diff --git a/evm/src/bls381_pairing.rs b/evm/src/bls381_pairing.rs
deleted file mode 100644
index e69de29b..00000000
diff --git a/evm/src/bls381_arithmetic.rs b/evm/src/extension_tower.rs
similarity index 100%
rename from evm/src/bls381_arithmetic.rs
rename to evm/src/extension_tower.rs
diff --git a/evm/src/lib.rs b/evm/src/lib.rs
index 61c5a07c..fa48d8dc 100644
--- a/evm/src/lib.rs
+++ b/evm/src/lib.rs
@@ -8,13 +8,13 @@
 
 pub mod all_stark;
 pub mod arithmetic;
-pub mod bls381_arithmetic;
 pub mod bn254_arithmetic;
 pub mod bn254_pairing;
 pub mod config;
 pub mod constraint_consumer;
 pub mod cpu;
 pub mod cross_table_lookup;
+pub mod extension_tower;
 pub mod fixed_recursive_verifier;
 pub mod generation;
 mod get_challenges;