diff --git a/android/native/libxml2/libxml/xmlversion.h b/android/native/libxml2/libxml/xmlversion.h
index 820c0779fe..31726dd2c9 100644
--- a/android/native/libxml2/libxml/xmlversion.h
+++ b/android/native/libxml2/libxml/xmlversion.h
@@ -139,24 +139,6 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
 #define DEBUG_MEMORY_LOCATION
 #endif
 
-/**
- * LIBXML_DEBUG_RUNTIME:
- *
- * Whether the runtime debugging is configured in
- */
-#if 0
-#define LIBXML_DEBUG_RUNTIME
-#endif
-
-/**
- * LIBXML_EXPR_ENABLED:
- *
- * Whether the formal expressions interfaces are compiled in
- */
-#if 0
-#define LIBXML_EXPR_ENABLED
-#endif
-
 /**
  * LIBXML_LZMA_ENABLED:
  *
diff --git a/android/native/libxml2/parser.c b/android/native/libxml2/parser.c
index 5f31e19069..b2231b4311 100644
--- a/android/native/libxml2/parser.c
+++ b/android/native/libxml2/parser.c
@@ -827,11 +827,7 @@ xmlHasFeature(xmlFeature feature)
         case XML_WITH_AUTOMATA:
             return(0);
         case XML_WITH_EXPR:
-#ifdef LIBXML_EXPR_ENABLED
-            return(1);
-#else
             return(0);
-#endif
         case XML_WITH_SCHEMAS:
             return(0);
         case XML_WITH_SCHEMATRON:
@@ -847,11 +843,7 @@ xmlHasFeature(xmlFeature feature)
             return(0);
 #endif
         case XML_WITH_DEBUG_RUN:
-#ifdef LIBXML_DEBUG_RUNTIME
-            return(1);
-#else
             return(0);
-#endif
         case XML_WITH_ZLIB:
             return(0);
         case XML_WITH_LZMA: