diff --git a/bus-mapping/src/evm/opcodes/precompiles/mod.rs b/bus-mapping/src/evm/opcodes/precompiles.rs
similarity index 100%
rename from bus-mapping/src/evm/opcodes/precompiles/mod.rs
rename to bus-mapping/src/evm/opcodes/precompiles.rs
diff --git a/testool/src/statetest/mod.rs b/testool/src/statetest.rs
similarity index 100%
rename from testool/src/statetest/mod.rs
rename to testool/src/statetest.rs
diff --git a/zkevm-circuits/src/evm_circuit/execution/precompiles/mod.rs b/zkevm-circuits/src/evm_circuit/execution/precompiles.rs
similarity index 100%
rename from zkevm-circuits/src/evm_circuit/execution/precompiles/mod.rs
rename to zkevm-circuits/src/evm_circuit/execution/precompiles.rs