diff --git a/src/field.rs b/src/field.rs
index b9b93d9..d707947 100644
--- a/src/field.rs
+++ b/src/field.rs
@@ -126,6 +126,7 @@ impl Product for GF256 {
 #[cfg(test)]
 mod tests {
     use super::{EXP_TABLE, GF256, LOG_TABLE};
+    use alloc::vec;
 
     #[test]
     fn add_works() {
@@ -206,13 +207,13 @@ mod tests {
 
     #[test]
     fn sum_works() {
-        let values = alloc::vec![GF256(0x53), GF256(0xCA), GF256(0)];
+        let values = vec![GF256(0x53), GF256(0xCA), GF256(0)];
         assert_eq!(values.into_iter().sum::<GF256>().0, 0x99);
     }
 
     #[test]
     fn product_works() {
-        let values = alloc::vec![GF256(1), GF256(1), GF256(4)];
+        let values = vec![GF256(1), GF256(1), GF256(4)];
         assert_eq!(values.into_iter().product::<GF256>().0, 4);
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 546a5aa..45bfa73 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -167,23 +167,27 @@ impl Sharks {
 #[cfg(test)]
 mod tests {
     use super::{Share, Sharks};
-    use alloc::vec::Vec;
-    #[cfg(not(feature = "std"))]
-    use rand_chacha::rand_core::SeedableRng;
+    use alloc::{vec, vec::Vec};
+
+    impl Sharks {
+        #[cfg(not(feature = "std"))]
+        fn make_shares(&self, secret: &[u8]) -> impl Iterator<Item = Share> {
+            use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+
+            let mut rng = ChaCha8Rng::from_seed([0x90; 32]);
+            self.dealer_rng(secret, &mut rng)
+        }
+
+        #[cfg(feature = "std")]
+        fn make_shares(&self, secret: &[u8]) -> impl Iterator<Item = Share> {
+            self.dealer(secret)
+        }
+    }
 
     #[test]
     fn test_insufficient_shares_err() {
         let sharks = Sharks(255);
-
-        #[cfg(not(feature = "std"))]
-        let mut rng = rand_chacha::ChaCha8Rng::from_seed([0x90; 32]);
-
-        #[cfg(feature = "std")]
-        let dealer = sharks.dealer(&[1]);
-        #[cfg(not(feature = "std"))]
-        let dealer = sharks.dealer_rng(&[1], &mut rng);
-
-        let shares: Vec<Share> = dealer.take(254).collect();
+        let shares: Vec<Share> = sharks.make_shares(&[1]).take(254).collect();
         let secret = sharks.recover(&shares);
         assert!(secret.is_err());
     }
@@ -191,16 +195,7 @@ mod tests {
     #[test]
     fn test_duplicate_shares_err() {
         let sharks = Sharks(255);
-
-        #[cfg(not(feature = "std"))]
-        let mut rng = rand_chacha::ChaCha8Rng::from_seed([0x90; 32]);
-
-        #[cfg(feature = "std")]
-        let dealer = sharks.dealer(&[1]);
-        #[cfg(not(feature = "std"))]
-        let dealer = sharks.dealer_rng(&[1], &mut rng);
-
-        let mut shares: Vec<Share> = dealer.take(255).collect();
+        let mut shares: Vec<Share> = sharks.make_shares(&[1]).take(255).collect();
         shares[1] = Share {
             x: shares[0].x,
             y: shares[0].y.clone(),
@@ -212,17 +207,8 @@ mod tests {
     #[test]
     fn test_integration_works() {
         let sharks = Sharks(255);
-
-        #[cfg(not(feature = "std"))]
-        let mut rng = rand_chacha::ChaCha8Rng::from_seed([0x90; 32]);
-
-        #[cfg(feature = "std")]
-        let dealer = sharks.dealer(&[1, 2, 3, 4]);
-        #[cfg(not(feature = "std"))]
-        let dealer = sharks.dealer_rng(&[1, 2, 3, 4], &mut rng);
-
-        let shares: Vec<Share> = dealer.take(255).collect();
+        let shares: Vec<Share> = sharks.make_shares(&[1, 2, 3, 4]).take(255).collect();
         let secret = sharks.recover(&shares).unwrap();
-        assert_eq!(secret, alloc::vec![1, 2, 3, 4]);
+        assert_eq!(secret, vec![1, 2, 3, 4]);
     }
 }
diff --git a/src/math.rs b/src/math.rs
index e5e83a0..7279018 100644
--- a/src/math.rs
+++ b/src/math.rs
@@ -62,7 +62,7 @@ pub fn get_evaluator(polys: Vec<Vec<GF256>>) -> impl Iterator<Item = Share> {
 #[cfg(test)]
 mod tests {
     use super::{get_evaluator, interpolate, random_polynomial, Share, GF256};
-    use alloc::vec::Vec;
+    use alloc::{vec, vec::Vec};
     use rand_chacha::rand_core::SeedableRng;
 
     #[test]
@@ -75,14 +75,11 @@ mod tests {
 
     #[test]
     fn evaluator_works() {
-        let iter = get_evaluator(alloc::vec![alloc::vec![GF256(3), GF256(2), GF256(5)]]);
+        let iter = get_evaluator(vec![vec![GF256(3), GF256(2), GF256(5)]]);
         let values: Vec<_> = iter.take(2).map(|s| (s.x, s.y)).collect();
         assert_eq!(
             values,
-            alloc::vec![
-                (GF256(1), alloc::vec![GF256(4)]),
-                (GF256(2), alloc::vec![GF256(13)])
-            ]
+            vec![(GF256(1), vec![GF256(4)]), (GF256(2), vec![GF256(13)])]
         );
     }
 
@@ -90,9 +87,9 @@ mod tests {
     fn interpolate_works() {
         let mut rng = rand_chacha::ChaCha8Rng::from_seed([0x90; 32]);
         let poly = random_polynomial(GF256(185), 10, &mut rng);
-        let iter = get_evaluator(alloc::vec![poly]);
+        let iter = get_evaluator(vec![poly]);
         let shares: Vec<Share> = iter.take(10).collect();
         let root = interpolate(&shares);
-        assert_eq!(root, alloc::vec![185]);
+        assert_eq!(root, vec![185]);
     }
 }
diff --git a/src/share.rs b/src/share.rs
index dfd0cb2..31e8b61 100644
--- a/src/share.rs
+++ b/src/share.rs
@@ -53,16 +53,16 @@ impl From<&[u8]> for Share {
 #[cfg(test)]
 mod tests {
     use super::{Share, GF256};
-    use alloc::vec::Vec;
+    use alloc::{vec, vec::Vec};
 
     #[test]
     fn vec_from_share_works() {
         let share = Share {
             x: GF256(1),
-            y: alloc::vec![GF256(2), GF256(3)],
+            y: vec![GF256(2), GF256(3)],
         };
         let bytes = Vec::from(&share);
-        assert_eq!(bytes, alloc::vec![1, 2, 3]);
+        assert_eq!(bytes, vec![1, 2, 3]);
     }
 
     #[test]
@@ -70,6 +70,6 @@ mod tests {
         let bytes = [1, 2, 3];
         let share = Share::from(&bytes[..]);
         assert_eq!(share.x, GF256(1));
-        assert_eq!(share.y, alloc::vec![GF256(2), GF256(3)]);
+        assert_eq!(share.y, vec![GF256(2), GF256(3)]);
     }
 }