diff --git a/encoding.c b/encoding.c
index 863dc11e..bbd26135 100644
--- a/encoding.c
+++ b/encoding.c
@@ -1905,6 +1905,8 @@ xmlCharEncCloseFunc(xmlCharEncodingHandler *handler) {
  * xmlByteConsumed:
  * @ctxt: an XML parser context
  *
+ * DEPRECATED: Don't use.
+ *
  * This function provides the current index of the parser relative
  * to the start of the current entity. This function is computed in
  * bytes from the beginning starting at zero and finishing at the
diff --git a/include/libxml/parser.h b/include/libxml/parser.h
index 9308617c..b31afc76 100644
--- a/include/libxml/parser.h
+++ b/include/libxml/parser.h
@@ -1347,9 +1347,7 @@ XMLPUBFUN xmlParserInputPtr
 					 const char *ID,
 					 xmlParserCtxtPtr ctxt);
 
-/*
- * Index lookup, actually implemented in the encoding module
- */
+XML_DEPRECATED
 XMLPUBFUN long
 		xmlByteConsumed		(xmlParserCtxtPtr ctxt);
 
diff --git a/python/generator.py b/python/generator.py
index 0daa345f..f28a8150 100755
--- a/python/generator.py
+++ b/python/generator.py
@@ -299,6 +299,7 @@ deprecated_funcs = {
     'namePush': True,
     'nodePop': True,
     'nodePush': True,
+    'xmlByteConsumed': True,
     'xmlCheckFilename': True,
     'xmlCheckLanguageID': True,
     'xmlCleanupCharEncodingHandlers': True,