diff --git a/internal/captcha/instance.go b/internal/captcha/instance.go
deleted file mode 100644
index 946a818..0000000
--- a/internal/captcha/instance.go
+++ /dev/null
@@ -1,38 +0,0 @@
-package captcha
-
-import (
-	"image"
-	"justcaptcha/pkg/captcha"
-	"time"
-)
-
-var captchaDb captcha.CaptchaDB
-
-func Init(expiry time.Duration) {
-	captchaDb = captcha.NewInMemoryCaptchaDB(expiry)
-}
-
-func New(data string) (captcha.Captcha, captcha.ID) {
-	dc := NewDwellingCaptcha(captchaDb.GetExpiry())
-	return captchaDb.New(data, dc)
-}
-
-func Image(id captcha.ID, style string) (*image.Image, error) {
-	return captchaDb.Image(id, style)
-}
-
-func Solve(id captcha.ID, answer captcha.Answer) (bool, error) {
-	return captchaDb.Solve(id, answer)
-}
-
-func IsSolved(id captcha.ID) (bool, error) {
-	return captchaDb.IsSolved(id)
-}
-
-func Remove(id captcha.ID) error {
-	return captchaDb.Remove(id)
-}
-
-func GetExpiry() time.Duration {
-	return captchaDb.GetExpiry()
-}