diff --git a/core/crypto/util/util.odin b/core/crypto/util/util.odin
deleted file mode 100644
index b9b80124a..000000000
--- a/core/crypto/util/util.odin
+++ /dev/null
@@ -1,146 +0,0 @@
-package util
-
-/*
-    Copyright 2021 zhibog
-    Made available under the BSD-3 license.
-
-    List of contributors:
-        zhibog, dotbmp:  Initial implementation.
-
-    Various utility procedures
-*/
-
-import "core:mem"
-// Keep vet happy
-_ :: mem
-
-// @note(bp): this can replace the other two
-cast_slice :: #force_inline proc "contextless" ($D: typeid/[]$DE, src: $S/[]$SE) -> D {
-    src := src
-    dst := (^mem.Raw_Slice)(&src)
-
-    when size_of(DE) < size_of(SE) {
-        when size_of(DE) % size_of(SE) == 0 {
-            dst.len /= size_of(SE) / size_of(DE)
-        } else {
-            dst.len *= size_of(SE)
-            dst.len /= size_of(DE)
-        }
-    } else when size_of(DE) > size_of(SE) {
-        when size_of(DE) % size_of(SE) == 0 {
-            dst.len *= size_of(DE) / size_of(SE)
-        } else {
-            dst.len *= size_of(SE)
-            dst.len /= size_of(DE)
-        }
-    } else when size_of(DE) != size_of(SE) {
-        #assert(size_of(DE) % size_of(SE) == 0, "Different size detected")
-        dst.len *= size_of(SE)
-        dst.len /= size_of(DE)
-    }
-
-    return (^D)(dst)^
-}
-
-bytes_to_slice :: #force_inline proc "contextless" ($T: typeid/[]$E, bytes: []byte) -> T {
-    s := transmute(mem.Raw_Slice)bytes
-    s.len /= size_of(E)
-    return transmute(T)s
-}
-
-slice_to_bytes :: #force_inline proc "contextless" (slice: $E/[]$T) -> []byte {
-    s := transmute(mem.Raw_Slice)slice
-    s.len *= size_of(T)
-    return transmute([]byte)s
-}
-
-ROTL16 :: #force_inline proc "contextless" (a, b: u16) -> u16 {
-    return ((a << b) | (a >> (16 - b)))
-}
-
-ROTR16 :: #force_inline proc "contextless" (a, b: u16) -> u16 {
-    return ((a >> b) | (a << (16 - b)))
-}
-
-ROTL32 :: #force_inline proc "contextless"(a: u32, b: int) -> u32 {
-    s := uint(b) & 31
-    return (a << s) | (a >> (32 - s))
-}
-
-ROTR32 :: #force_inline proc "contextless" (a: u32, b: int) -> u32 {
-    s := uint(b) & 31
-    return (a >> s) | (a << (32 - s))
-}
-
-ROTL64 :: #force_inline proc "contextless" (a, b: u64) -> u64 {
-    return ((a << b) | (a >> (64 - b)))
-}
-
-ROTR64 :: #force_inline proc "contextless" (a, b: u64) -> u64 {
-    return ((a >> b) | (a << (64 - b)))
-}
-
-ROTL128 :: #force_inline proc "contextless" (a, b, c, d: ^u32, n: uint) {
-    a, b, c, d := a, b, c, d
-    t := a^ >> (32 - n)
-    a^ = ((a^ << n) | (b^ >> (32 - n)))
-    b^ = ((b^ << n) | (c^ >> (32 - n)))
-    c^ = ((c^ << n) | (d^ >> (32 - n)))
-    d^ = ((d^ << n) | t)
-}
-
-U32_LE :: #force_inline proc "contextless" (b: []byte) -> u32 {
-    return u32(b[0]) | u32(b[1]) << 8 | u32(b[2]) << 16 | u32(b[3]) << 24
-}
-
-U64_LE :: #force_inline proc "contextless" (b: []byte) -> u64 {
-    return u64(b[0])       | u64(b[1]) << 8  | u64(b[2]) << 16 | u64(b[3]) << 24 |
-           u64(b[4]) << 32 | u64(b[5]) << 40 | u64(b[6]) << 48 | u64(b[7]) << 56
-}
-
-U64_BE :: #force_inline proc "contextless" (b: []byte) -> u64 {
-    return u64(b[7])       | u64(b[6]) << 8  | u64(b[5]) << 16 | u64(b[4]) << 24 |
-           u64(b[3]) << 32 | u64(b[2]) << 40 | u64(b[1]) << 48 | u64(b[0]) << 56
-}
-
-PUT_U64_LE :: #force_inline proc "contextless" (b: []byte, v: u64) {
-    b[0] = byte(v)
-    b[1] = byte(v >> 8)
-    b[2] = byte(v >> 16)
-    b[3] = byte(v >> 24)
-    b[4] = byte(v >> 32)
-    b[5] = byte(v >> 40)
-    b[6] = byte(v >> 48)
-    b[7] = byte(v >> 56)
-}
-
-PUT_U32_LE :: #force_inline proc "contextless" (b: []byte, v: u32) {
-    b[0] = byte(v)
-    b[1] = byte(v >> 8)
-    b[2] = byte(v >> 16)
-    b[3] = byte(v >> 24)
-}
-
-PUT_U32_BE :: #force_inline proc "contextless" (b: []byte, v: u32) {
-    b[0] = byte(v >> 24)
-    b[1] = byte(v >> 16)
-    b[2] = byte(v >> 8)
-    b[3] = byte(v)
-}
-
-PUT_U64_BE :: #force_inline proc "contextless" (b: []byte, v: u64) {
-    b[0] = byte(v >> 56)
-    b[1] = byte(v >> 48)
-    b[2] = byte(v >> 40)
-    b[3] = byte(v >> 32)
-    b[4] = byte(v >> 24)
-    b[5] = byte(v >> 16)
-    b[6] = byte(v >> 8)
-    b[7] = byte(v)
-}
-
-XOR_BUF :: #force_inline proc "contextless" (input, output: []byte) {
-    for i := 0; i < len(input); i += 1 {
-        output[i] ~= input[i]
-    }
-}
diff --git a/examples/all/all_main.odin b/examples/all/all_main.odin
index 33069cf71..bdbaf0e6c 100644
--- a/examples/all/all_main.odin
+++ b/examples/all/all_main.odin
@@ -35,7 +35,6 @@ import sha2             "core:crypto/sha2"
 import sha3             "core:crypto/sha3"
 import shake            "core:crypto/shake"
 import sm3              "core:crypto/sm3"
-import crypto_util      "core:crypto/util"
 import x25519           "core:crypto/x25519"
 
 import pe               "core:debug/pe"
@@ -150,7 +149,6 @@ _ :: sha2
 _ :: sha3
 _ :: shake
 _ :: sm3
-_ :: crypto_util
 _ :: x25519
 _ :: pe
 _ :: dynlib