diff --git a/src/circuit_data.rs b/src/circuit_data.rs
index 4d9a7110..466779da 100644
--- a/src/circuit_data.rs
+++ b/src/circuit_data.rs
@@ -7,7 +7,7 @@ use crate::gates::gate::GateRef;
 use crate::generator::WitnessGenerator;
 use crate::polynomial::commitment::ListPolynomialCommitment;
 use crate::proof::{Hash, HashTarget, Proof};
-use crate::prover::prove;
+use crate::prover::{prove, PLONK_BLINDING};
 use crate::verifier::verify;
 use crate::witness::PartialWitness;
 
@@ -48,6 +48,23 @@ impl CircuitConfig {
     pub fn num_advice_wires(&self) -> usize {
         self.num_wires - self.num_routed_wires
     }
+
+    pub fn large_config() -> Self {
+        Self {
+            num_wires: 134,
+            num_routed_wires: 12,
+            security_bits: 128,
+            rate_bits: 3,
+            num_challenges: 3,
+            fri_config: FriConfig {
+                proof_of_work_bits: 1,
+                rate_bits: 3,
+                reduction_arity_bits: vec![1],
+                num_query_rounds: 1,
+                blinding: PLONK_BLINDING.to_vec(),
+            },
+        }
+    }
 }
 
 /// Circuit data required by the prover or the verifier.
diff --git a/src/gadgets/arithmetic.rs b/src/gadgets/arithmetic.rs
index 2ea7c882..9c35d251 100644
--- a/src/gadgets/arithmetic.rs
+++ b/src/gadgets/arithmetic.rs
@@ -366,20 +366,7 @@ mod tests {
         type FF = QuarticCrandallField;
         const D: usize = 4;
 
-        let config = CircuitConfig {
-            num_wires: 134,
-            num_routed_wires: 12,
-            security_bits: 128,
-            rate_bits: 0,
-            num_challenges: 3,
-            fri_config: FriConfig {
-                proof_of_work_bits: 1,
-                rate_bits: 0,
-                reduction_arity_bits: vec![1],
-                num_query_rounds: 1,
-                blinding: PLONK_BLINDING.to_vec(),
-            },
-        };
+        let config = CircuitConfig::large_config();
 
         let mut builder = CircuitBuilder::<F, D>::new(config);
 
diff --git a/src/gadgets/split_base.rs b/src/gadgets/split_base.rs
index 0b1d61e8..94d3c3bc 100644
--- a/src/gadgets/split_base.rs
+++ b/src/gadgets/split_base.rs
@@ -79,20 +79,7 @@ mod tests {
     #[test]
     fn test_split_base() {
         type F = CrandallField;
-        let config = CircuitConfig {
-            num_wires: 134,
-            num_routed_wires: 12,
-            security_bits: 128,
-            rate_bits: 3,
-            num_challenges: 3,
-            fri_config: FriConfig {
-                proof_of_work_bits: 1,
-                rate_bits: 3,
-                reduction_arity_bits: vec![1],
-                num_query_rounds: 1,
-                blinding: PLONK_BLINDING.to_vec(),
-            },
-        };
+        let config = CircuitConfig::large_config();
         let mut builder = CircuitBuilder::<F, 4>::new(config);
         let x = F::from_canonical_usize(0b110100000); // 416 = 1532 in base 6.
         let xt = builder.constant(x);