diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9557f3738..6804d94826 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## V 0.1.30
 *28 Nov 2020*
 (V 0.2 RC)
+- Builtin compile-time JSON serializer now supports `time.Time`
 TODO
 
 ## V 0.1.27
diff --git a/vlib/math/big/big.v b/vlib/math/big/big.v
index d6c3f6334a..0df769cc2a 100644
--- a/vlib/math/big/big.v
+++ b/vlib/math/big/big.v
@@ -106,18 +106,6 @@ pub fn from_string(input string) Number {
 	return n
 }
 
-pub fn from_string2(input string) Number {
-	mut n := Number{}
-	C.bignum_init(&n)
-	if input.len == 0 {
-		return from_int(0)
-	}
-	for i, c in input {
-		n.array[i] = u32(c - `0`)
-	}
-	return n
-}
-
 pub fn (n Number) int() int {
 	r := C.bignum_to_int(&n)
 	return r
@@ -156,31 +144,31 @@ pub fn (n Number) hexstr() string {
 
 // //////////////////////////////////////////////////////////
 // overloaded ops for the numbers:
-pub fn (a Number) +(b Number) Number {
+pub fn (a Number) + (b Number) Number {
 	c := Number{}
 	C.bignum_add(&a, &b, &c)
 	return c
 }
 
-pub fn (a Number) -(b Number) Number {
+pub fn (a Number) - (b Number) Number {
 	c := Number{}
 	C.bignum_sub(&a, &b, &c)
 	return c
 }
 
-pub fn (a Number) *(b Number) Number {
+pub fn (a Number) * (b Number) Number {
 	c := Number{}
 	C.bignum_mul(&a, &b, &c)
 	return c
 }
 
-pub fn (a Number) /(b Number) Number {
+pub fn (a Number) / (b Number) Number {
 	c := Number{}
 	C.bignum_div(&a, &b, &c)
 	return c
 }
 
-pub fn (a Number) %(b Number) Number {
+pub fn (a Number) % (b Number) Number {
 	c := Number{}
 	C.bignum_mod(&a, &b, &c)
 	return c
diff --git a/vlib/math/big/big_test.v b/vlib/math/big/big_test.v
index 5b24961ee6..da550160d1 100644
--- a/vlib/math/big/big_test.v
+++ b/vlib/math/big/big_test.v
@@ -78,10 +78,6 @@ fn test_mod() {
 }
 
 fn test_from_str() {
-	x := big.from_string2('23')
-	println('kek')
-	println(x.str())
-	exit(0)
 	assert big.from_string('').hexstr() == '0'
 	assert big.from_string('1').hexstr() == '1'
 	assert big.from_string('0').hexstr() == '0'