diff --git a/tests/go/solutions/atoibaseprog/main.go b/tests/go/solutions/atoibaseprog/main.go
deleted file mode 100644
index a08e3220..00000000
--- a/tests/go/solutions/atoibaseprog/main.go
+++ /dev/null
@@ -1,55 +0,0 @@
-package main
-
-import "strings"
-
-var m = map[rune]struct{}{}
-
-func uniqueChar(s string) bool {
-	for _, r := range s {
-		if _, ok := m[r]; ok {
-			return false
-		}
-		m[r] = struct{}{}
-	}
-	return true
-}
-
-func validBase(base string) bool {
-	return len(base) >= 2 && !strings.ContainsAny(base, "+-") && uniqueChar(base)
-}
-
-func power(nbr int, pwr int) int {
-	if pwr == 0 {
-		return 1
-	}
-	if pwr == 1 {
-		return nbr
-	}
-	return nbr * power(nbr, pwr-1)
-}
-
-func AtoiBase(s string, base string) int {
-	var result int
-	var i int
-	sign := 1
-	length := len(s)
-
-	if !validBase(base) {
-		return 0
-	}
-	if s[i] == '-' {
-		sign = -1
-	}
-	if s[i] == '-' || s[i] == '+' {
-		i++
-	}
-	for i < len(s) {
-		result += strings.Index(base, s[i]) * power(len(base), length-1)
-		i++
-		length--
-	}
-	return result * sign
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/atoibaseprog/test_atoibaseprog.go b/tests/go/solutions/atoibaseprog/test_atoibaseprog.go
deleted file mode 100644
index 2bd43622..00000000
--- a/tests/go/solutions/atoibaseprog/test_atoibaseprog.go
+++ /dev/null
@@ -1,50 +0,0 @@
-package main
-
-import (
-	"./base"
-
-	"github.com/01-edu/z01"
-)
-
-// this is the function that creates the TESTS
-func main() {
-	type node struct {
-		s    string
-		base string
-	}
-
-	table := []node{}
-
-	// 5 random pairs of string numbers with valid bases
-	for i := 0; i < 5; i++ {
-		validBaseToInput := base.Valid()
-		val := node{
-			s:    base.StringFrom(validBaseToInput),
-			base: validBaseToInput,
-		}
-		table = append(table, val)
-	}
-	// 5 random pairs of string numbers with invalid bases
-	for i := 0; i < 5; i++ {
-		invalidBaseToInput := base.Invalid()
-		val := node{
-			s:    "thisinputshouldnotmatter",
-			base: invalidBaseToInput,
-		}
-		table = append(table, val)
-	}
-	table = append(table,
-		node{s: "125", base: "0123456789"},
-		node{s: "1111101", base: "01"},
-		node{s: "7D", base: "0123456789ABCDEF"},
-		node{s: "uoi", base: "choumi"},
-		node{s: "bbbbbab", base: "-ab"},
-	)
-	for _, arg := range table {
-		z01.ChallengeMain("atoibaseprog", arg.s, arg.base)
-	}
-	z01.ChallengeMain("atoibaseprog")
-	z01.ChallengeMain("atoibaseprog", "125", "0123456789", "something")
-}
-
-// TODO: fix base exercises
diff --git a/tests/go/solutions/atoiprog/main.go b/tests/go/solutions/atoiprog/main.go
deleted file mode 100644
index bb8f71db..00000000
--- a/tests/go/solutions/atoiprog/main.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package main
-
-import "strconv"
-
-func Atoi(s string) int {
-	n, _ := strconv.Atoi(s)
-	return n
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/atoiprog/test_atoiprog.go b/tests/go/solutions/atoiprog/test_atoiprog.go
deleted file mode 100644
index 1e8037fd..00000000
--- a/tests/go/solutions/atoiprog/test_atoiprog.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package main
-
-import (
-	"strconv"
-
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	table := make([]string, 30)
-	for i := range table {
-		table[i] = strconv.Itoa(z01.RandInt())
-	}
-	table = append(table,
-		strconv.Itoa(z01.MinInt),
-		strconv.Itoa(z01.MaxInt),
-		"",
-		"-",
-		"+",
-		"0",
-		"+0",
-		"-Invalid123",
-		"--123",
-		"-+123",
-		"++123",
-		"123-",
-		"123+",
-		"123.",
-		"123.0",
-		"123a45",
-	)
-	for _, arg := range table {
-		z01.Challenge("AtoiProg", Atoi, correct.Atoi, arg)
-	}
-}
diff --git a/tests/go/solutions/capitalizeprog/main.go b/tests/go/solutions/capitalizeprog/main.go
deleted file mode 100644
index f4de428a..00000000
--- a/tests/go/solutions/capitalizeprog/main.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strings"
-)
-
-func isAlphaNumerical(r rune) bool {
-	return (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') || (r >= '0' && r <= '9')
-}
-
-func isLowerRune(r rune) bool {
-	return r >= 'a' && r <= 'z'
-}
-
-func toUpperRune(r rune) rune {
-	if r >= 'a' && r <= 'z' {
-		return r - 32
-	}
-	return r
-}
-
-func capitalize(s string) string {
-	r := []rune(strings.ToLower(s))
-
-	if isLowerRune(r[0]) {
-		r[0] = toUpperRune(r[0])
