diff --git a/browser/chromium/chromium_darwin.go b/browser/chromium/chromium_darwin.go
index 549b4be..f2e8a3e 100644
--- a/browser/chromium/chromium_darwin.go
+++ b/browser/chromium/chromium_darwin.go
@@ -24,7 +24,7 @@ var (
 
 func (c *Chromium) GetMasterKey() ([]byte, error) {
 	// don't need chromium key file for macOS
-	defer os.Remove(item.TempChromiumKey)
+	_ = os.Remove(item.TempChromiumKey)
 	// Get the master key from the keychain
 	// $ security find-generic-password -wa 'Chrome'
 	var (
diff --git a/browser/chromium/chromium_linux.go b/browser/chromium/chromium_linux.go
index da23500..af0310c 100644
--- a/browser/chromium/chromium_linux.go
+++ b/browser/chromium/chromium_linux.go
@@ -18,7 +18,7 @@ import (
 func (c *Chromium) GetMasterKey() ([]byte, error) {
 	// what is d-bus @https://dbus.freedesktop.org/
 	// don't need chromium key file for Linux
-	defer os.Remove(item.TempChromiumKey)
+	_ = os.Remove(item.TempChromiumKey)
 
 	conn, err := dbus.SessionBus()
 	if err != nil {
diff --git a/browser/chromium/chromium_windows.go b/browser/chromium/chromium_windows.go
index cee9a0b..dda77ed 100644
--- a/browser/chromium/chromium_windows.go
+++ b/browser/chromium/chromium_windows.go
@@ -22,7 +22,7 @@ func (c *Chromium) GetMasterKey() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer os.Remove(item.TempChromiumKey)
+	_ = os.Remove(item.TempChromiumKey)
 
 	encryptedKey := gjson.Get(b, "os_crypt.encrypted_key")
 	if !encryptedKey.Exists() {
diff --git a/browsingdata/bookmark/bookmark.go b/browsingdata/bookmark/bookmark.go
index 364359b..17ab42f 100644
--- a/browsingdata/bookmark/bookmark.go
+++ b/browsingdata/bookmark/bookmark.go
@@ -31,7 +31,7 @@ func (c *ChromiumBookmark) Parse(_ []byte) error {
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempChromiumBookmark)
+	_ = os.Remove(item.TempChromiumBookmark)
 	r := gjson.Parse(bookmarks)
 	if r.Exists() {
 		roots := r.Get("roots")
@@ -94,11 +94,11 @@ const (
 )
 
 func (f *FirefoxBookmark) Parse(_ []byte) error {
+	defer os.Remove(item.TempFirefoxBookmark)
 	db, err := sql.Open("sqlite3", item.TempFirefoxBookmark)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempFirefoxBookmark)
 	defer db.Close()
 	_, err = db.Exec(closeJournalMode)
 	if err != nil {
diff --git a/browsingdata/cookie/cookie.go b/browsingdata/cookie/cookie.go
index 505a4fd..f13bec5 100644
--- a/browsingdata/cookie/cookie.go
+++ b/browsingdata/cookie/cookie.go
@@ -36,11 +36,11 @@ const (
 )
 
 func (c *ChromiumCookie) Parse(masterKey []byte) error {
+	defer os.Remove(item.TempChromiumCookie)
 	db, err := sql.Open("sqlite3", item.TempChromiumCookie)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempChromiumCookie)
 	defer db.Close()
 	rows, err := db.Query(queryChromiumCookie)
 	if err != nil {
@@ -104,11 +104,11 @@ const (
 )
 
 func (f *FirefoxCookie) Parse(_ []byte) error {
+	defer os.Remove(item.TempFirefoxCookie)
 	db, err := sql.Open("sqlite3", item.TempFirefoxCookie)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempFirefoxCookie)
 	defer db.Close()
 
