diff --git a/spring-aop/src/main/java/org/springframework/aop/framework/ReflectiveMethodInvocation.java b/spring-aop/src/main/java/org/springframework/aop/framework/ReflectiveMethodInvocation.java
index 0eef701a932f..1db34223cb41 100644
--- a/spring-aop/src/main/java/org/springframework/aop/framework/ReflectiveMethodInvocation.java
+++ b/spring-aop/src/main/java/org/springframework/aop/framework/ReflectiveMethodInvocation.java
@@ -212,8 +212,7 @@ public MethodInvocation invocableClone() {
 		Object[] cloneArguments = this.arguments;
 		if (this.arguments.length > 0) {
 			// Build an independent copy of the arguments array.
-			cloneArguments = new Object[this.arguments.length];
-			System.arraycopy(this.arguments, 0, cloneArguments, 0, this.arguments.length);
+			cloneArguments = this.arguments.clone();
 		}
 		return invocableClone(cloneArguments);
 	}
diff --git a/spring-context-support/src/main/java/org/springframework/mail/SimpleMailMessage.java b/spring-context-support/src/main/java/org/springframework/mail/SimpleMailMessage.java
index 303836769542..95268a2993e0 100644
--- a/spring-context-support/src/main/java/org/springframework/mail/SimpleMailMessage.java
+++ b/spring-context-support/src/main/java/org/springframework/mail/SimpleMailMessage.java
@@ -276,9 +276,7 @@ private static String[] copyOrNull(@Nullable String[] state) {
 	}
 
 	private static String[] copy(String[] state) {
-		String[] copy = new String[state.length];
-		System.arraycopy(state, 0, copy, 0, state.length);
-		return copy;
+		return state.clone();
 	}
 
 }
diff --git a/spring-context/src/main/java/org/springframework/cache/interceptor/SimpleKey.java b/spring-context/src/main/java/org/springframework/cache/interceptor/SimpleKey.java
index 3cc0474db74c..da97487d4a4d 100644
--- a/spring-context/src/main/java/org/springframework/cache/interceptor/SimpleKey.java
+++ b/spring-context/src/main/java/org/springframework/cache/interceptor/SimpleKey.java
@@ -48,8 +48,7 @@ public class SimpleKey implements Serializable {
 	 */
 	public SimpleKey(Object... elements) {
 		Assert.notNull(elements, "Elements must not be null");
-		this.params = new Object[elements.length];
-		System.arraycopy(elements, 0, this.params, 0, elements.length);
+		this.params = elements.clone();
 		this.hashCode = Arrays.deepHashCode(this.params);
 	}
 
diff --git a/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java b/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java
index 9507fb3ed021..f8e484fae718 100644
--- a/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java
+++ b/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java
@@ -206,9 +206,7 @@ public byte[] toByteArrayUnsafe() {
 	 */
 	public byte[] toByteArray() {
 		byte[] bytesUnsafe = toByteArrayUnsafe();
-		byte[] ret = new byte[bytesUnsafe.length];
-		System.arraycopy(bytesUnsafe, 0, ret, 0, bytesUnsafe.length);
-		return ret;
+		return bytesUnsafe.clone();
 	}
 
 	/**