method.getName());
 
@@ -186,8 +186,8 @@ public class ClassUtilsTests extends TestCase {
 		assertNotNull(method);
 		assertEquals("remove", method.getName());
 
-		assertNull(ClassUtils.getMethodIfAvailable(Collection.class, "remove", null));
-		assertNull(ClassUtils.getMethodIfAvailable(Collection.class, "someOtherMethod", null));
+		assertNull(ClassUtils.getMethodIfAvailable(Collection.class, "remove"));
+		assertNull(ClassUtils.getMethodIfAvailable(Collection.class, "someOtherMethod"));
 	}
 
 	public void testGetMethodCountForName() {