diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index a205a20094..1a18be4416 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -1575,8 +1575,7 @@ (define-public glibc/hurd-headers
      (substitute-keyword-arguments (package-arguments glibc/hurd)
        ;; We just pass the flags really needed to build the headers.
        ((#:configure-flags flags)
-        `(list "--enable-add-ons"
-               ,@%glibc/hurd-configure-flags))
+        `(list "--enable-add-ons"))
        ((#:phases _)
         '(modify-phases %standard-phases
            (replace 'install
diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm
index a949cc1388..d62997144d 100644
--- a/gnu/packages/cross-base.scm
+++ b/gnu/packages/cross-base.scm
@@ -701,8 +701,7 @@ (define* (cross-libc* target
            ((#:configure-flags flags)
             `(cons ,(string-append "--host=" target)
                    ,(if (target-hurd? target)
-                        `(append (list "--disable-werror"
-                                       ,@%glibc/hurd-configure-flags)
+                        `(append (list "--disable-werror")
                                  ,flags)
                         flags)))
            ((#:phases phases)