diff --git a/vlib/builtin/string.v b/vlib/builtin/string.v
index dd090b94b9..77e747f814 100644
--- a/vlib/builtin/string.v
+++ b/vlib/builtin/string.v
@@ -2868,20 +2868,16 @@ pub fn (s string) hex() string {
 
 @[unsafe]
 fn data_to_hex_string(data &u8, len int) string {
-	mut hex := unsafe { malloc_noscan(u64(len) * 2 + 1) }
+	mut hex := malloc_noscan(u64(len) * 2 + 1)
 	mut dst := 0
 	for c in 0 .. len {
 		b := data[c]
 		n0 := b >> 4
 		n1 := b & 0xF
-		unsafe {
-			hex[dst] = if n0 < 10 { n0 + `0` } else { n0 + `W` }
-			hex[dst + 1] = if n1 < 10 { n1 + `0` } else { n1 + `W` }
-		}
+		hex[dst] = if n0 < 10 { n0 + `0` } else { n0 + `W` }
+		hex[dst + 1] = if n1 < 10 { n1 + `0` } else { n1 + `W` }
 		dst += 2
 	}
-	unsafe {
-		hex[dst] = 0
-		return tos(hex, dst)
-	}
+	hex[dst] = 0
+	return tos(hex, dst)
 }