diff --git a/tests/test_config.py b/tests/test_config.py
index c4ff99a..0ac2290 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -18,8 +18,6 @@
     TketOptimizations,
 )
 
-SUPPORTED_CONFIG_VERSIONS = ["v02", "v1"]
-
 
 def test_config_opt_contains():
     opt = Qasm2Optimizations()