diff --git a/tests/Colors/Cmyk/ChannelTest.php b/tests/Colors/Cmyk/ChannelTest.php
index 3b0c82e2..038aa7f6 100644
--- a/tests/Colors/Cmyk/ChannelTest.php
+++ b/tests/Colors/Cmyk/ChannelTest.php
@@ -29,10 +29,10 @@ class ChannelTest extends TestCase
         $this->assertInstanceOf(Channel::class, $channel);
 
         $this->expectException(ColorException::class);
-        $channel = new Channel();
+        new Channel();
 
         $this->expectException(ColorException::class);
-        $channel = new Channel(normalized: 2);
+        new Channel(normalized: 2);
     }
 
     public function testConstructorFail(): void
diff --git a/tests/Colors/Hsl/ChannelTest.php b/tests/Colors/Hsl/ChannelTest.php
index e86254a0..b88f7985 100644
--- a/tests/Colors/Hsl/ChannelTest.php
+++ b/tests/Colors/Hsl/ChannelTest.php
@@ -29,10 +29,10 @@ class ChannelTest extends TestCase
         $this->assertInstanceOf(Hue::class, $channel);
 
         $this->expectException(ColorException::class);
-        $channel = new Hue();
+        new Hue();
 
         $this->expectException(ColorException::class);
-        $channel = new Hue(normalized: 2);
+        new Hue(normalized: 2);
     }
 
     public function testConstructorFail(): void
diff --git a/tests/Colors/Hsv/ChannelTest.php b/tests/Colors/Hsv/ChannelTest.php
index 68c866cd..bc3bf08d 100644
--- a/tests/Colors/Hsv/ChannelTest.php
+++ b/tests/Colors/Hsv/ChannelTest.php
@@ -30,10 +30,10 @@ class ChannelTest extends TestCase
         $this->assertInstanceOf(Hue::class, $channel);
 
         $this->expectException(ColorException::class);
-        $channel = new Hue();
+        new Hue();
 
         $this->expectException(ColorException::class);
-        $channel = new Hue(normalized: 2);
+        new Hue(normalized: 2);
     }
 
     public function testConstructorFail(): void
diff --git a/tests/Colors/Rgb/ChannelTest.php b/tests/Colors/Rgb/ChannelTest.php
index 7982d2ae..95da26b0 100644
--- a/tests/Colors/Rgb/ChannelTest.php
+++ b/tests/Colors/Rgb/ChannelTest.php
@@ -28,10 +28,10 @@ class ChannelTest extends TestCase
         $this->assertInstanceOf(Channel::class, $channel);
 
         $this->expectException(ColorException::class);
-        $channel = new Channel();
+        new Channel();
 
         $this->expectException(ColorException::class);
-        $channel = new Channel(normalized: 2);
+        new Channel(normalized: 2);
     }
 
     public function testConstructorFail(): void
diff --git a/tests/Drivers/Imagick/ColorProcessorTest.php b/tests/Drivers/Imagick/ColorProcessorTest.php
index 5515b581..2268d15d 100644
--- a/tests/Drivers/Imagick/ColorProcessorTest.php
+++ b/tests/Drivers/Imagick/ColorProcessorTest.php
@@ -22,6 +22,6 @@ class ColorProcessorTest extends TestCase
     public function testNativeToColor(): void
     {
         $processor = new ColorProcessor(new Colorspace());
-        $result = $processor->nativeToColor(new ImagickPixel('rgb(255, 55, 0)'));
+        $processor->nativeToColor(new ImagickPixel('rgb(255, 55, 0)'));
     }
 }