-	}
-
-	for i := 1; i < len(r); i++ {
-		if (!isAlphaNumerical(r[i-1])) && (isLowerRune(r[i])) {
-			r[i] = toUpperRune(r[i])
-		}
-	}
-	return string(r)
-}
-
-func main() {
-	if len(os.Args) == 2 {
-		fmt.Println(capitalize(os.Args[1]))
-	} else if len(os.Args) > 2 {
-		fmt.Println("Too many arguments")
-	} else {
-		fmt.Println()
-	}
-}
diff --git a/tests/go/solutions/capitalizeprog/test_capitalizeprog.go b/tests/go/solutions/capitalizeprog/test_capitalizeprog.go
deleted file mode 100644
index 14e2a46c..00000000
--- a/tests/go/solutions/capitalizeprog/test_capitalizeprog.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	table := append(z01.MultRandASCII(),
-		"Hello! How are you? How+are+things+4you?",
-		"Hello! How are you?",
-		"a",
-		"z",
-		"!",
-		"9a",
-		"9a LALALA!",
-	)
-	for _, arg := range table {
-		z01.ChallengeMain("capitalizeprog", arg)
-	}
-	z01.ChallengeMain("capitalizeprog", "hello", "hihihi")
-	z01.ChallengeMain("capitalizeprog")
-}
diff --git a/tests/go/solutions/compareprog/main.go b/tests/go/solutions/compareprog/main.go
deleted file mode 100644
index 1a9c48d9..00000000
--- a/tests/go/solutions/compareprog/main.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strings"
-)
-
-func main() {
-	if len(os.Args) == 3 {
-		fmt.Println(compare(os.Args[1], os.Args[2]))
-	} else {
-		fmt.Println()
-	}
-}
-
-func compare(s string, toCompare string) int {
-	result := strings.Compare(s, toCompare)
-	return result
-}
diff --git a/tests/go/solutions/compareprog/test_compareprog.go b/tests/go/solutions/compareprog/test_compareprog.go
deleted file mode 100644
index afb5fe4e..00000000
--- a/tests/go/solutions/compareprog/test_compareprog.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	type node struct {
-		s         string
-		toCompare string
-	}
-
-	table := []node{}
-
-	// the first 7 values are returning 0 for this test
-	for i := 0; i < 7; i++ {
-		wordToTest := z01.RandASCII()
-
-		val := node{
-			s:         wordToTest,
-			toCompare: wordToTest,
-		}
-		table = append(table, val)
-	}
-
-	// the next 7 values are supposed to return 1 or -1 for this test
-	for i := 0; i < 7; i++ {
-		wordToTest := z01.RandASCII()
-		wrongMatch := z01.RandASCII()
-
-		table = append(table, node{
-			s:         wordToTest,
-			toCompare: wrongMatch,
-		})
-	}
-	// those are the test values from the README examples
-	table = append(table,
-		node{s: "Hello!", toCompare: "Hello!"},
-		node{s: "Salut!", toCompare: "lut!"},
-		node{s: "Ola!", toCompare: "Ol"},
-	)
-	for _, arg := range table {
-		z01.ChallengeMain("compareprog", arg.s, arg.toCompare)
-	}
-	z01.ChallengeMain("compareprog")
-	z01.ChallengeMain("compareprog", "1 arg", "2args", "3args")
-}
diff --git a/tests/go/solutions/doopprog/main.go b/tests/go/solutions/doopprog/main.go
deleted file mode 100644
index 7c887600..00000000
--- a/tests/go/solutions/doopprog/main.go
+++ /dev/null
@@ -1,58 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strconv"
-)
-
-func main() {
-	if len(os.Args) == 4 {
-		var result int
-		firstArg, err := strconv.Atoi(os.Args[1])
-
-		if err != nil {
-			fmt.Println(0)
-			return
-		}
-
-		operator := os.Args[2]
-		secondArg, err1 := strconv.Atoi(os.Args[3])
-
-		if err1 != nil {
-			fmt.Println(0)
-			return
-		}
-
-		if secondArg == 0 && operator == "/" {
-			fmt.Println("No division by 0")
-			return
-		} else if secondArg == 0 && operator == "%" {
-			fmt.Println("No modulo by 0")
-			return
-		} else if operator == "+" {
-			result = firstArg + secondArg
-			if !((result > firstArg) == (secondArg > 0)) {
-				fmt.Println(0)
-				return
-			}
-		} else if operator == "-" {
-			result = firstArg - secondArg
-			if !((result < firstArg) == (secondArg > 0)) {
-				fmt.Println(0)
-				return
-			}
-		} else if operator == "/" {
-			result = firstArg / secondArg
-		} else if operator == "*" {
-			result = firstArg * secondArg
-			if firstArg != 0 && (result/firstArg != secondArg) {
-				fmt.Println(0)
-				return
-			}
-		} else if operator == "%" {
-			result = firstArg % secondArg
-		}
-		fmt.Println(result)
-	}
-}
diff --git a/tests/go/solutions/doopprog/test_doopprog.go b/tests/go/solutions/doopprog/test_doopprog.go
deleted file mode 100644
index 2789b7e9..00000000
--- a/tests/go/solutions/doopprog/test_doopprog.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package main
