diff --git a/doc/symbols.xml b/doc/symbols.xml
index 23d80397..e0a3791d 100644
--- a/doc/symbols.xml
+++ b/doc/symbols.xml
@@ -1719,9 +1719,6 @@
   <release version="2.6.28">
     <symbol file="xmlreader">xmlTextReaderSetup</symbol>
   </release>
-  <release version="2.6.29">
-    <symbol file="threads">xmlDllMain</symbol>
-  </release>
   <release version="2.6.32">
     <symbol file="schematron">xmlSchematronSetValidStructuredErrors</symbol>
   </release>
diff --git a/include/libxml/threads.h b/include/libxml/threads.h
index 5c9d0bd2..98033907 100644
--- a/include/libxml/threads.h
+++ b/include/libxml/threads.h
@@ -74,12 +74,14 @@ XMLPUBFUN void XMLCALL
 XMLPUBFUN xmlGlobalStatePtr XMLCALL
 			xmlGetGlobalState(void);
 
+/** DOC_DISABLE */
 #if defined(LIBXML_THREAD_ENABLED) && defined(_WIN32) && \
     !defined(HAVE_COMPILER_TLS) && defined(LIBXML_STATIC_FOR_DLL)
 int XMLCALL
 xmlDllMain(void *hinstDLL, unsigned long fdwReason,
            void *lpvReserved);
 #endif
+/** DOC_ENABLE */
 
 #ifdef __cplusplus
 }
diff --git a/libxml2.syms b/libxml2.syms
index a2f7e416..878cd112 100644
--- a/libxml2.syms
+++ b/libxml2.syms
@@ -2185,19 +2185,12 @@ LIBXML2_2.6.28 {
   xmlTextReaderSetup;
 } LIBXML2_2.6.27;
 
-LIBXML2_2.6.29 {
-    global:
-
-# threads
-  xmlDllMain;
-} LIBXML2_2.6.28;
-
 LIBXML2_2.6.32 {
     global:
 
 # schematron
   xmlSchematronSetValidStructuredErrors;
-} LIBXML2_2.6.29;
+} LIBXML2_2.6.28;
 
 LIBXML2_2.7.0 {
     global:
diff --git a/win32/libxml2.def.src b/win32/libxml2.def.src
index 86f687ba..4486c0e6 100644
--- a/win32/libxml2.def.src
+++ b/win32/libxml2.def.src
@@ -741,7 +741,6 @@ xmlDictQLookup
 xmlDictReference
 xmlDictSetLimit
 xmlDictSize
-xmlDllMain
 xmlDocCopyNode
 xmlDocCopyNodeList
 xmlDocDump