diff --git a/miniflux/model.php b/miniflux/model.php
index a56b590..7fa8e6c 100644
--- a/miniflux/model.php
+++ b/miniflux/model.php
@@ -167,7 +167,7 @@ function set_item_read($id)
 }
 
 
-function flush_unread($id)
+function flush_unread()
 {
     \PicoTools\singleton('db')
         ->table('items')
@@ -176,7 +176,7 @@ function flush_unread($id)
 }
 
 
-function flush_read($id)
+function flush_read()
 {
     \PicoTools\singleton('db')
         ->table('items')
diff --git a/miniflux/vendor/PicoTools/Crypto.php b/miniflux/vendor/PicoTools/Crypto.php
index d873b48..863d39f 100644
--- a/miniflux/vendor/PicoTools/Crypto.php
+++ b/miniflux/vendor/PicoTools/Crypto.php
@@ -43,7 +43,7 @@ function password_verify($password, $hash)
 {
     $ret = crypt($password, $hash);
 
-    if (! is_string($ret) || strlen($ret) != strlen($hash) || strlen($ret) <= 13) {
+    if (! is_string($ret) || strlen($ret) != strlen($hash) || strlen($ret) < 13) {
 
         return false;
     }
@@ -69,7 +69,7 @@ function password_hash($password)
 
     $ret = crypt($password, $hash);
 
-    if (! is_string($ret) || strlen($ret) <= 13) {
+    if (! is_string($ret) || strlen($ret) < 13) {
 
         return false;
     }
@@ -147,4 +147,4 @@ function password_salt($required_salt_len)
     $salt = str_replace('+', '.', base64_encode($buffer));
 
     return substr($salt, 0, $required_salt_len);
-}
\ No newline at end of file
+}