security/subsystem/src/main/java/org/jboss/as/security/vault/VaultSession.java
public boolean removeSecuredAttribute(String vaultBlock, String attributeName) throws Exception {
        return vault.remove(vaultBlock, attributeName, null);
    }
public boolean removeSecuredAttribute(String vaultBlock, String attributeName) throws Exception {
        return vault.remove(vaultBlock, attributeName, null);
    }
This method removes secured attribute stored in {@link SecurityVault}.
After successful remove operation returns true. Otherwise false.

@param vaultBlock security vault block
@param attributeName Attribute name stored in security vault
@return true is operation is successful, otherwise false
@throws Exception