diff --git a/cmd/tools/bench/wyhash.v b/cmd/tools/bench/wyhash.v
index f25132dbfa..0ec9413c78 100644
--- a/cmd/tools/bench/wyhash.v
+++ b/cmd/tools/bench/wyhash.v
@@ -1,7 +1,7 @@
 module main
 
 import hash.fnv1a
-import hash.wyhash
+import hash as wyhash
 import rand
 import time
 
diff --git a/cmd/tools/check_os_api_parity.v b/cmd/tools/check_os_api_parity.v
index 677eee7893..7fd27c86a8 100644
--- a/cmd/tools/check_os_api_parity.v
+++ b/cmd/tools/check_os_api_parity.v
@@ -12,7 +12,7 @@ const (
 	os_names     = ['linux', 'macos', 'windows']
 	skip_modules = [
 		'builtin.bare', 'builtin.js',
-		'strconv', 'strconv.ftoa', 'hash.wyhash', 'strings',
+		'strconv', 'strconv.ftoa', 'hash', 'strings',
 		'crypto.rand',
 		'os.bare', 'os2',
 		'picohttpparser', 'picoev',
diff --git a/vlib/hash/wyhash/wyhash_test.v b/vlib/hash/hash_wyhash_test.v
similarity index 96%
rename from vlib/hash/wyhash/wyhash_test.v
rename to vlib/hash/hash_wyhash_test.v
index 1d7bd3b675..a3ea540100 100644
--- a/vlib/hash/wyhash/wyhash_test.v
+++ b/vlib/hash/hash_wyhash_test.v
@@ -1,4 +1,4 @@
-import hash.wyhash
+import hash as wyhash
 
 struct WyHashTest {
 	s        string
diff --git a/vlib/hash/wyhash/wyhash.v b/vlib/hash/wyhash/wyhash.v
deleted file mode 100644
index b32da63bb4..0000000000
--- a/vlib/hash/wyhash/wyhash.v
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
-// Use of this source code is governed by an MIT license
-// that can be found in the LICENSE file.
-//
-// this is an implementation of wyhash v4
-// from https://github.com/wangyi-fudan/wyhash
-//
-// TODO: use u128 once implemented
-// currently the C version performs slightly better
-// because it uses 128 bit int when available and
-// branch prediction hints. the C version will be
-// removed once the perfomance is matched.
-// you can test performance by running:
-// `v run cmd/tools/bench/wyhash.v`
-// try running with and without the `-prod` flag
-module wyhash
-
-//#flag -I @VROOT/thirdparty/wyhash
-//#include "wyhash.h"
-fn C.wyhash(byteptr, u64, u64) u64
-
-
-const (
-	wyp0 = u64(0xa0761d6478bd642f)
-	wyp1 = u64(0xe7037ed1a0b428db)
-	wyp2 = u64(0x8ebc6af09c88c6e3)
-	wyp3 = u64(0x589965cc75374cc3)
-	wyp4 = u64(0x1d8e4e27c47d124f)
-)
-
-[inline]
-pub fn wyhash_c(key byteptr, len, seed u64) u64 {
-	return C.wyhash(key, len, seed)
-}
-
-[inline]
-pub fn sum64_string(key string, seed u64) u64 {
-	return wyhash64(key.str, u64(key.len), seed)
-}
-
-[inline]
-pub fn sum64(key []byte, seed u64) u64 {
-	return wyhash64(byteptr(key.data), u64(key.len), seed)
-}
-
-[inline]
-fn wyhash64(key byteptr, len, seed_ u64) u64 {
-	if len == 0 {
-		return 0
-	}
-	mut p := key
-	mut seed := seed_
-	mut i := len & 63
-	unsafe {
-		if i < 4 {
-			seed = wymum(wyr3(p, i) ^ seed ^ wyp0, seed ^ wyp1)
-		}
-		else if i <= 8 {
-			seed = wymum(wyr4(p) ^ seed ^ wyp0, wyr4(p + i - 4) ^ seed ^ wyp1)
-		}
-		else if i <= 16 {
-			seed = wymum(wyr8(p) ^ seed ^ wyp0, wyr8(p + i - 8) ^ seed ^ wyp1)
-		}
-		else if i <= 24 {
-			seed = wymum(wyr8(p) ^ seed ^ wyp0, wyr8(p + 8) ^ seed ^ wyp1) ^ wymum(wyr8(p + i - 8) ^ seed ^ wyp2, seed ^ wyp3)
-		}
-		else if i <= 32 {
-			seed = wymum(wyr8(p) ^ seed ^ wyp0, wyr8(p + 8) ^ seed ^ wyp1) ^ wymum(wyr8(p + 16) ^ seed ^ wyp2, wyr8(p + i - 8) ^ seed ^ wyp3)
-		}
-		else {
-			seed = wymum(wyr8(p) ^ seed ^ wyp0, wyr8(p + 8) ^ seed ^ wyp1) ^ wymum(wyr8(p + 16) ^ seed ^ wyp2, wyr8(p + 24) ^ seed ^ wyp3) ^ wymum(wyr8(p + i - 32) ^ seed ^ wyp1, wyr8(p + i - 24) ^ seed ^ wyp2) ^ wymum(wyr8(p + i - 16) ^ seed ^ wyp3, wyr8(p + i - 8) ^ seed ^ wyp0)
-		}
-	}
-	if i == len {
-		return wymum(seed, len ^ wyp4)
-	}
-	mut see1 := seed
-	mut see2 := seed
-	mut see3 := seed
-	unsafe {
-		p = p + i
-		for i = len - i; i >= 64; i -= 64 {
-			seed = wymum(wyr8(p) ^ seed ^ wyp0, wyr8(p + 8) ^ seed ^ wyp1)
-			see1 = wymum(wyr8(p + 16) ^ see1 ^ wyp2, wyr8(p + 24) ^ see1 ^ wyp3)
-			see2 = wymum(wyr8(p + 32) ^ see2 ^ wyp1, wyr8(p + 40) ^ see2 ^ wyp2)
-			see3 = wymum(wyr8(p + 48) ^ see3 ^ wyp3, wyr8(p + 56) ^ see3 ^ wyp0)
-			p = p + 64
-		}
-	}
-	return wymum(seed ^ see1 ^ see2, see3 ^ len ^ wyp4)
-}
-
-[inline]
-fn wyrotr(v u64, k u32) u64 {
-	return (v>>k) | (v<<(64 - k))
-}
-
-[inline]
-pub fn wymum(a, b u64) u64 {
-	/*
-	mut r := u128(a)
-	r = r*b
-	return (r>>64)^r
-	*/
-	mask32 := u32(4294967295)
-	x0 := a & mask32
-	x1 := a>>32
-	y0 := b & mask32
-	y1 := b>>32
-	w0 := x0 * y0
-	t := x1 * y0 + (w0>>32)
-	mut w1 := t & mask32
-	w2 := t>>32
-	w1 += x0 * y1
-	hi := x1 * y1 + w2 + (w1>>32)
-	lo := a * b
-	return hi ^ lo
-}
-
-[inline]
-fn wyr3(p byteptr, k u64) u64 {
-	unsafe {
-		return (u64(p[0])<<16) | (u64(p[k>>1])<<8) | u64(p[k - 1])
-	}
-}
-
-[inline]
-fn wyr4(p byteptr) u64 {
-	unsafe {
-		return u32(p[0]) | (u32(p[1])<<u32(8)) | (u32(p[2])<<u32(16)) | (u32(p[3])<<u32(24))
-	}
-}
-
-[inline]
-fn wyr8(p byteptr) u64 {
-	unsafe {
-		return u64(p[0]) | (u64(p[1])<<8) | (u64(p[2])<<16) | (u64(p[3])<<24) | (u64(p[4])<<32) | (u64(p[5])<<40) | (u64(p[6])<<48) | (u64(p[7])<<56)
-	}
-}
diff --git a/vlib/rand/wyrand/wyrand.v b/vlib/rand/wyrand/wyrand.v
index 778b1de443..25d00eaaf1 100644
--- a/vlib/rand/wyrand/wyrand.v
+++ b/vlib/rand/wyrand/wyrand.v
@@ -5,7 +5,7 @@ module wyrand
 