-
-import (
-	"strings"
-
-	"strconv"
-
-	"github.com/01-edu/z01"
-)
-
-func main() {
-	operatorsTable := []string{"+", "-", "*", "/", "%"}
-
-	table := []string{}
-
-	for i := 0; i < 4; i++ {
-		firstArg := strconv.Itoa(z01.RandIntBetween(-1000, 1000))
-		secondArg := strconv.Itoa(z01.RandIntBetween(0, 1000))
-
-		for _, operator := range operatorsTable {
-			table = append(table, firstArg+" "+operator+" "+secondArg)
-
-		}
-	}
-
-	table = append(table, "1 + 1")
-	table = append(table, "hello + 1")
-	table = append(table, "1 p 1")
-	table = append(table, "1 # 1")
-	table = append(table, "1 / 0")
-	table = append(table, "1 % 0")
-	table = append(table, "1 * 1")
-	table = append(table, "1argument")
-	table = append(table, "2 arguments")
-	table = append(table, "4 arguments so invalid")
-	table = append(table, "9223372036854775807 + 1")
-	table = append(table, "9223372036854775809 - 3")
-	table = append(table, "9223372036854775807 * 3")
-
-	for _, s := range table {
-		z01.ChallengeMain("doopprog", strings.Fields(s)...)
-	}
-}
diff --git a/tests/go/solutions/firstruneprog/main.go b/tests/go/solutions/firstruneprog/main.go
deleted file mode 100644
index f9c6f667..00000000
--- a/tests/go/solutions/firstruneprog/main.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package main
-
-func FirstRune(s string) rune {
-	runes := []rune(s)
-	return runes[0]
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/firstruneprog/test_firstruneprog.go b/tests/go/solutions/firstruneprog/test_firstruneprog.go
deleted file mode 100644
index cbf9e6ff..00000000
--- a/tests/go/solutions/firstruneprog/test_firstruneprog.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	table := append(
-		z01.MultRandASCII(),
-		"Hello!",
-		"Salut!",
-		"Ola!",
-		"♥01",
-	)
-	for _, arg := range table {
-		z01.Challenge("FirstRuneProg", FirstRune, correct.FirstRune, arg)
-	}
-}
diff --git a/tests/go/solutions/foreachprog/main.go b/tests/go/solutions/foreachprog/main.go
deleted file mode 100644
index 1b699af2..00000000
--- a/tests/go/solutions/foreachprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-func ForEach(f func(int), a []int) {
-	for _, el := range a {
-		f(el)
-	}
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/foreachprog/test_foreachprog.go b/tests/go/solutions/foreachprog/test_foreachprog.go
deleted file mode 100644
index eaea6bef..00000000
--- a/tests/go/solutions/foreachprog/test_foreachprog.go
+++ /dev/null
@@ -1,51 +0,0 @@
-package main
-
-import (
-	"fmt"
-
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func add0(i int) {
-	fmt.Println(i)
-}
-func add1(i int) {
-	fmt.Println(i + 1)
-}
-func add2(i int) {
-	fmt.Println(i + 2)
-}
-func add3(i int) {
-	fmt.Println(i + 3)
-}
-
-func main() {
-	functions := []func(int){add0, add1, add2, add3}
-
-	type node struct {
-		f func(int)
-		a []int
-	}
-
-	table := []node{}
-
-	// 15 random slice of random ints with a random function from selection
-	for i := 0; i < 15; i++ {
-		function := functions[z01.RandIntBetween(0, len(functions)-1)]
-		table = append(table, node{
-			f: function,
-			a: z01.MultRandIntBetween(-1000000, 1000000),
-		})
-	}
-
-	table = append(table, node{
-		f: add0,
-		a: []int{1, 2, 3, 4, 5, 6},
-	})
-
-	for _, arg := range table {
-		z01.Challenge("ForEachProg", ForEach, correct.ForEach, arg.f, arg.a)
-	}
-}
diff --git a/tests/go/solutions/itoabaseprog/main.go b/tests/go/solutions/itoabaseprog/main.go
deleted file mode 100644
index 6a17b7e2..00000000
--- a/tests/go/solutions/itoabaseprog/main.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-
-	"github.com/01-edu/z01"
-
-	student "../../student"
-)
-
-func ItoaBase(value, base int) string {
-	if base < 2 || base > 16 {
-		return ""
-	}
-	return strings.ToUpper(strconv.FormatInt(int64(value), base))
-}
-
-func main() {
-	value := z01.RandIntBetween(-1000000, 1000000)
-	base := z01.RandIntBetween(2, 16)
-	fmt.Println(student.ItoaBase(141895, 11))
-
-	fmt.Println(ItoaBase(value, base))
-}
diff --git a/tests/go/solutions/itoabaseprog/test_itoabaseprog.go b/tests/go/solutions/itoabaseprog/test_itoabaseprog.go
deleted file mode 100644
index 08a550c6..00000000
--- a/tests/go/solutions/itoabaseprog/test_itoabaseprog.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	for i := 0; i < 30; i++ {
