diff --git a/gnu/packages/certs.scm b/gnu/packages/certs.scm
index db89466328..947d2b53f1 100644
--- a/gnu/packages/certs.scm
+++ b/gnu/packages/certs.scm
@@ -85,8 +85,6 @@
                   (rnrs io ports)
                   (srfi srfi-26)
                   (ice-9 regex))
-       #:imported-modules ((guix build gnu-build-system)
-                           (guix build utils))
        #:phases
          (alist-cons-after
            'unpack 'install
diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index 1e9deb8bff..70b03b400a 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
 ;;;
@@ -153,8 +153,6 @@ in the Mozilla clients.")
                   (ice-9 ftw)
                   (ice-9 match)
                   (srfi srfi-26))
-       #:imported-modules ((guix build gnu-build-system)
-                           (guix build utils))
        #:phases
        (alist-replace
         'configure
diff --git a/gnu/packages/texlive.scm b/gnu/packages/texlive.scm
index 56149ab58e..14ee9c37ad 100644
--- a/gnu/packages/texlive.scm
+++ b/gnu/packages/texlive.scm
@@ -176,8 +176,6 @@ This package contains the binaries.")
     `(#:modules ((guix build gnu-build-system)
                  (guix build utils)
                  (srfi srfi-26))
-      #:imported-modules ((guix build gnu-build-system)
-                          (guix build utils))
       #:phases
         (alist-cons-before
          'texmf-config 'install
diff --git a/gnu/packages/xfce.scm b/gnu/packages/xfce.scm
index a08f004119..b39b903e9b 100644
--- a/gnu/packages/xfce.scm
+++ b/gnu/packages/xfce.scm
@@ -569,9 +569,6 @@ on your desktop.")
                   (guix build glib-or-gtk-build-system)
                   (guix build utils)
                   (srfi srfi-26))
-       #:imported-modules ((guix build gnu-build-system)
-                           (guix build glib-or-gtk-build-system)
-                           (guix build utils))
        #:phases
        (alist-replace
         'install