diff --git a/lib/libXfixes/configure b/lib/libXfixes/configure
index 80dbf1814..5df9f281e 100644
--- a/lib/libXfixes/configure
+++ b/lib/libXfixes/configure
@@ -17547,23 +17547,6 @@ done
 LIBS="$SAVE_LIBS"
 
 
-# Check for _XEatDataWords function that may be patched into older Xlib releases
-SAVE_LIBS="$LIBS"
-LIBS="$FIXESEXT_LIBS"
-for ac_func in _XEatDataWords
-do :
-  ac_fn_c_check_func "$LINENO" "_XEatDataWords" "ac_cv_func__XEatDataWords"
-if test "x$ac_cv_func__XEatDataWords" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE__XEATDATAWORDS 1
-_ACEOF
-
-fi
-done
-
-LIBS="$SAVE_LIBS"
-
-
 ac_config_files="$ac_config_files Makefile src/Makefile man/Makefile xfixes.pc"
 
 cat >confcache <<\_ACEOF
diff --git a/lib/libXfixes/configure.ac b/lib/libXfixes/configure.ac
index bad1f43e0..f85bd7266 100644
--- a/lib/libXfixes/configure.ac
+++ b/lib/libXfixes/configure.ac
@@ -64,13 +64,6 @@ AC_CHECK_FUNCS([_XEatDataWords])
 LIBS="$SAVE_LIBS"
 
 
-# Check for _XEatDataWords function that may be patched into older Xlib releases
-SAVE_LIBS="$LIBS"
-LIBS="$FIXESEXT_LIBS"
-AC_CHECK_FUNCS([_XEatDataWords])
-LIBS="$SAVE_LIBS"
-
-
 AC_CONFIG_FILES([Makefile
 		src/Makefile
 		man/Makefile