 	rows, err := db.Query(queryFirefoxCookie)
diff --git a/browsingdata/creditcard/creditcard.go b/browsingdata/creditcard/creditcard.go
index e48f2ea..cc55cd1 100644
--- a/browsingdata/creditcard/creditcard.go
+++ b/browsingdata/creditcard/creditcard.go
@@ -29,11 +29,11 @@ const (
 )
 
 func (c *ChromiumCreditCard) Parse(masterKey []byte) error {
+	defer os.Remove(item.TempChromiumCreditCard)
 	db, err := sql.Open("sqlite3", item.TempChromiumCreditCard)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempChromiumCreditCard)
 	defer db.Close()
 
 	rows, err := db.Query(queryChromiumCredit)
@@ -85,11 +85,11 @@ func (c *ChromiumCreditCard) Len() int {
 type YandexCreditCard []card
 
 func (c *YandexCreditCard) Parse(masterKey []byte) error {
+	defer os.Remove(item.TempYandexCreditCard)
 	db, err := sql.Open("sqlite3", item.TempYandexCreditCard)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempYandexCreditCard)
 	defer db.Close()
 	rows, err := db.Query(queryChromiumCredit)
 	if err != nil {
diff --git a/browsingdata/download/download.go b/browsingdata/download/download.go
index b9b24c2..aaa5bfa 100644
--- a/browsingdata/download/download.go
+++ b/browsingdata/download/download.go
@@ -32,11 +32,11 @@ const (
 )
 
 func (c *ChromiumDownload) Parse(_ []byte) error {
+	defer os.Remove(item.TempChromiumDownload)
 	db, err := sql.Open("sqlite3", item.TempChromiumDownload)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempChromiumDownload)
 	defer db.Close()
 	rows, err := db.Query(queryChromiumDownload)
 	if err != nil {
@@ -83,11 +83,11 @@ const (
 )
 
 func (f *FirefoxDownload) Parse(_ []byte) error {
+	defer os.Remove(item.TempFirefoxDownload)
 	db, err := sql.Open("sqlite3", item.TempFirefoxDownload)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempFirefoxDownload)
 	defer db.Close()
 
 	_, err = db.Exec(closeJournalMode)
diff --git a/browsingdata/history/history.go b/browsingdata/history/history.go
index eafc8bf..a106ff3 100644
--- a/browsingdata/history/history.go
+++ b/browsingdata/history/history.go
@@ -28,11 +28,11 @@ const (
 )
 
 func (c *ChromiumHistory) Parse(_ []byte) error {
+	defer os.Remove(item.TempChromiumHistory)
 	db, err := sql.Open("sqlite3", item.TempChromiumHistory)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempChromiumHistory)
 	defer db.Close()
 
 	rows, err := db.Query(queryChromiumHistory)
@@ -79,18 +79,17 @@ const (
 )
 
 func (f *FirefoxHistory) Parse(_ []byte) error {
+	defer os.Remove(item.TempFirefoxHistory)
 	db, err := sql.Open("sqlite3", item.TempFirefoxHistory)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempFirefoxHistory)
 	defer db.Close()
 
 	_, err = db.Exec(closeJournalMode)
 	if err != nil {
 		return err
 	}
-	defer db.Close()
 	rows, err := db.Query(queryFirefoxHistory)
 	if err != nil {
 		return err
diff --git a/browsingdata/localstorage/localstorage.go b/browsingdata/localstorage/localstorage.go
index 37cf7fe..6ade3e2 100644
--- a/browsingdata/localstorage/localstorage.go
+++ b/browsingdata/localstorage/localstorage.go
@@ -29,11 +29,11 @@ type storage struct {
 const maxLocalStorageValueLength = 1024 * 2
 
 func (c *ChromiumLocalStorage) Parse(_ []byte) error {
+	defer os.RemoveAll(item.TempChromiumLocalStorage)
 	db, err := leveldb.OpenFile(item.TempChromiumLocalStorage, nil)
 	if err != nil {
 		return err
 	}
-	defer os.RemoveAll(item.TempChromiumLocalStorage)
 	defer db.Close()
 
 	iter := db.NewIterator(nil, nil)
@@ -106,11 +106,11 @@ const (
 )
 
 func (f *FirefoxLocalStorage) Parse(_ []byte) error {
+	defer os.Remove(item.TempFirefoxLocalStorage)
 	db, err := sql.Open("sqlite3", item.TempFirefoxLocalStorage)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempFirefoxLocalStorage)
 	defer db.Close()
 
