diff --git a/examples/sokol/sounds/wav_player.v b/examples/sokol/sounds/wav_player.v
index 303553333a..143769faf9 100644
--- a/examples/sokol/sounds/wav_player.v
+++ b/examples/sokol/sounds/wav_player.v
@@ -92,13 +92,13 @@ fn (mut p Player) free() {
 // > MUST be placed before the Sound data chunk (but not necessarily
 // > contiguous to the Sound data chunk).
 struct RIFFHeader {
-	riff      [4]byte
+	riff      [4]u8
 	file_size u32
-	form_type [4]byte
+	form_type [4]u8
 }
 
 struct RIFFChunkHeader {
-	chunk_type [4]byte
+	chunk_type [4]u8
 	chunk_size u32
 	chunk_data voidptr
 }
@@ -113,7 +113,7 @@ struct RIFFFormat {
 	cbsize                u16      // Size of the extension: 22
 	valid_bits_per_sample u16      // at most 8*M
 	channel_mask          u32      // Speaker position mask
-	sub_format            [16]byte // GUID
+	sub_format            [16]u8 // GUID
 }
 
 fn read_wav_file_samples(fpath string) ?[]f32 {
diff --git a/vlib/builtin/linux_bare/old/string_bare.v b/vlib/builtin/linux_bare/old/string_bare.v
index 5be89f2474..da4e117b6d 100644
--- a/vlib/builtin/linux_bare/old/string_bare.v
+++ b/vlib/builtin/linux_bare/old/string_bare.v
@@ -133,7 +133,7 @@ pub fn i64_str(n0 i64, base int) string {
 }
 
 pub fn ptr_str(ptr voidptr) string {
-	buf := [16]byte{}
+	buf := [16]u8{}
 	hex := i64_tos(buf, 15, i64(ptr), 16)
 	res := '0x' + hex
 	return res
diff --git a/vlib/json/json_primitives.v b/vlib/json/json_primitives.v
index 05689d6304..f8868b67e1 100644
--- a/vlib/json/json_primitives.v
+++ b/vlib/json/json_primitives.v
@@ -71,13 +71,6 @@ fn decode_i64(root &C.cJSON) i64 {
 	return i64(root.valuedouble) // i64 is double in C
 }
 
-fn decode_u8(root &C.cJSON) byte {
-	if isnil(root) {
-		return u8(0)
-	}
-	return u8(root.valueint)
-}
-
 fn decode_u8(root &C.cJSON) u8 {
 	if isnil(root) {
 		return u8(0)
@@ -168,10 +161,6 @@ fn encode_i64(val i64) &C.cJSON {
 	return C.cJSON_CreateNumber(val)
 }
 
-fn encode_u8(val byte) &C.cJSON {
-	return C.cJSON_CreateNumber(val)
-}
-
 fn encode_u8(val u8) &C.cJSON {
 	return C.cJSON_CreateNumber(val)
 }
diff --git a/vlib/net/address.v b/vlib/net/address.v
index 1513fd38d5..d8ab22fb6a 100644
--- a/vlib/net/address.v
+++ b/vlib/net/address.v
@@ -10,13 +10,13 @@ union AddrData {
 }
 
 const (
-	addr_ip6_any = [16]byte{init: u8(0)}
-	addr_ip_any  = [4]byte{init: u8(0)}
+	addr_ip6_any = [16]u8{init: u8(0)}
+	addr_ip_any  = [4]u8{init: u8(0)}
 )
 
-fn new_ip6(port u16, addr [16]byte) Addr {
+fn new_ip6(port u16, addr [16]u8) Addr {
 	a := Addr{
-		f: u16(AddrFamily.ip6)
+		f: u8(AddrFamily.ip6)
 		addr: AddrData{
 			Ip6: Ip6{
 				port: u16(C.htons(port))
@@ -29,9 +29,9 @@ fn new_ip6(port u16, addr [16]byte) Addr {
 	return a
 }
 
-fn new_ip(port u16, addr [4]byte) Addr {
+fn new_ip(port u16, addr [4]u8) Addr {
 	a := Addr{
-		f: u16(AddrFamily.ip)
+		f: u8(AddrFamily.ip)
 		addr: AddrData{
 			Ip: Ip{
 				port: u16(C.htons(port))
@@ -133,7 +133,7 @@ pub fn resolve_addrs(addr string, family AddrFamily, @type SocketType) ?[]Addr {
 