-		value := z01.RandIntBetween(-1000000, 1000000)
-		base := z01.RandIntBetween(2, 16)
-		z01.Challenge("ItoaBaseProg", ItoaBase, correct.ItoaBase, value, base)
-	}
-	for i := 0; i < 5; i++ {
-		base := z01.RandIntBetween(2, 16)
-		z01.Challenge("ItoaBaseProg", ItoaBase, correct.ItoaBase, z01.MaxInt, base)
-		z01.Challenge("ItoaBaseProg", ItoaBase, correct.ItoaBase, z01.MinInt, base)
-	}
-}
diff --git a/tests/go/solutions/itoaprog/main.go b/tests/go/solutions/itoaprog/main.go
deleted file mode 100644
index f55bf51b..00000000
--- a/tests/go/solutions/itoaprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-import "strconv"
-
-func Itoa(v int) string {
-	return strconv.Itoa(v)
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/itoaprog/test_itoaprog.go b/tests/go/solutions/itoaprog/test_itoaprog.go
deleted file mode 100644
index cf68959e..00000000
--- a/tests/go/solutions/itoaprog/test_itoaprog.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	for i := 0; i < 50; i++ {
-		arg := z01.RandIntBetween(-2000000000, 2000000000)
-		z01.Challenge("ItoaProg", Itoa, correct.Itoa, arg)
-	}
-}
diff --git a/tests/go/solutions/lastruneprog/main.go b/tests/go/solutions/lastruneprog/main.go
deleted file mode 100644
index b4a2d849..00000000
--- a/tests/go/solutions/lastruneprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-func LastRune(s string) rune {
-	runes := []rune(s)
-	index := len(runes) - 1
-	return runes[index]
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/lastruneprog/test_lastruneprog.go b/tests/go/solutions/lastruneprog/test_lastruneprog.go
deleted file mode 100644
index c98ffa19..00000000
--- a/tests/go/solutions/lastruneprog/test_lastruneprog.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	table := z01.MultRandASCII()
-	table = append(table,
-		"Hello!",
-		"Salut!",
-		"Ola!",
-		z01.RandStr(z01.RandIntBetween(1, 15), z01.RandAlnum()),
-	)
-	for _, arg := range table {
-		z01.Challenge("LastRuneProg", LastRune, correct.LastRune, arg)
-	}
-}
diff --git a/tests/go/solutions/listremoveifprog/main.go b/tests/go/solutions/listremoveifprog/main.go
deleted file mode 100644
index c26cb837..00000000
--- a/tests/go/solutions/listremoveifprog/main.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package main
-
-type NodeL struct {
-	Data interface{}
-	Next *NodeL
-}
-
-type List struct {
-	Head *NodeL
-	Tail *NodeL
-}
-
-// removes all elements that are equal to the data_ref
-func ListRemoveIf(l *List, data_ref interface{}) {
-	temp := l.Head
-	prev := l.Head
-
-	for temp != nil && temp.Data == data_ref {
-		l.Head = temp.Next
-		temp = l.Head
-	}
-	for temp != nil {
-		if temp.Data != data_ref {
-			prev = temp
-		}
-
-		prev.Next = temp.Next
-		temp = prev.Next
-	}
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/listremoveifprog/test_listremoveifprog.go b/tests/go/solutions/listremoveifprog/test_listremoveifprog.go
deleted file mode 100644
index 68e2c3bd..00000000
--- a/tests/go/solutions/listremoveifprog/test_listremoveifprog.go
+++ /dev/null
@@ -1,105 +0,0 @@
-package main
-
-import (
-	"strconv"
-
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-type Node10 = NodeL
-type List10 = correct.List
-type NodeS10 = correct.NodeL
-type ListS10 = List
-
-func listToStringStu12(l *ListS10) string {
-	var res string
-	it := l.Head
-	for it != nil {
-		switch it.Data.(type) {
-		case int:
-			res += strconv.Itoa(it.Data.(int)) + "-> "
-		case string:
-			res += it.Data.(string) + "-> "
-		}
-		it = it.Next
-	}
-	res += "<nil>"
-	return res
-}
-
-func listPushBackTest10(l1 *ListS10, l2 *List10, data interface{}) {
-	n := &Node10{Data: data}
-	n1 := &NodeS10{Data: data}
-	if l1.Head == nil {
-		l1.Head = n
-	} else {
-		iterator := l1.Head
-		for iterator.Next != nil {
-			iterator = iterator.Next
-		}
-		iterator.Next = n
-	}
-	if l2.Head == nil {
-		l2.Head = n1
-	} else {
-		iterator1 := l2.Head
-		for iterator1.Next != nil {
-			iterator1 = iterator1.Next
-		}
-		iterator1.Next = n1
-	}
-}
-
-func comparFuncList10(l1 *List10, l2 *ListS10, data interface{}) {
-	for l1.Head != nil || l2.Head != nil {
-		if (l1.Head == nil && l2.Head != nil) || (l1.Head != nil && l2.Head == nil) {
-			z01.Fatalf("\ndata used: %v\nstudent list:%s\nlist:%s\n\nListRemoveIf() == %v instead of %v\n\n",
