diff --git a/libraries/classes/Linter.php b/libraries/classes/Linter.php
index ce39d162e0..71bdf00142 100644
--- a/libraries/classes/Linter.php
+++ b/libraries/classes/Linter.php
@@ -13,11 +13,9 @@ use PhpMyAdmin\SqlParser\UtfString;
 use PhpMyAdmin\SqlParser\Utils\Error as ParserError;
 
 use function __;
-use function defined;
 use function htmlspecialchars;
 use function mb_strlen;
 use function sprintf;
-use function strlen;
 
 /**
  * The linter itself.
@@ -33,7 +31,7 @@ class Linter
      */
     public static function getLines(string|UtfString $str): array
     {
-        if ((! ($str instanceof UtfString)) && defined('USE_UTF_STRINGS') && USE_UTF_STRINGS) {
+        if ((! ($str instanceof UtfString))) {
             // If the lexer uses UtfString for processing then the position will
             // represent the position of the character and not the position of
             // the byte.
@@ -52,7 +50,7 @@ class Linter
         // first byte of the third character. The fourth and the last one
         // (which is actually a new line) aren't going to be processed at
         // all.
-        $len = $str instanceof UtfString ? $str->length() : strlen($str);
+        $len = $str->length();
 
         $lines = [0];
         for ($i = 0; $i < $len; ++$i) {
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 20463b678b..899010672f 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -7361,9 +7361,6 @@
     <PossiblyNullOperand>
       <code>$error[3]</code>
     </PossiblyNullOperand>
-    <UndefinedConstant>
-      <code>USE_UTF_STRINGS</code>
-    </UndefinedConstant>
   </file>
   <file src="libraries/classes/ListDatabase.php">
     <InvalidArrayOffset>