diff --git a/phpstan-baseline.php b/phpstan-baseline.php
index da28aa2fb3d5..7dfbce9094a9 100644
--- a/phpstan-baseline.php
+++ b/phpstan-baseline.php
@@ -6766,11 +6766,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/MessageInterface.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Call to function is_array\\(\\) with array will always evaluate to true\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/Negotiate.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Method CodeIgniter\\\\HTTP\\\\Negotiate\\:\\:charset\\(\\) has parameter \\$supported with no value type specified in iterable type array\\.$#',
 	'count' => 1,
@@ -7376,11 +7371,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Helpers/filesystem_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Call to function is_array\\(\\) with array will always evaluate to true\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/form_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -7571,11 +7561,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Helpers/form_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in &&, array given on the right side\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/form_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in a negated boolean, int\\<0, max\\> given\\.$#',
 	'count' => 1,
diff --git a/system/HTTP/Negotiate.php b/system/HTTP/Negotiate.php
index 9c903908695f..61c3a58f4af7 100644
--- a/system/HTTP/Negotiate.php
+++ b/system/HTTP/Negotiate.php
@@ -274,7 +274,7 @@ public function parseHeader(string $header): array
     protected function match(array $acceptable, string $supported, bool $enforceTypes = false, $matchLocales = false): bool
     {
         $supported = $this->parseHeader($supported);
-        if (is_array($supported) && count($supported) === 1) {
+        if (count($supported) === 1) {
             $supported = $supported[0];
         }
 
diff --git a/system/Helpers/form_helper.php b/system/Helpers/form_helper.php
index 97ac2c2a8c5c..098222e90e9f 100644
--- a/system/Helpers/form_helper.php
+++ b/system/Helpers/form_helper.php
@@ -456,10 +456,8 @@ function form_label(string $labelText = '', string $id = '', array $attributes =
             $label .= ' for="' . $id . '"';
         }
 
-        if (is_array($attributes) && $attributes) {
-            foreach ($attributes as $key => $val) {
-                $label .= ' ' . $key . '="' . $val . '"';
-            }
+        foreach ($attributes as $key => $val) {
+            $label .= ' ' . $key . '="' . $val . '"';
         }
 
         return $label . '>' . $labelText . '</label>';