diff --git a/tests/standalone_minimal_maximization.ml b/tests/standalone_minimal_maximization.ml
index b19327b..96e5fac 100644
--- a/tests/standalone_minimal_maximization.ml
+++ b/tests/standalone_minimal_maximization.ml
@@ -1,9 +1,6 @@
-
 open Simplex
 
 let large i = Sim.Core.R2.of_r (Q.of_int i)
-let upper i = Sim.Core.R2.upper (Q.of_int i)
-let lower i = Sim.Core.R2.lower (Q.of_int i)
 
 let bnd r e = {Sim.Core.bvalue = r; explanation = e}