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-rw-r--r--gnu/system/image.scm1
1 files changed, 0 insertions, 1 deletions
diff --git a/gnu/system/image.scm b/gnu/system/image.scm
index 42c2e6c121..6b376e266e 100644
--- a/gnu/system/image.scm
+++ b/gnu/system/image.scm
@@ -784,7 +784,6 @@ it can be used for bootloading."
 (define* (system-image image)
   "Return the derivation of IMAGE.  It can be a raw disk-image or an ISO9660
 image, depending on IMAGE format."
-  (define substitutable? (image-substitutable? image))
   (define platform (image-platform image))
 
   ;; The image platform definition may provide the appropriate "system"