Cleanup redundant type casts

acl/src/main/java/org/springframework/security/acls/jdbc/BasicLookupStrategy.java

@@ -455,7 +455,7 @@ public class BasicLookupStrategy implements LookupStrategy {
 
 		// Now we have the parent (if there is one), create the true AclImpl
 		AclImpl result = new AclImpl(inputAcl.getObjectIdentity(),
-				(Long) inputAcl.getId(), aclAuthorizationStrategy, grantingStrategy,
+				inputAcl.getId(), aclAuthorizationStrategy, grantingStrategy,
 				parent, null, inputAcl.isEntriesInheriting(), inputAcl.getOwner());
 
 		// Copy the "aces" from the input to the destination

acl/src/main/java/org/springframework/security/acls/jdbc/JdbcAclService.java

@@ -118,7 +118,7 @@ public class JdbcAclService implements AclService {
 		Assert.isTrue(map.containsKey(object),
 				() -> "There should have been an Acl entry for ObjectIdentity " + object);
 
-		return (Acl) map.get(object);
+		return map.get(object);
 	}
 
 	public Acl readAclById(ObjectIdentity object) throws NotFoundException {