--- a/README.md
+++ b/README.md
@@ -302,8 +302,6 @@
 ```
 // use pallet_contracts::weights::WeightInfo;
 ...
-// use pallet_contracts::chain_extension::UncheckedFrom;
-...
 // pub use pallet_timestamp::Call as TimestampCall;
 ...
 // mod chain_extension;