diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 8f7a79a36c..32ca13755f 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -9123,15 +9123,6 @@ easily be incorporated into existing simulation codes.")
         (base32
          "04x2x0jchf9kbcw2a1c6f4h4as8sr6k2snfz8z9k897pa4rl1vfl"))))))
 
-(define-public sundials-openmpi-5
-  (package/inherit sundials-5
-    (name "sundials-openmpi")
-    (propagated-inputs
-     (package-propagated-inputs sundials-openmpi))
-    (arguments
-     (package-arguments sundials-openmpi))
-    (synopsis (package-synopsis sundials-openmpi))))
-
 (define-public sundials-julia
   (package
     (inherit sundials)