diff --git a/scripts/symbols.dfn b/scripts/symbols.dfn
index 1d697969b..085832715 100644
--- a/scripts/symbols.dfn
+++ b/scripts/symbols.dfn
@@ -16,12 +16,6 @@
  * scripts/pnglibconf.dfa then this checks the .dfa file too.
  */
 
-#define PNG_EXPORTA(ordinal, type, name, args, attributes)\
-	PNG_DFN "@" name "@ @@" ordinal "@"
-#define PNG_REMOVED(ordinal, type, name, args, attributes)\
-	PNG_DFN "; @" name "@ @@" ordinal "@"
-#define PNG_EXPORT_LAST_ORDINAL(ordinal)\
-
 #define PNG_EXPORTA(ordinal, type, name, args, attributes)\
         PNG_DFN "@" name "@ @@" ordinal "@"
 #define PNG_REMOVED(ordinal, type, name, args, attributes)\