diff --git a/go.mod b/go.mod
index 5d2ec2c..9bc12e9 100644
--- a/go.mod
+++ b/go.mod
@@ -14,4 +14,4 @@ require (
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 )
 
-go 1.19
+go 1.20
diff --git a/string_bytes.go b/string_bytes.go
index c52d6bf..90745d5 100644
--- a/string_bytes.go
+++ b/string_bytes.go
@@ -2,21 +2,7 @@ package swag
 
 import "unsafe"
 
-type internalString struct {
-	Data unsafe.Pointer
-	Len  int
-}
-
 // hackStringBytes returns the (unsafe) underlying bytes slice of a string.
-func hackStringBytes(str string) []byte {
-	p := (*internalString)(unsafe.Pointer(&str)).Data
-	return unsafe.Slice((*byte)(p), len(str))
-}
-
-/*
- * go1.20 version (for when go mod moves to a go1.20 requirement):
-
 func hackStringBytes(str string) []byte {
 	return unsafe.Slice(unsafe.StringData(str), len(str))
 }
-*/