diff --git a/src/Parsedown.php b/src/Parsedown.php
index 1be2e13..efc3477 100644
--- a/src/Parsedown.php
+++ b/src/Parsedown.php
@@ -1,5 +1,4 @@
 <?php
-declare(strict_types=1);
 
 namespace Erusev\Parsedown;
 
diff --git a/tests/CommonMarkTestStrict.php b/tests/CommonMarkTestStrict.php
index 7184966..b4536b9 100644
--- a/tests/CommonMarkTestStrict.php
+++ b/tests/CommonMarkTestStrict.php
@@ -1,5 +1,4 @@
 <?php
-declare(strict_types=1);
 
 namespace Erusev\Parsedown\Tests;
 
diff --git a/tests/CommonMarkTestWeak.php b/tests/CommonMarkTestWeak.php
index e921754..1d17ac3 100644
--- a/tests/CommonMarkTestWeak.php
+++ b/tests/CommonMarkTestWeak.php
@@ -1,5 +1,4 @@
 <?php
-declare(strict_types=1);
 
 namespace Erusev\Parsedown\Tests;
 
diff --git a/tests/ParsedownTest.php b/tests/ParsedownTest.php
index e51d937..98ae3cf 100755
--- a/tests/ParsedownTest.php
+++ b/tests/ParsedownTest.php
@@ -1,5 +1,4 @@
 <?php
-declare(strict_types=1);
 
 namespace Erusev\Parsedown\Tests;
 
diff --git a/tests/SampleExtensions/TrustDelegatedExtension.php b/tests/SampleExtensions/TrustDelegatedExtension.php
index 04cfee8..a62055e 100644
--- a/tests/SampleExtensions/TrustDelegatedExtension.php
+++ b/tests/SampleExtensions/TrustDelegatedExtension.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Erusev\Parsedown\Tests\SampleExtensions;
 
 use Erusev\Parsedown\Tests\TestParsedown;
diff --git a/tests/SampleExtensions/UnsafeExtension.php b/tests/SampleExtensions/UnsafeExtension.php
index 91c03d1..fc04c33 100644
--- a/tests/SampleExtensions/UnsafeExtension.php
+++ b/tests/SampleExtensions/UnsafeExtension.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Erusev\Parsedown\Tests\SampleExtensions;
 
 use Erusev\Parsedown\Tests\TestParsedown;
diff --git a/tests/TestParsedown.php b/tests/TestParsedown.php
index a6267ed..786077e 100644
--- a/tests/TestParsedown.php
+++ b/tests/TestParsedown.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Erusev\Parsedown\Tests;
 
 use Erusev\Parsedown\Parsedown;