diff --git a/mypyc/test/test_cheader.py b/mypyc/test/test_cheader.py
index 7ab055c735ad..ec9e2c4cf450 100644
--- a/mypyc/test/test_cheader.py
+++ b/mypyc/test/test_cheader.py
@@ -7,7 +7,6 @@
 import re
 import unittest
 
-from mypyc.ir.ops import PrimitiveDescription
 from mypyc.primitives import registry
 
 
@@ -32,8 +31,6 @@ def check_name(name: str) -> None:
             registry.function_ops.values(),
         ]:
             for ops in values:
-                if isinstance(ops, PrimitiveDescription):
-                    ops = [ops]
                 for op in ops:
                     if op.c_function_name is not None:
                         check_name(op.c_function_name)