 import math.bits
 import rand.util
-import hash.wyhash
+import hash as wyhash
 
 // Redefinition of some constants that we will need for pseudorandom number generation
 const (
diff --git a/vlib/v/builder/compile.v b/vlib/v/builder/compile.v
index ebafec3223..59775a4370 100644
--- a/vlib/v/builder/compile.v
+++ b/vlib/v/builder/compile.v
@@ -172,7 +172,7 @@ Did you forget to add vlib to the path? (Use @vlib for default vlib)')
 }
 
 pub fn (v &Builder) get_user_files() []string {
-	if v.pref.path in ['vlib/builtin', 'vlib/strconv', 'vlib/strings', 'vlib/hash', 'vlib/hash/wyhash'] {
+	if v.pref.path in ['vlib/builtin', 'vlib/strconv', 'vlib/strings', 'vlib/hash'] {
 		// This means we are building a builtin module with `v build-module vlib/strings` etc
 		// get_builtin_files() has already added the files in this module,
 		// do nothing here to avoid duplicate definition errors.
diff --git a/vlib/v/util/util.v b/vlib/v/util/util.v
index 2c5aa8a3c9..8f6dc947e2 100644
--- a/vlib/v/util/util.v
+++ b/vlib/v/util/util.v
@@ -12,7 +12,7 @@ pub const (
 
 // math.bits is needed by strconv.ftoa
 pub const (
-	builtin_module_parts = ['math.bits', 'strconv', 'strconv.ftoa', 'hash', 'hash.wyhash', 'strings',
+	builtin_module_parts = ['math.bits', 'strconv', 'strconv.ftoa', 'hash', 'strings',
 		'builtin',
 	]
 )