diff --git a/radix/packages/disk.scm b/radix/packages/disk.scm
index b2f861e..e2ee4fc 100644
--- a/radix/packages/disk.scm
+++ b/radix/packages/disk.scm
@@ -29,6 +29,7 @@
       (build-system go-build-system)
       (arguments
         (list #:go go-1.18
+              #:install-source? #f
               #:import-path import-path
               #:phases
               #~(let ((src (string-append "src/" #$import-path))