diff --git a/evm/tests/basic_smart_contract.rs b/evm/tests/basic_smart_contract.rs
index b93f48ec..434ef8c2 100644
--- a/evm/tests/basic_smart_contract.rs
+++ b/evm/tests/basic_smart_contract.rs
@@ -28,6 +28,7 @@ type C = PoseidonGoldilocksConfig;
 
 /// Test a simple token transfer to a new address.
 #[test]
+#[ignore] // Too slow to run on CI.
 fn test_basic_smart_contract() -> anyhow::Result<()> {
     init_logger();
 
diff --git a/evm/tests/self_balance_gas_cost.rs b/evm/tests/self_balance_gas_cost.rs
index d38c066b..a970524f 100644
--- a/evm/tests/self_balance_gas_cost.rs
+++ b/evm/tests/self_balance_gas_cost.rs
@@ -26,6 +26,7 @@ type C = PoseidonGoldilocksConfig;
 
 /// The `selfBalanceGasCost` test case from https://github.com/ethereum/tests
 #[test]
+#[ignore] // Too slow to run on CI.
 fn self_balance_gas_cost() -> anyhow::Result<()> {
     init_logger();