 			return [
 				Addr{
-					f: u16(AddrFamily.unix)
+					f: u8(AddrFamily.unix)
 					addr: AddrData{
 						Unix: resolved
 					}
diff --git a/vlib/net/address_android.c.v b/vlib/net/address_android.c.v
index 7f4149fcbc..38825cb2fd 100644
--- a/vlib/net/address_android.c.v
+++ b/vlib/net/address_android.c.v
@@ -38,20 +38,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_darwin.c.v b/vlib/net/address_darwin.c.v
index 041ccf2e2c..1bae1deb5d 100644
--- a/vlib/net/address_darwin.c.v
+++ b/vlib/net/address_darwin.c.v
@@ -21,7 +21,7 @@ mut:
 	sin6_family   byte     // 1
 	sin6_port     u16      // 2
 	sin6_flowinfo u32      // 4
-	sin6_addr     [16]byte // 16
+	sin6_addr     [16]u8 // 16
 	sin6_scope_id u32      // 4
 }
 
@@ -45,20 +45,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_dragonfly.c.v b/vlib/net/address_dragonfly.c.v
index a2ce22e354..3bb200ed33 100644
--- a/vlib/net/address_dragonfly.c.v
+++ b/vlib/net/address_dragonfly.c.v
@@ -26,7 +26,7 @@ mut:
 	sin6_family   byte     // 1
 	sin6_port     u16      // 2
 	sin6_flowinfo u32      // 4
-	sin6_addr     [16]byte // 16
+	sin6_addr     [16]u8 // 16
 	sin6_scope_id u32      // 4
 }
 
@@ -50,20 +50,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_freebsd.c.v b/vlib/net/address_freebsd.c.v
index bc84665a0f..72ad8b712a 100644
--- a/vlib/net/address_freebsd.c.v
+++ b/vlib/net/address_freebsd.c.v
@@ -24,7 +24,7 @@ mut:
 	sin6_family   byte     // 1
 	sin6_port     u16      // 2
 	sin6_flowinfo u32      // 4
-	sin6_addr     [16]byte // 16
+	sin6_addr     [16]u8 // 16
 	sin6_scope_id u32      // 4
 }
 
@@ -48,20 +48,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_linux.c.v b/vlib/net/address_linux.c.v
index 7f4149fcbc..38825cb2fd 100644
--- a/vlib/net/address_linux.c.v
+++ b/vlib/net/address_linux.c.v
@@ -38,20 +38,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_netbsd.c.v b/vlib/net/address_netbsd.c.v
index 8013bd35b8..6b85d8224a 100644
--- a/vlib/net/address_netbsd.c.v
+++ b/vlib/net/address_netbsd.c.v
@@ -26,7 +26,7 @@ mut:
 	sin6_family   byte     // 1
 	sin6_port     u16      // 2
 	sin6_flowinfo u32      // 4
-	sin6_addr     [16]byte // 16
+	sin6_addr     [16]u8 // 16
 	sin6_scope_id u32      // 4
 }
 
@@ -50,20 +50,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_openbsd.c.v b/vlib/net/address_openbsd.c.v
index bc84665a0f..72ad8b712a 100644
--- a/vlib/net/address_openbsd.c.v
+++ b/vlib/net/address_openbsd.c.v
@@ -24,7 +24,7 @@ mut:
 	sin6_family   byte     // 1
 	sin6_port     u16      // 2
 	sin6_flowinfo u32      // 4
-	sin6_addr     [16]byte // 16
+	sin6_addr     [16]u8 // 16
 	sin6_scope_id u32      // 4
 }
 
@@ -48,20 +48,20 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port u16
-	addr [4]byte
+	addr [4]u8
 	// Pad to size so that socket functions
 	// dont complain to us (see  in.h and bind())
 	// TODO(emily): I would really like to use
 	// some constant calculations here
 	// so that this doesnt have to be hardcoded
-	sin_pad [8]byte
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/address_windows.c.v b/vlib/net/address_windows.c.v
index aa3bdcc4a1..0b060ae209 100644
--- a/vlib/net/address_windows.c.v
+++ b/vlib/net/address_windows.c.v
@@ -38,15 +38,15 @@ mut:
 struct Ip6 {
 	port      u16
 	flow_info u32
-	addr      [16]byte
+	addr      [16]u8
 	scope_id  u32
 }
 
 [_pack: '1']
 struct Ip {
 	port    u16
-	addr    [4]byte
-	sin_pad [8]byte
+	addr    [4]u8
+	sin_pad [8]u8
 }
 
 struct Unix {
diff --git a/vlib/net/http/cookie.v b/vlib/net/http/cookie.v
index a0569c5579..e9536cd920 100644
--- a/vlib/net/http/cookie.v
+++ b/vlib/net/http/cookie.v
@@ -177,7 +177,7 @@ pub fn (c &Cookie) str() string {
 	return b.str()
 }
 
