diff --git a/circuit-benchmarks/src/tx_circuit.rs b/circuit-benchmarks/src/tx_circuit.rs
index f5f1fbd16c..03ed22aca6 100644
--- a/circuit-benchmarks/src/tx_circuit.rs
+++ b/circuit-benchmarks/src/tx_circuit.rs
@@ -7,7 +7,7 @@ mod tests {
     use env_logger::Env;
     use eth_types::{address, geth_types::Transaction, word, Bytes};
     use group::{Curve, Group};
-    use halo2_proofs::arithmetic::{BaseExt, CurveAffine, Field};
+    use halo2_proofs::arithmetic::{BaseExt, CurveAffine};
     use halo2_proofs::plonk::{create_proof, keygen_pk, keygen_vk, verify_proof, SingleVerifier};
     use halo2_proofs::{
         pairing::bn256::{Bn256, Fr, G1Affine},
@@ -59,7 +59,7 @@ mod tests {
             s: word!("0x61159fa4664b698ea7d518526c96cd94cf4d8adf418000754be106a3a133f866"),
         }];
 
-        let randomness = Fr::random(&mut rng);
+        let randomness = Fr::from(0xcafeu64);
         let mut instance: Vec<Vec<Fr>> = (1..POW_RAND_SIZE + 1)
             .map(|exp| vec![randomness.pow(&[exp as u64, 0, 0, 0]); MAX_TXS * VERIF_HEIGHT])
             .collect();
diff --git a/integration-tests/tests/circuits.rs b/integration-tests/tests/circuits.rs
index 2171039c6e..3e5c953202 100644
--- a/integration-tests/tests/circuits.rs
+++ b/integration-tests/tests/circuits.rs
@@ -25,7 +25,6 @@ async fn test_evm_circuit_block(block_num: u64) {
 }
 
 async fn test_state_circuit_block(block_num: u64) {
-    use halo2_proofs::arithmetic::BaseExt;
     use halo2_proofs::pairing::bn256::Fr;
 
     log::info!("test state circuit, block number: {}", block_num);
@@ -50,7 +49,7 @@ async fn test_state_circuit_block(block_num: u64) {
         ..Default::default()
     });
 
-    let randomness = Fr::rand();
+    let randomness = Fr::from(0xcafeu64);
     let circuit = StateCircuit::<Fr>::new(randomness, rw_map, 1 << 16);
     let power_of_randomness = circuit.instance();
 
diff --git a/zkevm-circuits/src/evm_circuit/witness.rs b/zkevm-circuits/src/evm_circuit/witness.rs
index 23d4133044..98f120b3ca 100644
--- a/zkevm-circuits/src/evm_circuit/witness.rs
+++ b/zkevm-circuits/src/evm_circuit/witness.rs
@@ -20,7 +20,7 @@ use bus_mapping::{
 use eth_types::{evm_types::OpcodeId, ToWord};
 use eth_types::{Address, Field, ToLittleEndian, ToScalar, Word};
 use eth_types::{ToAddress, U256};
-use halo2_proofs::arithmetic::{BaseExt, FieldExt};
+use halo2_proofs::arithmetic::FieldExt;
 use halo2_proofs::pairing::bn256::Fr;
 use itertools::Itertools;
 use sha3::{Digest, Keccak256};
@@ -1423,7 +1423,7 @@ pub fn block_convert(
     code_db: &bus_mapping::state_db::CodeDB,
 ) -> Block<Fr> {
     Block {
-        randomness: Fr::rand(),
+        randomness: Fr::from(0xcafeu64),
         context: block.into(),
         rws: RwMap::from(&block.container),
         txs: block
diff --git a/zkevm-circuits/src/state_circuit/test.rs b/zkevm-circuits/src/state_circuit/test.rs
index 9caa98de4f..e9fb24ed22 100644
--- a/zkevm-circuits/src/state_circuit/test.rs
+++ b/zkevm-circuits/src/state_circuit/test.rs
@@ -14,7 +14,6 @@ use eth_types::{
 use gadgets::binary_number::AsBits;
 use halo2_proofs::poly::commitment::Params;
 use halo2_proofs::{
-    arithmetic::BaseExt,
     dev::{MockProver, VerifyFailure},
     pairing::bn256::{Bn256, Fr, G1Affine},
     plonk::{keygen_vk, Advice, Circuit, Column, ConstraintSystem},
@@ -91,7 +90,7 @@ fn test_state_circuit_ok(
         ..Default::default()
     });
 
-    let randomness = Fr::rand();
+    let randomness = Fr::from(0xcafeu64);
     let circuit = StateCircuit::<Fr>::new(randomness, rw_map, N_ROWS);
     let power_of_randomness = circuit.instance();
 
@@ -109,7 +108,7 @@ fn degree() {
 
 #[test]
 fn verifying_key_independent_of_rw_length() {
-    let randomness = Fr::rand();
+    let randomness = Fr::from(0xcafeu64);
     let degree = 17;
     let params = Params::<G1Affine>::unsafe_setup::<Bn256>(degree);
 
@@ -981,7 +980,7 @@ fn bad_initial_tx_receipt_value() {
 }
 
 fn prover(rows: Vec<Rw>, overrides: HashMap<(AdviceColumn, isize), Fr>) -> MockProver<Fr> {
-    let randomness = Fr::rand();
+    let randomness = Fr::from(0xcafeu64);
     let circuit = StateCircuit::<Fr> {
         randomness,
         rows,
diff --git a/zkevm-circuits/src/super_circuit.rs b/zkevm-circuits/src/super_circuit.rs
index c9e1013163..ff7eddf79b 100644
--- a/zkevm-circuits/src/super_circuit.rs
+++ b/zkevm-circuits/src/super_circuit.rs
@@ -290,7 +290,7 @@ mod super_circuit_tests {
     };
     use ethers_signers::{LocalWallet, Signer};
     use group::{Curve, Group};
-    use halo2_proofs::arithmetic::{CurveAffine, Field as Halo2Field};
+    use halo2_proofs::arithmetic::CurveAffine;
     use halo2_proofs::dev::{MockProver, VerifyFailure};
     use halo2_proofs::pairing::bn256::Fr;
     use mock::{TestContext, MOCK_CHAIN_ID};
@@ -426,7 +426,7 @@ mod super_circuit_tests {
             .handle_block(&block.eth_block, &block.geth_traces)
             .expect("could not handle block tx");
         let mut block = block_convert(&builder.block, &builder.code_db);
-        block.randomness = Fr::random(&mut rng);
+        block.randomness = Fr::from(0xcafeu64);
 
         let aux_generator =
             <Secp256k1Affine as CurveAffine>::CurveExt::random(&mut rng).to_affine();