diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 16bb85efbc..16e070eeff 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -62,7 +62,6 @@ (define-module (gnu packages maths)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system python)
-  #:use-module (guix build-system r)
   #:use-module (guix build-system ruby)
   #:use-module (gnu packages algebra)
   #:use-module (gnu packages audio)