diff --git a/crates/committer/src/lib.rs b/crates/committer/src/lib.rs
index 04dc8ba4..cd891ade 100644
--- a/crates/committer/src/lib.rs
+++ b/crates/committer/src/lib.rs
@@ -9,6 +9,8 @@ pub mod test {
     use std::time::Duration;
     use std::time::Instant;
 
+    use crate::test_utils::{mean, random_felt, std_deviation};
+
     use super::dummy;
     use pathfinder_crypto::Felt;
     use pathfinder_crypto::MontFelt;
@@ -27,26 +29,6 @@ pub mod test {
         assert_eq!(dummy(), 7);
     }
 
-    fn mean(data: &[Duration]) -> Duration {
-        data.iter()
-            .sum::<Duration>()
-            .checked_div(data.len().try_into().unwrap())
-            .unwrap()
-    }
-    #[allow(clippy::as_conversions)]
-    fn std_deviation(data: &[Duration]) -> Duration {
-        let mean = mean(data).as_secs_f32();
-        let mut variance = data
-            .iter()
-            .map(|x| {
-                let diff = (*x).as_secs_f32() - mean;
-                diff * diff
-            })
-            .sum::<f32>();
-        variance /= data.len() as f32;
-        Duration::from_secs_f32(variance.sqrt())
-    }
-
     //run with `cargo test --release -- --nocapture bench`
     #[test]
     fn bench() {
@@ -184,12 +166,6 @@ pub mod test {
         // _leaf_data: Option<(ClassHash, ClassTreeNode)>,
     }
 
-    pub fn random_felt() -> Felt {
-        let mut buf: [u8; 32] = rand::thread_rng().gen();
-        buf[0] &= 0x07; // clear the 5 most significant bits
-        Felt::from_be_bytes(buf).expect("Overflow ;(")
-    }
-
     pub fn create_dummy_tree(height: u8) -> Option<Box<SNTreeNode>> {
         let node = match height {
             TREE_HEIGHT => SNTreeNode {
@@ -433,3 +409,6 @@ pub mod test {
         );
     }
 }
+
+#[cfg(any(feature = "testing", test))]
+pub mod test_utils;
diff --git a/crates/committer/src/test_utils.rs b/crates/committer/src/test_utils.rs
new file mode 100644
index 00000000..b811f0f3
--- /dev/null
+++ b/crates/committer/src/test_utils.rs
@@ -0,0 +1,30 @@
+use pathfinder_crypto::Felt;
+use rand::Rng;
+use std::time::Duration;
+
+pub fn mean(data: &[Duration]) -> Duration {
+    data.iter()
+        .sum::<Duration>()
+        .checked_div(data.len().try_into().unwrap())
+        .unwrap()
+}
+
+#[allow(clippy::as_conversions)]
+pub fn std_deviation(data: &[Duration]) -> Duration {
+    let mean = mean(data).as_secs_f32();
+    let mut variance = data
+        .iter()
+        .map(|x| {
+            let diff = (*x).as_secs_f32() - mean;
+            diff * diff
+        })
+        .sum::<f32>();
+    variance /= data.len() as f32;
+    Duration::from_secs_f32(variance.sqrt())
+}
+
+pub fn random_felt() -> Felt {
+    let mut buf: [u8; 32] = rand::thread_rng().gen();
+    buf[0] &= 0x07; // clear the 5 most significant bits
+    Felt::from_be_bytes(buf).expect("Overflow ;(")
+}