diff --git a/docs/src/cfe_api.dox b/docs/src/cfe_api.dox
index cfeafb50b..6d0cd4bdc 100644
--- a/docs/src/cfe_api.dox
+++ b/docs/src/cfe_api.dox
@@ -165,11 +165,6 @@
       <LI> #CFE_MSG_GetTypeFromMsgId - \copybrief CFE_MSG_GetTypeFromMsgId
       <LI> #CFE_SB_MessageStringGet - \copybrief CFE_SB_MessageStringGet
     </UL>
-    <LI> \ref CFEAPISBChecksum
-    <UL>
-      <LI> #CFE_MSG_GenerateChecksum - \copybrief CFE_MSG_GenerateChecksum
-      <LI> #CFE_MSG_ValidateChecksum - \copybrief CFE_MSG_ValidateChecksum
-    </UL>
     <LI> \ref CFEAPISBMessageID
     <UL>
       <LI> #CFE_SB_MsgId_Equal - \copybrief CFE_SB_MsgId_Equal
diff --git a/modules/core_api/fsw/inc/cfe_es.h b/modules/core_api/fsw/inc/cfe_es.h
index 0a9ed536e..1387c1b28 100644
--- a/modules/core_api/fsw/inc/cfe_es.h
+++ b/modules/core_api/fsw/inc/cfe_es.h
@@ -1087,7 +1087,6 @@ void CFE_ES_ProcessAsyncEvent(void);
 ** \retval #CFE_ES_CDS_ALREADY_EXISTS \copybrief CFE_ES_CDS_ALREADY_EXISTS
 ** \retval #CFE_ES_CDS_INVALID_SIZE   \copybrief CFE_ES_CDS_INVALID_SIZE
 ** \retval #CFE_ES_CDS_INVALID_NAME   \copybrief CFE_ES_CDS_INVALID_NAME
-** \retval #CFE_ES_CDS_REGISTRY_FULL  \copybrief CFE_ES_CDS_REGISTRY_FULL
 **
 ** \sa #CFE_ES_CopyToCDS, #CFE_ES_RestoreFromCDS
 **