diff --git a/compiler/jsgen.v b/compiler/jsgen.v
index d752e3b52e..c20a4e2725 100644
--- a/compiler/jsgen.v
+++ b/compiler/jsgen.v
@@ -124,8 +124,8 @@ string res = tos2("");
 fn is_js_prim(typ string) bool {
 	return typ == 'int' || typ == 'string' ||
 	typ == 'bool' || typ == 'f32' || typ == 'f64' ||
-	typ == 'i8' || typ == 'i16' || typ == 'i32' || typ == 'i64' ||
-	typ == 'u8' || typ == 'u16' || typ == 'u32' || typ == 'u64'
+	typ == 'i8' || typ == 'i16' || typ == 'i64' ||
+	typ == 'u16' || typ == 'u32' || typ == 'u64'
 }
 
 fn (p mut Parser) decode_array(array_type string) string {
diff --git a/compiler/table.v b/compiler/table.v
index 61510f6d9e..4277e1c6f3 100644
--- a/compiler/table.v
+++ b/compiler/table.v
@@ -195,7 +195,7 @@ fn (t &Table) debug_fns() string {
 // fn (types array_Type) print_to_file(f string)  {
 // }
 const (
-	number_types = ['number', 'int', 'i8', 'u8', 'i16', 'u16', 'i32', 'u32', 'byte', 'i64', 'u64', 'f32', 'f64']
+	number_types = ['number', 'int', 'i8', 'i16', 'u16', 'u32', 'byte', 'i64', 'u64', 'f32', 'f64']
 	float_types  = ['f32', 'f64']
 )
 
@@ -218,12 +218,10 @@ fn new_table(obfuscate bool) *Table {
 	t.register_type('int')
 	t.register_type('size_t')
 	t.register_type_with_parent('i8', 'int')
-	t.register_type_with_parent('u8', 'u32')
+	t.register_type_with_parent('byte', 'int')
 	t.register_type_with_parent('i16', 'int')
 	t.register_type_with_parent('u16', 'u32')
-	t.register_type_with_parent('i32', 'int')
 	t.register_type_with_parent('u32', 'int')
-	t.register_type_with_parent('byte', 'int')
 	t.register_type_with_parent('i64', 'int')
 	t.register_type_with_parent('u64', 'u32')
 	t.register_type('byteptr')
@@ -650,9 +648,7 @@ fn type_default(typ string) string {
 	case 'string': return 'tos((byte *)"", 0)'
 	case 'i8': return '0'
 	case 'i16': return '0'
-	case 'i32': return '0'
 	case 'i64': return '0'
-	case 'u8': return '0'
 	case 'u16': return '0'
 	case 'u32': return '0'
 	case 'u64': return '0'
@@ -760,14 +756,14 @@ fn (table &Table) cgen_name_type_pair(name, typ string) string {
 fn is_valid_int_const(val, typ string) bool {
 	x := val.int()
 	switch typ {
-	case 'byte', 'u8': return 0 <= x && x <= math.MaxU8
+	case 'u8': return 0 <= x && x <= math.MaxU8
 	case 'u16': return 0 <= x && x <= math.MaxU16
 	//case 'u32': return 0 <= x && x <= math.MaxU32
 	//case 'u64': return 0 <= x && x <= math.MaxU64
 	//////////////
 	case 'i8': return math.MinI8 <= x && x <= math.MaxI8
 	case 'i16': return math.MinI16 <= x && x <= math.MaxI16
-	case 'int', 'i32': return math.MinI32 <= x && x <= math.MaxI32
+	case 'int': return math.MinI32 <= x && x <= math.MaxI32
 	//case 'i64':
 		//x64 := val.i64()
 		//return i64(-(1<<63)) <= x64 && x64 <= i64((1<<63)-1)
@@ -810,8 +806,8 @@ fn (p mut Parser) typ_to_fmt(typ string, level int) string {
 	case 'string': return '%.*s'
 	//case 'bool': return '%.*s'
 	case 'ustring': return '%.*s'
-	case 'byte', 'bool', 'int', 'char', 'byte', 'i32', 'i16', 'i8': return '%d'
-	case 'u8', 'u16', 'u32': return '%u'
+	case 'byte', 'bool', 'int', 'char', 'byte', 'i16', 'i8': return '%d'
+	case 'u16', 'u32': return '%u'
 	case 'f64', 'f32': return '%f'
 	case 'i64': return '%lld'
 	case 'u64': return '%llu'
diff --git a/vlib/builtin/int.v b/vlib/builtin/int.v
index 17890ab4e1..b8ebfe21a3 100644
--- a/vlib/builtin/int.v
+++ b/vlib/builtin/int.v
@@ -80,6 +80,7 @@ pub fn (nn u32) str() string {
 	return tos(buf + max - len, len)
 }
 
