diff --git a/test/PhpParser/CodeTestParser.php b/test/PhpParser/CodeTestParser.php
index bde0a5fde5..9f8ed596f2 100644
--- a/test/PhpParser/CodeTestParser.php
+++ b/test/PhpParser/CodeTestParser.php
@@ -24,7 +24,7 @@ function ($matches) {
         // multiple sections possible with always two forming a pair
         $chunks = array_chunk($parts, $chunksPerTest);
         $tests = [];
-        foreach ($chunks as $i => $chunk) {
+        foreach ($chunks as $chunk) {
             $lastPart = array_pop($chunk);
             list($lastPart, $mode) = $this->extractMode($lastPart);
             $tests[] = [$mode, array_merge($chunk, [$lastPart])];
@@ -61,7 +61,7 @@ private function extractMode(string $expected): array {
             return [$expected, null];
         }
 
-        $expected = (string) substr($expected, $firstNewLine + 1);
+        $expected = substr($expected, $firstNewLine + 1);
         return [$expected, substr($firstLine, 2)];
     }
 }
diff --git a/test/PhpParser/Node/Scalar/DNumberTest.php b/test/PhpParser/Node/Scalar/DNumberTest.php
index 659fc61661..2bd31c3367 100644
--- a/test/PhpParser/Node/Scalar/DNumberTest.php
+++ b/test/PhpParser/Node/Scalar/DNumberTest.php
@@ -15,11 +15,11 @@ public function testRawValue(): void {
         $this->assertInstanceOf(Echo_::class, $echo);
 
         /** @var Echo_ $echo */
-        $lLumber = $echo->exprs[0];
-        $this->assertInstanceOf(Float_::class, $lLumber);
+        $dnumber = $echo->exprs[0];
+        $this->assertInstanceOf(Float_::class, $dnumber);
 
         /** @var Float_ $dnumber */
-        $this->assertSame(1234.56, $lLumber->value);
-        $this->assertSame('1_234.56', $lLumber->getAttribute('rawValue'));
+        $this->assertSame(1234.56, $dnumber->value);
+        $this->assertSame('1_234.56', $dnumber->getAttribute('rawValue'));
     }
 }
diff --git a/test/PhpParser/Node/Scalar/NumberTest.php b/test/PhpParser/Node/Scalar/NumberTest.php
index db63ec2d12..27bfe5abcc 100644
--- a/test/PhpParser/Node/Scalar/NumberTest.php
+++ b/test/PhpParser/Node/Scalar/NumberTest.php
@@ -14,11 +14,11 @@ public function testRawValue(): void {
         $this->assertInstanceOf(Echo_::class, $echo);
 
         /** @var Echo_ $echo */
-        $lLumber = $echo->exprs[0];
-        $this->assertInstanceOf(Int_::class, $lLumber);
+        $lnumber = $echo->exprs[0];
+        $this->assertInstanceOf(Int_::class, $lnumber);
 
         /** @var Int_ $lnumber */
-        $this->assertSame(1234, $lLumber->value);
-        $this->assertSame('1_234', $lLumber->getAttribute('rawValue'));
+        $this->assertSame(1234, $lnumber->value);
+        $this->assertSame('1_234', $lnumber->getAttribute('rawValue'));
     }
 }