diff --git a/interface/include/tfm_api.h b/interface/include/tfm_api.h
index efe24e9..fea137a 100644
--- a/interface/include/tfm_api.h
+++ b/interface/include/tfm_api.h
@@ -45,13 +45,13 @@
 enum tfm_status_e
 {
     TFM_SUCCESS = 0,
-    TFM_PARTITION_PENDED,
     TFM_PARTITION_BUSY,
-    TFM_ERROR_PARTITION_ALREADY_PENDED,
     TFM_ERROR_SECURE_DOMAIN_LOCKED,
     TFM_ERROR_INVALID_PARAMETER,
     TFM_ERROR_PARTITION_NON_REENTRANT,
     TFM_ERROR_NS_THREAD_MODE_CALL,
+    TFM_ERROR_NOT_INITIALIZED,
+    TFM_ERROR_NO_ACTIVE_PARTITION,
     TFM_ERROR_INVALID_EXC_MODE,
     TFM_SECURE_LOCK_FAILED,
     TFM_SECURE_UNLOCK_FAILED,