diff --git a/configure.ac b/configure.ac
index c5ec5e0..6914561 100644
--- a/configure.ac
+++ b/configure.ac
@@ -60,7 +60,6 @@ gl_MD5
 gl_FUNC_EXPLICIT_BZERO
 if test $HAVE_EXPLICIT_BZERO = 0; then
   AC_LIBOBJ([explicit_bzero])
-  gl_PREREQ_EXPLICIT_BZERO
 fi
 gl_STRING_MODULE_INDICATOR([explicit_bzero])
 gl_XALLOC