https://bugs.gentoo.org/706976

--- polyglot-1.4.70b-orig/pgheader.h
+++ polyglot-1.4.70b/pgheader.h
@@ -10,9 +10,6 @@
 #define PGHEADER_BAD_HEADER 6
 
 
-const char * pgheader_version;
-const char * pgheader_magic;
-
 /* This does some heuristic tests to make it reasonably sure we are dealing
    with a Polyglot book.
 */