diff -uNr html-xml-utils-7.9/hash.c html-xml-utils-7.9.mod/hash.c
--- html-xml-utils-7.9/hash.c	2018-02-23 14:29:48.000000000 +0000
+++ html-xml-utils-7.9.mod/hash.c	2020-11-05 23:28:18.967247150 +0000
@@ -1,4 +1,4 @@
-#ifndef HAVE_SEARCH_H
+#ifndef DONTHAVE_SEARCH_H
 /*
  * hsearch() on Mac OS X 10.1.2 appears to be broken: there is no
  * search.h; there is a search() in the C library, but it doesn't work
diff -uNr html-xml-utils-7.9/hxcite.c html-xml-utils-7.9.mod/hxcite.c
--- html-xml-utils-7.9/hxcite.c	2018-02-23 14:29:48.000000000 +0000
+++ html-xml-utils-7.9.mod/hxcite.c	2020-11-05 23:29:09.671568513 +0000
@@ -89,11 +89,7 @@
 # endif
 #endif
 
-#ifdef HAVE_SEARCH_H
-#  include <search.h>
-#else
 #  include "hash.e"
-#endif
 
 #include <ctype.h>
 #include <stdbool.h>
diff -uNr html-xml-utils-7.9/hxmkbib.c html-xml-utils-7.9.mod/hxmkbib.c
--- html-xml-utils-7.9/hxmkbib.c	2018-02-23 14:29:48.000000000 +0000
+++ html-xml-utils-7.9.mod/hxmkbib.c	2020-11-05 23:29:04.327113033 +0000
@@ -88,11 +88,7 @@
 #include <stdlib.h>
 #include <assert.h>
 
-#ifdef HAVE_SEARCH_H
-#  include <search.h>
-#else
 #  include "hash.e"		/* Use our own implementation */
-#endif
 
 #include <ctype.h>
 #include <stdbool.h>
diff -uNr html-xml-utils-7.9/hxref.c html-xml-utils-7.9.mod/hxref.c
--- html-xml-utils-7.9/hxref.c	2018-02-23 14:29:48.000000000 +0000
+++ html-xml-utils-7.9.mod/hxref.c	2020-11-05 23:29:15.588072744 +0000
@@ -35,11 +35,7 @@
 #ifdef HAVE_ERRNO_H
 #  include <errno.h>
 #endif
-#ifdef HAVE_SEARCH_H
-#  include <search.h>
-#else
 #  include "hash.e"
-#endif
 
 #if STDC_HEADERS
 # include <string.h>