-				data, listToStringStu12(l2), correct.ListToString(l1.Head), l2.Head, l1.Head)
-		}
-		if l1.Head.Data != l2.Head.Data {
-			z01.Fatalf("\ndata used: %v\nstudent list:%s\nlist:%s\n\nListRemoveIf() == %v instead of %v\n\n",
-				data, listToStringStu12(l2), correct.ListToString(l1.Head), l2.Head.Data, l1.Head.Data)
-		}
-		l1.Head = l1.Head.Next
-		l2.Head = l2.Head.Next
-	}
-}
-
-// removes all the elements that are equal to a value
-func main() {
-	link1 := &List10{}
-	link2 := &ListS10{}
-	table := []correct.NodeTest{}
-
-	table = correct.ElementsToTest(table)
-
-	table = append(table,
-		correct.NodeTest{
-			Data: []interface{}{"hello", "hello1", "hello2", "hello3"},
-		},
-	)
-
-	for _, arg := range table {
-		for i := 0; i < len(arg.Data); i++ {
-			listPushBackTest10(link2, link1, arg.Data[i])
-		}
-		aux := len(arg.Data) - 1
-
-		index := z01.RandIntBetween(0, aux)
-		if link1.Head != nil && link2.Head != nil {
-			cho := arg.Data[index]
-			ListRemoveIf(link2, cho)
-			correct.ListRemoveIf(link1, cho)
-			comparFuncList10(link1, link2, cho)
-		} else {
-			ListRemoveIf(link2, 1)
-			correct.ListRemoveIf(link1, 1)
-			comparFuncList10(link1, link2, 1)
-		}
-
-		link1 = &List10{}
-		link2 = &ListS10{}
-	}
-}
diff --git a/tests/go/solutions/listsizeprog/main.go b/tests/go/solutions/listsizeprog/main.go
deleted file mode 100644
index 1ee72192..00000000
--- a/tests/go/solutions/listsizeprog/main.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package main
-
-type NodeL struct {
-	Data interface{}
-	Next *NodeL
-}
-
-type List struct {
-	Head *NodeL
-	Tail *NodeL
-}
-
-func ListSize(l *List) int {
-	count := 0
-	iterator := l.Head
-	for iterator != nil {
-		count++
-		iterator = iterator.Next
-	}
-	return count
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/listsizeprog/test_listsizeprog.go b/tests/go/solutions/listsizeprog/test_listsizeprog.go
deleted file mode 100644
index 81f5c545..00000000
--- a/tests/go/solutions/listsizeprog/test_listsizeprog.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-type Node2 = NodeL
-type List2 = correct.List
-type NodeS2 = correct.NodeL
-type ListS2 = List
-
-func listPushBackTest2(l *ListS2, l1 *List2, data interface{}) {
-	n := &Node2{Data: data}
-	n1 := &NodeS2{Data: data}
-	if l.Head == nil {
-		l.Head = n
-	} else {
-		iterator := l.Head
-		for iterator.Next != nil {
-			iterator = iterator.Next
-		}
-		iterator.Next = n
-	}
-
-	if l1.Head == nil {
-		l1.Head = n1
-	} else {
-		iterator1 := l1.Head
-		for iterator1.Next != nil {
-			iterator1 = iterator1.Next
-		}
-		iterator1.Next = n1
-	}
-}
-
-func main() {
-	link := &List2{}
-	link2 := &ListS2{}
-	table := []correct.NodeTest{}
-	table = correct.ElementsToTest(table)
-	table = append(table,
-		correct.NodeTest{
-			Data: []interface{}{"Hello", "man", "how are you"},
-		},
-	)
-	for _, arg := range table {
-		for i := 0; i < len(arg.Data); i++ {
-			listPushBackTest2(link2, link, arg.Data[i])
-		}
-		aux := correct.ListSize(link)
-		aux2 := ListSize(link2)
-		if aux != aux2 {
-			z01.Fatalf("ListSize(%v) == %d instead of %d\n", correct.ListToString(link.Head), aux2, aux)
-		}
-		link = &List2{}
-		link2 = &ListS2{}
-	}
-}
diff --git a/tests/go/solutions/maxprog/main.go b/tests/go/solutions/maxprog/main.go
deleted file mode 100644
index 2b5e9b34..00000000
--- a/tests/go/solutions/maxprog/main.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-import "sort"
-
-func Max(a []int) int {
-	if len(a) == 0 {
-		return 0
-	}
-	sort.Ints(a)
-	return a[len(a)-1]
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/maxprog/test_maxprog.go b/tests/go/solutions/maxprog/test_maxprog.go
deleted file mode 100644
index 7f247ef1..00000000
--- a/tests/go/solutions/maxprog/test_maxprog.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	args := []int{z01.RandInt()}
-	limit := z01.RandIntBetween(20, 50)
-	for i := 0; i < limit; i++ {
-		args = append(args, z01.RandInt())
-	}
-
-	z01.Challenge("MaxProg", Max, correct.Max, args)
-}
diff --git a/tests/go/solutions/nruneprog/main.go b/tests/go/solutions/nruneprog/main.go
deleted file mode 100644
index 3b217118..00000000
--- a/tests/go/solutions/nruneprog/main.go
+++ /dev/null
@@ -1,38 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strconv"
-
-	correct ".."
