diff --git a/crates/fhe/src/bfv/ops/dot_product.rs b/crates/fhe/src/bfv/ops/dot_product.rs
index ca4408f1..0cffef70 100644
--- a/crates/fhe/src/bfv/ops/dot_product.rs
+++ b/crates/fhe/src/bfv/ops/dot_product.rs
@@ -1,5 +1,3 @@
-use std::cmp::min;
-
 use fhe_math::rq::{Ntt, Poly, dot_product as poly_dot_product, traits::TryConvertFrom};
 use itertools::{Itertools, izip};
 use ndarray::{Array, Array2};
@@ -58,25 +56,20 @@ where
     I: Iterator<Item = &'a Ciphertext> + Clone,
     J: Iterator<Item = &'a Plaintext> + Clone,
 {
-    let count = min(ct.clone().count(), pt.clone().count());
-    if count == 0 {
+    let inputs = izip!(ct, pt).collect_vec();
+    if inputs.is_empty() {
         return Err(Error::DefaultError(
             "At least one iterator is empty".to_string(),
         ));
     }
-    let ct_first = ct.clone().next().unwrap();
+    let (ct_first, _) = inputs[0];
     let ctx = ct_first[0].ctx();
 
-    if izip!(ct.clone(), pt.clone()).any(|(cti, pti)| {
+    if inputs.iter().any(|(cti, pti)| {
         cti.par != ct_first.par || pti.par != ct_first.par || cti.len() != ct_first.len()
     }) {
         return Err(Error::DefaultError("Mismatched parameters".to_string()));
     }
-    if ct.clone().any(|cti| cti.len() != ct_first.len()) {
-        return Err(Error::DefaultError(
-            "Mismatched number of parts in the ciphertexts".to_string(),
-        ));
-    }
 
     let max_acc = ctx
         .moduli()
@@ -85,14 +78,16 @@ where
         .collect_vec();
     let min_of_max = max_acc.iter().min().unwrap();
 
-    if count as u128 > *min_of_max {
+    if inputs.len() as u128 > *min_of_max {
         // Too many ciphertexts for the optimized method, instead, we call
         // `poly_dot_product`.
         let c = (0..ct_first.len())
             .map(|i| {
                 poly_dot_product(
-                    ct.clone().map(|cti| unsafe { cti.get_unchecked(i) }),
-                    pt.clone().map(|pti| &pti.poly_ntt),
+                    inputs
+                        .iter()
+                        .map(|(cti, _)| unsafe { cti.get_unchecked(i) }),
+                    inputs.iter().map(|(_, pti)| &pti.poly_ntt),
                 )
                 .map_err(Error::MathError)
             })
@@ -106,7 +101,7 @@ where
         })
     } else {
         let mut acc = Array::zeros((ct_first.len(), ctx.moduli().len(), ct_first.par.degree()));
-        for (ciphertext, plaintext) in izip!(ct, pt) {
+        for (ciphertext, plaintext) in inputs {
             let pt_coefficients = plaintext.poly_ntt.coefficients();
             for (mut acci, ci) in izip!(acc.outer_iter_mut(), ciphertext.iter()) {
                 let ci_coefficients = ci.coefficients();