diff --git a/tests/Twig/Functions/IconExtensionTest.php b/tests/Twig/Functions/IconExtensionTest.php
index 9e571d6..c0385f9 100644
--- a/tests/Twig/Functions/IconExtensionTest.php
+++ b/tests/Twig/Functions/IconExtensionTest.php
@@ -47,24 +47,6 @@ class IconExtensionTest extends TestCase
         $this->assertInstanceOf(IconExtension::class, $this->icon);
     }
 
-    public function testThrowsIfDirectoriesIsEmpty(): void
-    {
-        $this->expectException(\InvalidArgumentException::class);
-        new IconExtension([], self::PALLETES);
-    }
-
-    public function testThrowsIfDirectoriesContainsNonString(): void
-    {
-        $this->expectException(\TypeError::class);
-        new IconExtension([99], self::PALLETES);
-    }
-
-    public function testThrowsIfDirectoriesContainsNonStringAmongStrings(): void
-    {
-        $this->expectException(\TypeError::class);
-        new IconExtension(['string', 99, 'string'], self::PALLETES);
-    }
-
     public function testThrowsWhenPassedAnInvalidIconName(): void
     {
         $this->expectException(IconNotFound::class);