-)
-
-func NRune(s string, n int) rune {
-	if n > len(s) || n < 1 {
-		return 0
-	}
-	runes := []rune(s)
-	return runes[n-1]
-}
-
-func main() {
-	if len(os.Args) != 3 {
-		return
-	}
-	val, err := strconv.Atoi(os.Args[2])
-
-	if err != nil {
-		fmt.Printf("\"%s\" is not an integer value\n", os.Args[2])
-		return
-	}
-
-	rune := correct.NRune(os.Args[1], val)
-
-	if rune == 0 {
-		fmt.Printf("Invalid position: \"%d\" in \"%s\"\n", val, os.Args[1])
-		return
-	}
-
-	fmt.Printf("%c\n", rune)
-}
diff --git a/tests/go/solutions/nruneprog/test_nruneprog.go b/tests/go/solutions/nruneprog/test_nruneprog.go
deleted file mode 100644
index 377dec48..00000000
--- a/tests/go/solutions/nruneprog/test_nruneprog.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package main
-
-import (
-	"math/rand"
-
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	type node struct {
-		word string
-		n    int
-	}
-
-	table := []node{}
-
-	for i := 0; i < 30; i++ {
-		wordToInput := z01.RandASCII()
-		val := node{
-			word: wordToInput,
-			n:    rand.Intn(len(wordToInput)) + 1,
-		}
-		table = append(table, val)
-	}
-
-	table = append(table,
-		node{word: "Hello!", n: 3},
-		node{word: "Salut!", n: 2},
-		node{word: "Ola!", n: 4},
-		node{word: "♥01!", n: 1},
-		node{word: "Not", n: 6},
-		node{word: "Also not", n: 9},
-		node{word: "Tree house", n: 5},
-		node{word: "Whatever", n: 0},
-		node{word: "Whatshisname", n: -2},
-	)
-
-	for _, arg := range table {
-		z01.Challenge("NRuneProg", NRune, correct.NRune, arg.word, arg.n)
-	}
-}
diff --git a/tests/go/solutions/printalphabetprog/main.go b/tests/go/solutions/printalphabetprog/main.go
deleted file mode 100644
index ba71b1b2..00000000
--- a/tests/go/solutions/printalphabetprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-import "fmt"
-
-func main() {
-	for r := 'a'; r <= 'z'; r++ {
-		fmt.Print(r)
-	}
-	fmt.Println()
-}
diff --git a/tests/go/solutions/printalphabetprog/test_printalphabetprog.go b/tests/go/solutions/printalphabetprog/test_printalphabetprog.go
deleted file mode 100644
index 4c9fc243..00000000
--- a/tests/go/solutions/printalphabetprog/test_printalphabetprog.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	z01.ChallengeMain("printalphabetprog")
-}
diff --git a/tests/go/solutions/printcombprog/main.go b/tests/go/solutions/printcombprog/main.go
deleted file mode 100644
index 52df7fe2..00000000
--- a/tests/go/solutions/printcombprog/main.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func printComb() {
-	for i := '0'; i <= '7'; i++ {
-		for j := i + 1; j <= '8'; j++ {
-			for k := j + 1; k <= '9'; k++ {
-				z01.PrintRune(i)
-				z01.PrintRune(j)
-				z01.PrintRune(k)
-				if i < '7' {
-					z01.PrintRune(',')
-					z01.PrintRune(' ')
-				} else {
-					z01.PrintRune('\n')
-				}
-			}
-		}
-	}
-}
-
-func main() {
-	printComb()
-}
diff --git a/tests/go/solutions/printcombprog/test_printcombprog.go b/tests/go/solutions/printcombprog/test_printcombprog.go
deleted file mode 100644
index 1493a3dc..00000000
--- a/tests/go/solutions/printcombprog/test_printcombprog.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	z01.ChallengeMain("printcombprog")
-}
diff --git a/tests/go/solutions/printdigitsprog/main.go b/tests/go/solutions/printdigitsprog/main.go
deleted file mode 100644
index e2df9aa1..00000000
--- a/tests/go/solutions/printdigitsprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	for i := '0'; i <= '9'; i++ {
-		z01.PrintRune(i)
-	}
-	z01.PrintRune('\n')
-}
diff --git a/tests/go/solutions/printdigitsprog/test_printdigitsprog.go b/tests/go/solutions/printdigitsprog/test_printdigitsprog.go
deleted file mode 100644
index fd71b1f5..00000000
--- a/tests/go/solutions/printdigitsprog/test_printdigitsprog.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	z01.ChallengeMain("printdigitsprog")
-}
diff --git a/tests/go/solutions/printreversealphabetprog/main.go b/tests/go/solutions/printreversealphabetprog/main.go
deleted file mode 100644
index 3a1e62ce..00000000
--- a/tests/go/solutions/printreversealphabetprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-import "fmt"