-fn sanitize(valid fn (byte) bool, v string) string {
+fn sanitize(valid fn (u8) bool, v string) string {
 	mut ok := true
 	for i in 0 .. v.len {
 		if valid(v[i]) {
@@ -222,11 +222,11 @@ fn sanitize_cookie_path(v string) string {
 	return sanitize(valid_cookie_path_byte, v)
 }
 
-fn valid_cookie_value_u8(b byte) bool {
+fn valid_cookie_value_byte(b u8) bool {
 	return 0x20 <= b && b < 0x7f && b != `"` && b != `;` && b != `\\`
 }
 
-fn valid_cookie_path_u8(b byte) bool {
+fn valid_cookie_path_byte(b u8) bool {
 	return 0x20 <= b && b < 0x7f && b != `!`
 }
 
@@ -300,7 +300,7 @@ fn parse_cookie_value(_raw string, allow_double_quote bool) ?string {
 		raw = raw.substr(1, raw.len - 1)
 	}
 	for i in 0 .. raw.len {
-		if !valid_cookie_value_u8(raw[i]) {
+		if !valid_cookie_value_byte(raw[i]) {
 			return error('http.cookie: invalid cookie value')
 		}
 	}
diff --git a/vlib/net/websocket/message.v b/vlib/net/websocket/message.v
index f19ea06fa5..237a1784e2 100644
--- a/vlib/net/websocket/message.v
+++ b/vlib/net/websocket/message.v
@@ -29,7 +29,7 @@ mut:
 	opcode      OPCode  // interpretation of the payload data
 	has_mask    bool    // true if the payload data is masked
 	payload_len int     // payload length
-	masking_key [4]byte // all frames from client to server is masked with this key
+	masking_key [4]u8 // all frames from client to server is masked with this key
 }
 
 const (
diff --git a/vlib/orm/orm.v b/vlib/orm/orm.v
index d65fe1cfcb..77823e823d 100644
--- a/vlib/orm/orm.v
+++ b/vlib/orm/orm.v
@@ -39,7 +39,6 @@ pub const (
 
 pub type Primitive = InfixType
 	| bool
-	| byte
 	| f32
 	| f64
 	| i16
@@ -51,6 +50,7 @@ pub type Primitive = InfixType
 	| u16
 	| u32
 	| u64
+	| u8
 
 pub enum OperationKind {
 	neq // !=
@@ -467,7 +467,7 @@ pub fn i64_to_primitive(b i64) Primitive {
 	return Primitive(b)
 }
 
-pub fn byte_to_primitive(b byte) Primitive {
+pub fn u8_to_primitive(b u8) Primitive {
 	return Primitive(b)
 }
 
diff --git a/vlib/pg/orm.v b/vlib/pg/orm.v
index 681e0025c7..37ff39e5d0 100644
--- a/vlib/pg/orm.v
+++ b/vlib/pg/orm.v
@@ -92,10 +92,10 @@ fn pg_stmt_match(mut types []u32, mut vals []&char, mut lens []int, mut formats
 			lens << int(sizeof(bool))
 			formats << 1
 		}
-		byte {
+		u8 {
 			types << u32(Oid.t_char)
-			vals << &char(&(d as byte))
-			lens << int(sizeof(byte))
+			vals << &char(&(d as u8))
+			lens << int(sizeof(u8))
 			formats << 1
 		}
 		u16 {
diff --git a/vlib/v/ast/table.v b/vlib/v/ast/table.v
index 818840703c..39e1f94dae 100644
--- a/vlib/v/ast/table.v
+++ b/vlib/v/ast/table.v
@@ -1405,7 +1405,7 @@ pub fn (mut t Table) complete_interface_check() {
 //
 // `123 > panic()`
 //
-// `128 > [16]byte`
+// `128 > [16]u8`
 //
 // `608 > [76]byte`
 pub fn (mut t Table) bitsize_to_type(bit_size int) Type {
diff --git a/vlib/v/tests/alias_fixed_array_test.v b/vlib/v/tests/alias_fixed_array_test.v
index f2acb606f3..9cc3c9c052 100644
--- a/vlib/v/tests/alias_fixed_array_test.v
+++ b/vlib/v/tests/alias_fixed_array_test.v
@@ -1,7 +1,7 @@
-type Block = [8]byte
+type Block = [8]u8
 
 fn test_alias_fixed_array() {
-	a := [8]byte{init: 22}
+	a := [8]u8{init: 22}
 	ret := get(Block(a))
 	println(ret)
 	assert ret == 'Block([22, 22, 22, 22, 22, 22, 22, 22])'