Flush Shared Pool and Buffer Cache

SQL> ALTER PACKAGE FND_SSO_REGISTRATION COMPILE SPECIFICATION;
Package altered.

SQL> ALTER PACKAGE FND_SSO_REGISTRATION COMPILE BODY;
Package body altered.

SQL> ALTER PACKAGE FND_LDAP_WRAPPER COMPILE SPECIFICATION;
Package altered.

SQL> ALTER PACKAGE FND_LDAP_WRAPPER COMPILE BODY;
Package body altered.

SQL> show user;
USER is "SYS"

SQL> alter system flush buffer_cache;
System altered.

SQL> alter system flush shared_pool;
System altered.