diff --git a/day4/main.go b/day4/main.go
index a491165..6ef985a 100644
--- a/day4/main.go
+++ b/day4/main.go
@@ -84,11 +84,6 @@ func HasOneDouble(i int) bool {
 	iStr := strconv.Itoa(i)
 
 	for len(iStr) >= 2 {
-		if iStr[0] != iStr[1] {
-			iStr = iStr[1:]
-			continue
-		}
-
 		i := 1
 		for len(iStr) > i && iStr[0] == iStr[i] {
 			i++
@@ -97,11 +92,6 @@ func HasOneDouble(i int) bool {
 		if i == 2 {
 			return true
 		}
-
-		if len(iStr) <= i {
-			return false
-		}
-
 		iStr = iStr[i:]
 	}
 	return false