 	_, err = db.Exec(closeJournalMode)
diff --git a/browsingdata/password/password.go b/browsingdata/password/password.go
index 837e4ad..11735e4 100644
--- a/browsingdata/password/password.go
+++ b/browsingdata/password/password.go
@@ -34,11 +34,11 @@ const (
 )
 
 func (c *ChromiumPassword) Parse(masterKey []byte) error {
+	defer os.Remove(item.TempChromiumPassword)
 	db, err := sql.Open("sqlite3", item.TempChromiumPassword)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempChromiumPassword)
 	defer db.Close()
 
 	rows, err := db.Query(queryChromiumLogin)
@@ -101,11 +101,11 @@ const (
 )
 
 func (c *YandexPassword) Parse(masterKey []byte) error {
+	defer os.Remove(item.TempYandexPassword)
 	db, err := sql.Open("sqlite3", item.TempYandexPassword)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempYandexPassword)
 	defer db.Close()
 
 	rows, err := db.Query(queryYandexLogin)
@@ -171,6 +171,7 @@ const (
 
 func (f *FirefoxPassword) Parse(masterKey []byte) error {
 	globalSalt, metaBytes, nssA11, nssA102, err := getFirefoxDecryptKey(item.TempFirefoxKey4)
+	_ = os.Remove(item.TempFirefoxKey4)
 	if err != nil {
 		return err
 	}
@@ -238,7 +239,6 @@ func getFirefoxDecryptKey(key4file string) (item1, item2, a11, a102 []byte, err
 	if err != nil {
 		return nil, nil, nil, nil, err
 	}
-	defer os.Remove(key4file)
 	defer keyDB.Close()
 
 	if err = keyDB.QueryRow(queryMetaData).Scan(&item1, &item2); err != nil {
@@ -256,7 +256,7 @@ func getFirefoxLoginData() ([]loginData, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer os.Remove(item.TempFirefoxPassword)
+	_ = os.Remove(item.TempFirefoxPassword)
 	loginsJSON := gjson.GetBytes(s, "logins")
 	var logins []loginData
 	if loginsJSON.Exists() {
diff --git a/browsingdata/sessionstorage/sessionstorage.go b/browsingdata/sessionstorage/sessionstorage.go
index adaa7d2..28d26f9 100644
--- a/browsingdata/sessionstorage/sessionstorage.go
+++ b/browsingdata/sessionstorage/sessionstorage.go
@@ -29,11 +29,11 @@ type session struct {
 const maxLocalStorageValueLength = 1024 * 2
 
 func (c *ChromiumSessionStorage) Parse(_ []byte) error {
+	defer os.RemoveAll(item.TempChromiumSessionStorage)
 	db, err := leveldb.OpenFile(item.TempChromiumSessionStorage, nil)
 	if err != nil {
 		return err
 	}
-	defer os.RemoveAll(item.TempChromiumSessionStorage)
 	defer db.Close()
 
 	iter := db.NewIterator(nil, nil)
@@ -114,11 +114,11 @@ const (
 )
 
 func (f *FirefoxSessionStorage) Parse(_ []byte) error {
+	defer os.Remove(item.TempFirefoxSessionStorage)
 	db, err := sql.Open("sqlite3", item.TempFirefoxSessionStorage)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(item.TempFirefoxSessionStorage)
 	defer db.Close()
 
 	_, err = db.Exec(closeJournalMode)