diff --git a/gnu/packages/sdr.scm b/gnu/packages/sdr.scm
index f6c9050503..563a9b3887 100644
--- a/gnu/packages/sdr.scm
+++ b/gnu/packages/sdr.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2019 Christopher Howard <christopher@librehacker.com>
+;;; Copyright © 2019, 2020 Evan Straw <evan.straw99@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -19,11 +20,9 @@
 (define-module (gnu packages sdr)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
-  #:use-module (guix utils)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix build-system gnu)
-  #:use-module (gnu packages)
   #:use-module (gnu packages algebra)
   #:use-module (gnu packages autotools))