-
-func main() {
-	for r := 'z'; r >= 'a'; r-- {
-		fmt.Print(r)
-	}
-	fmt.Println()
-}
diff --git a/tests/go/solutions/printreversealphabetprog/test_printreversealphabetprog.go b/tests/go/solutions/printreversealphabetprog/test_printreversealphabetprog.go
deleted file mode 100644
index 5277d8f1..00000000
--- a/tests/go/solutions/printreversealphabetprog/test_printreversealphabetprog.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	z01.ChallengeMain("printreversealphabetprog")
-}
diff --git a/tests/go/solutions/printstrprog/main.go b/tests/go/solutions/printstrprog/main.go
deleted file mode 100644
index 19995116..00000000
--- a/tests/go/solutions/printstrprog/main.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-)
-
-func main() {
-	if len(os.Args) != 2 {
-		return
-	}
-
-	fmt.Println(os.Args[1])
-}
diff --git a/tests/go/solutions/printstrprog/test_printstrprog.go b/tests/go/solutions/printstrprog/test_printstrprog.go
deleted file mode 100644
index b6643cb5..00000000
--- a/tests/go/solutions/printstrprog/test_printstrprog.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	table := z01.MultRandASCII()
-	for _, arg := range table {
-		z01.ChallengeMain("printstrprog", arg)
-	}
-	z01.ChallengeMain("printstrprog", "Hello World!")
-}
diff --git a/tests/go/solutions/rot14prog/main.go b/tests/go/solutions/rot14prog/main.go
deleted file mode 100644
index 22dd40e7..00000000
--- a/tests/go/solutions/rot14prog/main.go
+++ /dev/null
@@ -1,32 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-)
-
-func main() {
-	if len(os.Args) != 2 {
-		return
-	}
-
-	var result string
-
-	for _, r := range os.Args[1] {
-		if r >= 'a' && r <= 'z' {
-			if r >= 'm' {
-				r -= 12
-			} else {
-				r += 14
-			}
-		} else if r >= 'A' && r <= 'Z' {
-			if r >= 'M' {
-				r -= 12
-			} else {
-				r += 14
-			}
-		}
-		result += string(r)
-	}
-	fmt.Println(result)
-}
diff --git a/tests/go/solutions/rot14prog/test_rot14prog.go b/tests/go/solutions/rot14prog/test_rot14prog.go
deleted file mode 100644
index ec8cf862..00000000
--- a/tests/go/solutions/rot14prog/test_rot14prog.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	table := append(z01.MultRandWords(),
-		z01.MultRandWords()...,
-	)
-
-	for _, arg := range table {
-		z01.ChallengeMain("rot14prog", arg)
-	}
-	z01.ChallengeMain("rot14prog", "", "something", "something1")
-}
diff --git a/tests/go/solutions/sortwordarrprog/main.go b/tests/go/solutions/sortwordarrprog/main.go
deleted file mode 100644
index bb7fb236..00000000
--- a/tests/go/solutions/sortwordarrprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-import "sort"
-
-func SortWordArr(a []string) {
-	sort.Strings(a)
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/sortwordarrprog/test_sortwordarrprog.go b/tests/go/solutions/sortwordarrprog/test_sortwordarrprog.go
deleted file mode 100644
index 2f642cff..00000000
--- a/tests/go/solutions/sortwordarrprog/test_sortwordarrprog.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package main
-
-import (
-	"reflect"
-
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	table := [][]string{{"a", "A", "1", "b", "B", "2", "c", "C", "3"}}
-
-	for i := 0; i < 15; i++ {
-		table = append(table, z01.MultRandWords())
-	}
-
-	for _, org := range table {
-		// copy for using the solution function
-		cp_sol := make([]string, len(org))
-		// copy for using the student function
-		cp_stu := make([]string, len(org))
-
-		copy(cp_sol, org)
-		copy(cp_stu, org)
-
-		correct.SortWordArr(cp_sol)
-		SortWordArr(cp_stu)
-
-		if !reflect.DeepEqual(cp_stu, cp_sol) {
-			z01.Fatalf("%s(%v) == %v instead of %v\n",
-				"SortWordArr",
-				org,
-				cp_stu,
-				cp_sol,
-			)
-		}
-	}
-}
diff --git a/tests/go/solutions/splitprog/main.go b/tests/go/solutions/splitprog/main.go
deleted file mode 100644
index 1ed9c093..00000000
--- a/tests/go/solutions/splitprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-import "strings"
-
-func Split(s, sep string) []string {
-	return strings.Split(s, sep)