+/*
 pub fn (nn u8) str() string {
 	 mut n := nn
 	if n == u8(0) {
@@ -97,6 +98,7 @@ pub fn (nn u8) str() string {
 	}
 	return tos(buf + max - len, len)
 }
+*/
 
 pub fn (nn i64) str() string {
 	mut n := nn
diff --git a/vlib/builtin/int_test.v b/vlib/builtin/int_test.v
index b6fbb25e8d..179776ce16 100644
--- a/vlib/builtin/int_test.v
+++ b/vlib/builtin/int_test.v
@@ -1,22 +1,22 @@
 const (
 	a = 3
-	u = u64(1) 
-) 
+	u = u64(1)
+)
 
 fn test_const() {
-	b := (true && true) || false 
-	assert b == true 
-	assert a == 3 
-	assert u == u64(1) 
-} 
+	b := (true && true) || false
+	assert b == true
+	assert a == 3
+	assert u == u64(1)
+}
 
 fn test_str_methods() {
 	assert i8(1).str() == '1'
 	assert i8(-1).str() == '-1'
 	assert i16(1).str() == '1'
 	assert i16(-1).str() == '-1'
-	assert i32(1).str() == '1'
-	assert i32(-1).str() == '-1'
+	assert int(1).str() == '1'
+	assert int(-1).str() == '-1'
 	assert i64(1).str() == '1'
 	assert i64(-1).str() == '-1'
 
@@ -35,5 +35,5 @@ fn test_cmp() {
 	assert 1 ≠ 2
 	assert 1 ⩽ 2
 	assert 1 ⩾ 0
-} 
+}
 */
diff --git a/vlib/builtin/map_test.v b/vlib/builtin/map_test.v
index b14769c2f5..99adb3aa11 100644
--- a/vlib/builtin/map_test.v
+++ b/vlib/builtin/map_test.v
@@ -102,14 +102,6 @@ fn test_various_map_value() {
 	m4['test'] = i16(0)
 	assert m4['test'] == i16(0)
 	
-	mut m5 := map[string]i32
-	m5['test'] = i32(0)
-	assert m5['test'] == i32(0)
-	
-	mut m6 := map[string]u8
-	m6['test'] = u8(0)
-	assert m6['test'] == u8(0)
-	
 	mut m7 := map[string]u16
 	m7['test'] = u16(0)
 	assert m7['test'] == u16(0)
diff --git a/vlib/builtin/string.v b/vlib/builtin/string.v
index 6fd79f5e6d..81d5cc1dbb 100644
--- a/vlib/builtin/string.v
+++ b/vlib/builtin/string.v
@@ -132,9 +132,6 @@ pub fn (s string) int() int {
 	return C.atoi(s.str)
 }
 
-pub fn (s string) i32() i32 {
-	return C.atol(s.str)
-}
 
 pub fn (s string) i64() i64 {
 	return C.atoll(s.str)
@@ -501,7 +498,7 @@ pub fn (s string) to_upper() string {
 pub fn (s string) capitalize() string {
 	sl := s.to_lower()
     cap := sl[0].str().to_upper() + sl.right(1)
-	return cap 
+	return cap
 }
 
 pub fn (s string) title() string {
diff --git a/vlib/json/json_primitives.v b/vlib/json/json_primitives.v
index 9b62093160..bf16e2a87f 100644
--- a/vlib/json/json_primitives.v
+++ b/vlib/json/json_primitives.v
@@ -5,12 +5,12 @@
 module json
 
 #flag -I @VROOT/thirdparty/cJSON
-#flag @VROOT/thirdparty/cJSON/cJSON.o 
+#flag @VROOT/thirdparty/cJSON/cJSON.o
 #include "cJSON.h"
 
 struct C.cJSON {
 	valueint    int
-	valuedouble f32 
+	valuedouble f32
 	valuestring byteptr
 }
 
@@ -35,13 +35,6 @@ fn jsdecode_i16(root *C.cJSON) i16 {
 	return i16(root.valueint)
 }
 
-fn jsdecode_i32(root *C.cJSON) i32 {
-	if isnil(root) {
-		return i32(0)
-	}
-	return i32(root.valueint)
-}
-
 fn jsdecode_i64(root *C.cJSON) i64 {
 	if isnil(root) {
 		return i64(0)
@@ -49,11 +42,11 @@ fn jsdecode_i64(root *C.cJSON) i64 {
 	return i64(root.valuedouble) //i64 is double in C
 }
 
-fn jsdecode_u8(root *C.cJSON) u8 {
+fn jsdecode_byte(root *C.cJSON) byte {
 	if isnil(root) {
-		return u8(0)
+		return byte(0)
 	}
-	return u8(root.valueint)
+	return byte(root.valueint)
 }
 
 fn jsdecode_u16(root *C.cJSON) u16 {
@@ -124,15 +117,11 @@ fn jsencode_i16(val i16) *C.cJSON {
 	return C.cJSON_CreateNumber(val)
 }
 
-fn jsencode_i32(val i32) *C.cJSON {
-	return C.cJSON_CreateNumber(val)
-}
-
 fn jsencode_i64(val i64) *C.cJSON {
 	return C.cJSON_CreateNumber(val)
 }
 
-fn jsencode_u8(val u8) *C.cJSON {
+fn jsencode_byte(val byte) *C.cJSON {
 	return C.cJSON_CreateNumber(val)
 }