diff --git a/src/tfscript/verify.py b/src/tfscript/verify.py
index db6ec83..281c397 100644
--- a/src/tfscript/verify.py
+++ b/src/tfscript/verify.py
@@ -1,5 +1,5 @@
 """Verify all the things that could go wrong."""
-from copy import deepcopy
+
 from tfscript import tftypes
 
 def verifyConfig(cfg: dict) -> (dict, dict):