diff --git a/src/Parquet.Test/Serialisation/CILProgramTest.cs b/src/Parquet.Test/Serialisation/CILProgramTest.cs
index 9f1cf757..2174c735 100644
--- a/src/Parquet.Test/Serialisation/CILProgramTest.cs
+++ b/src/Parquet.Test/Serialisation/CILProgramTest.cs
@@ -23,8 +23,6 @@ public void SimpleAssign() {
             program.CallVirt(typeof(Arg1).GetProperty(nameof(Arg1.Number)).SetMethod,
                 Ldarg_0, Ldc_I4_3);
 
-            program.Op(Ldc_I4_3);
-
             // program end
 
             Action<Arg1> dg = program.ToDelegate();