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/splitprog/test_splitprog.go b/tests/go/solutions/splitprog/test_splitprog.go
deleted file mode 100644
index 65c247ca..00000000
--- a/tests/go/solutions/splitprog/test_splitprog.go
+++ /dev/null
@@ -1,46 +0,0 @@
-package main
-
-import (
-	"math/rand"
-	"strings"
-
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	separators := []string{
-		"!=HA=!",
-		"!==!",
-		"    ",
-		"|=choumi=|",
-		"|<=>|",
-		z01.RandStr(3, z01.RuneRange('A', 'Z')),
-		"<<==123==>>",
-		"[<>abc<>]",
-	}
-
-	type node struct {
-		str string
-		sep string
-	}
-	table := []node{}
-	// 15 random slice of strings
-
-	for i := 0; i < 15; i++ {
-		separator := separators[rand.Intn(len(separators))]
-		val := node{
-			str: strings.Join(z01.MultRandAlnum(), separator),
-			sep: separator,
-		}
-		table = append(table, val)
-	}
-
-	table = append(table,
-		node{str: "HelloHAhowHAareHAyou?", sep: "HA"})
-
-	for _, arg := range table {
-		z01.Challenge("SplitProg", Split, correct.Split, arg.str, arg.sep)
-	}
-}
diff --git a/tests/go/solutions/strlenprog/main.go b/tests/go/solutions/strlenprog/main.go
deleted file mode 100644
index a6d33e79..00000000
--- a/tests/go/solutions/strlenprog/main.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-func StrLen(str string) int {
-	len := 0
-
-	strConverted := []rune(str)
-	for i := range strConverted {
-		len = i + 1
-	}
-	return len
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/strlenprog/test_strlenprog.go b/tests/go/solutions/strlenprog/test_strlenprog.go
deleted file mode 100644
index ebda581f..00000000
--- a/tests/go/solutions/strlenprog/test_strlenprog.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package main
-
-import (
-	"github.com/01-edu/z01"
-
-	correct "./correct"
-)
-
-func main() {
-	randomStringCharset := "a b c d e f g h ijklmnopqrstuvwxyz A B C D E FGHIJKLMNOPRSTUVWXYZ"
-
-	table := []string{}
-	for i := 0; i < 10; i++ {
-		randomLenghtOfWord := z01.RandIntBetween(1, 20)
-		randomStrRandomLenght := z01.RandStr(randomLenghtOfWord, randomStringCharset)
-		table = append(table, randomStrRandomLenght)
-	}
-	table = append(table, "Héllo!")
-	table = append(table, randomStringCharset)
-
-	for _, s := range table {
-		z01.Challenge("StrLenProg", StrLen, correct.StrLen, s)
-	}
-}
diff --git a/tests/go/solutions/strrevprog/main.go b/tests/go/solutions/strrevprog/main.go
deleted file mode 100644
index 9276bc3b..00000000
--- a/tests/go/solutions/strrevprog/main.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-)
-
-func main() {
-	if len(os.Args) != 2 {
-		return
-	}
-
-	fmt.Println(correct.StrRev(os.Args[1]))
-}
diff --git a/tests/go/solutions/strrevprog/test_strrevprog.go b/tests/go/solutions/strrevprog/test_strrevprog.go
deleted file mode 100644
index fde5fa92..00000000
--- a/tests/go/solutions/strrevprog/test_strrevprog.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	table := append(z01.MultRandASCII(),
-		"Hello!",
-		"Bonjour!",
-		"Hola!",
-	)
-	for _, arg := range table {
-		z01.ChallengeMain("strrevprog", arg)
-	}
-}
diff --git a/tests/go/solutions/swapprog/main.go b/tests/go/solutions/swapprog/main.go
deleted file mode 100644
index 031538bc..00000000
--- a/tests/go/solutions/swapprog/main.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package main
-
-func Swap(a, b *int) {
-	temp := *a
-	*a = *b
-	*b = temp
-}
-
-func main() {
-}
diff --git a/tests/go/solutions/swapprog/test_swapprog.go b/tests/go/solutions/swapprog/test_swapprog.go
deleted file mode 100644
index c3751e47..00000000
--- a/tests/go/solutions/swapprog/test_swapprog.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package main
-
-import "github.com/01-edu/z01"
-
-func main() {
-	i := 0
-	for i < 30 {
-		a := z01.RandInt()
-		b := z01.RandInt()
-		aCopy := a
-		bCopy := b
-		Swap(&a, &b)
-		if a != bCopy {
-			z01.Fatalf("Swap(%d, %d), a == %d instead of %d", aCopy, bCopy, a, bCopy)
-		}
-		if b != aCopy {
-			z01.Fatalf("Swap(%d, %d), b == %d instead of %d", aCopy, bCopy, b, aCopy)
-		}
-		i++
-	}
-}