diff --git a/src/tests/packed_u256.cairo b/src/tests/packed_u256.cairo
deleted file mode 100644
index ab779eb..0000000
--- a/src/tests/packed_u256.cairo
+++ /dev/null
@@ -1,77 +0,0 @@
-use clober_cairo::utils::packed_u256::{get_u64, update_64, sub_u64};
-
-#[test]
-fn test_get_u64() {
-    let packed: u256 = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    assert_eq!(get_u64(packed, 0), 0x1111111111111111);
-    assert_eq!(get_u64(packed, 1), 0x2222222222222222);
-    assert_eq!(get_u64(packed, 2), 0x3333333333333333);
-    assert_eq!(get_u64(packed, 3), 0x4444444444444444);
-}
-
-#[test]
-#[should_panic(expected: ('Index out of bounds',))]
-fn test_get_u64_out_of_bounds() {
-    let packed = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    get_u64(packed, 4);
-}
-
-#[test]
-fn test_update_64() {
-    let packed = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    let mut i = 0;
-    while (i < 4) {
-        let updated = update_64(packed, i, 0x123456789ABCDEF0);
-        let mut j = 0;
-        while (j < 4) {
-            if (j == i) {
-                assert_eq!(get_u64(updated, j), 0x123456789ABCDEF0);
-            } else {
-                assert_eq!(get_u64(updated, j), get_u64(packed, j));
-            }
-            j += 1;
-        };
-        i += 1;
-    };
-}
-
-#[test]
-#[should_panic(expected: ('Index out of bounds',))]
-fn test_update_64_out_of_bounds() {
-    let packed = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    update_64(packed, 4, 0x123456789ABCDEF0);
-}
-
-#[test]
-fn test_sub_u64() {
-    let packed = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    let base_hex = 0x1111111111111111;
-    let mut i = 0;
-    while (i < 4) {
-        let updated = sub_u64(packed, i, base_hex * i.into());
-        let mut j = 0;
-        while (j < 4) {
-            if (j == i) {
-                assert_eq!(get_u64(updated, j), base_hex);
-            } else {
-                assert_eq!(get_u64(updated, j), get_u64(packed, j));
-            }
-            j += 1;
-        };
-        i += 1;
-    };
-}
-
-#[test]
-#[should_panic(expected: ('Index out of bounds',))]
-fn test_sub_u64_out_of_bounds() {
-    let packed = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    sub_u64(packed, 4, 0x1111111111111111);
-}
-
-#[test]
-#[should_panic(expected: ('u64_sub Overflow',))]
-fn sub_u64_overflow() {
-    let packed = 0x4444444444444444333333333333333322222222222222221111111111111111;
-    sub_u64(packed, 0, 0x1111111111111112);
-}
diff --git a/src/utils/packed_u256.cairo b/src/utils/packed_u256.cairo
deleted file mode 100644
index 88657a9..0000000
--- a/src/utils/packed_u256.cairo
+++ /dev/null
@@ -1,31 +0,0 @@
-use clober_cairo::utils::constants::{TWO_POW_64, MASK_64};
-
-pub fn get_u64(packed: u256, n: u8) -> u64 {
-    assert(n < 4, 'Index out of bounds');
-    let mut _packed = packed;
-    let mut index = n;
-    while index > 0 {
-        _packed /= TWO_POW_64.into();
-        index -= 1;
-    };
-    (_packed & MASK_64.into()).try_into().unwrap()
-}
-
-pub fn update_64(packed: u256, n: u8, value: u64) -> u256 {
-    assert(n < 4, 'Index out of bounds');
-    let mut _packed = packed;
-    let mut data: u256 = value.into();
-    let mut mask: u256 = MASK_64.into();
-    let mut index = n;
-    while index > 0 {
-        data *= TWO_POW_64.into();
-        mask *= TWO_POW_64.into();
-        index -= 1;
-    };
-    (packed & ~mask) + data
-}
-
-pub fn sub_u64(packed: u256, n: u8, value: u64) -> u256 {
-    assert(n < 4, 'Index out of bounds');
-    update_64(packed, n, get_u64(packed, n) - value)
-}