diff --git a/src/Reflection/Annotations/AnnotationMethodReflection.php b/src/Reflection/Annotations/AnnotationMethodReflection.php
index 02d0616b43..4ca52b8cd8 100644
--- a/src/Reflection/Annotations/AnnotationMethodReflection.php
+++ b/src/Reflection/Annotations/AnnotationMethodReflection.php
@@ -113,14 +113,6 @@ public function hasSideEffects(): TrinaryLogic
 			return TrinaryLogic::createYes();
 		}
 
-		foreach ($this->getVariants() as $variant) {
-			foreach ($variant->getParameters() as $parameter) {
-				if ($parameter->passedByReference()->yes()) {
-					return TrinaryLogic::createYes();
-				}
-			}
-		}
-
 		return TrinaryLogic::createMaybe();
 	}
 
diff --git a/src/Reflection/Native/NativeFunctionReflection.php b/src/Reflection/Native/NativeFunctionReflection.php
index b650dc5469..b2481b7411 100644
--- a/src/Reflection/Native/NativeFunctionReflection.php
+++ b/src/Reflection/Native/NativeFunctionReflection.php
@@ -81,13 +81,6 @@ public function hasSideEffects(): TrinaryLogic
 		if ($this->isVoid()) {
 			return TrinaryLogic::createYes();
 		}
-		foreach ($this->variants as $variant) {
-			foreach ($variant->getParameters() as $parameter) {
-				if ($parameter->passedByReference()->yes()) {
-					return TrinaryLogic::createYes();
-				}
-			}
-		}
 
 		return $this->hasSideEffects;
 	}
diff --git a/src/Reflection/Native/NativeMethodReflection.php b/src/Reflection/Native/NativeMethodReflection.php
index 1a6c90dbd3..f61c89c41a 100644
--- a/src/Reflection/Native/NativeMethodReflection.php
+++ b/src/Reflection/Native/NativeMethodReflection.php
@@ -136,13 +136,6 @@ public function hasSideEffects(): TrinaryLogic
 		) {
 			return TrinaryLogic::createYes();
 		}
-		foreach ($this->variants as $variant) {
-			foreach ($variant->getParameters() as $parameter) {
-				if ($parameter->passedByReference()->yes()) {
-					return TrinaryLogic::createYes();
-				}
-			}
-		}
 
 		return $this->hasSideEffects;
 	}
diff --git a/src/Reflection/Php/PhpFunctionFromParserNodeReflection.php b/src/Reflection/Php/PhpFunctionFromParserNodeReflection.php
index 9edb2327c6..3b5f8d770d 100644
--- a/src/Reflection/Php/PhpFunctionFromParserNodeReflection.php
+++ b/src/Reflection/Php/PhpFunctionFromParserNodeReflection.php
@@ -199,13 +199,6 @@ public function hasSideEffects(): TrinaryLogic
 		if ($this->isPure !== null) {
 			return TrinaryLogic::createFromBoolean(!$this->isPure);
 		}
-		foreach ($this->getVariants() as $variant) {
-			foreach ($variant->getParameters() as $parameter) {
-				if ($parameter->passedByReference()->yes()) {
-					return TrinaryLogic::createYes();
-				}
-			}
-		}
 
 		return TrinaryLogic::createMaybe();
 	}
diff --git a/src/Reflection/Php/PhpFunctionReflection.php b/src/Reflection/Php/PhpFunctionReflection.php
index 71a2c16cc9..2627fdd927 100644
--- a/src/Reflection/Php/PhpFunctionReflection.php
+++ b/src/Reflection/Php/PhpFunctionReflection.php
@@ -245,13 +245,6 @@ public function hasSideEffects(): TrinaryLogic
 		if ($this->isPure !== null) {
 			return TrinaryLogic::createFromBoolean(!$this->isPure);
 		}
-		foreach ($this->getVariants() as $variant) {
-			foreach ($variant->getParameters() as $parameter) {
-				if ($parameter->passedByReference()->yes()) {
-					return TrinaryLogic::createYes();
-				}
-			}
-		}
 
 		return TrinaryLogic::createMaybe();
 	}
diff --git a/src/Reflection/Php/PhpMethodReflection.php b/src/Reflection/Php/PhpMethodReflection.php
index e4b265d1e6..62d7b1312a 100644
--- a/src/Reflection/Php/PhpMethodReflection.php
+++ b/src/Reflection/Php/PhpMethodReflection.php
@@ -416,13 +416,6 @@ public function hasSideEffects(): TrinaryLogic
 		if ($this->isPure !== null) {
 			return TrinaryLogic::createFromBoolean(!$this->isPure);
 		}
-		foreach ($this->getVariants() as $variant) {
-			foreach ($variant->getParameters() as $parameter) {
-				if ($parameter->passedByReference()->yes()) {
-					return TrinaryLogic::createYes();
-				}
-			}
-		}
 
 		return TrinaryLogic::createMaybe();
 	}
diff --git a/tests/PHPStan/Analyser/NodeScopeResolverTest.php b/tests/PHPStan/Analyser/NodeScopeResolverTest.php
index 34798c2deb..3ba511001d 100644
--- a/tests/PHPStan/Analyser/NodeScopeResolverTest.php
+++ b/tests/PHPStan/Analyser/NodeScopeResolverTest.php
@@ -1171,7 +1171,6 @@ public function dataFileAsserts(): iterable
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-8635.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-8625.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-8621.php');
-		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-8084.php');
 	}
 
 	/**
diff --git a/tests/PHPStan/Analyser/data/bug-8084.php b/tests/PHPStan/Analyser/data/bug-8084.php
deleted file mode 100644
index 255c38bdde..0000000000
--- a/tests/PHPStan/Analyser/data/bug-8084.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace Bug8084;
-
-use Exception;
-use function array_shift;
-use function PHPStan\Testing\assertType;
-
-class Bug8084
-{
-	/**
-	 * @param array{a: 0, b?: 1} $arr
-	 * @throws Exception
-	 */
-	public function run(array $arr): void
-	{
-		assertType('0', array_shift($arr) ?? throw new Exception());
-		assertType('1|null', array_shift($arr));
-	}
-}
diff --git a/tests/PHPStan/Rules/Variables/NullCoalesceRuleTest.php b/tests/PHPStan/Rules/Variables/NullCoalesceRuleTest.php
index 613770aead..33ca615df9 100644
--- a/tests/PHPStan/Rules/Variables/NullCoalesceRuleTest.php
+++ b/tests/PHPStan/Rules/Variables/NullCoalesceRuleTest.php
@@ -360,12 +360,4 @@ public function testBug7968(): void
 		$this->analyse([__DIR__ . '/data/bug-7968.php'], []);
 	}
 
-	public function testBug8084(): void
-	{
-		$this->treatPhpDocTypesAsCertain = true;
-		$this->strictUnnecessaryNullsafePropertyFetch = true;
-
-		$this->analyse([__DIR__ . '/data/bug-8084.php'], []);
-	}
-
 }
diff --git a/tests/PHPStan/Rules/Variables/data/bug-8084.php b/tests/PHPStan/Rules/Variables/data/bug-8084.php
deleted file mode 100644
index 7bd7e8d435..0000000000
--- a/tests/PHPStan/Rules/Variables/data/bug-8084.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php // lint >= 8.0
-
-namespace Bug8084;
-
-use Exception;
-use function array_shift;
-use function PHPStan\Testing\assertType;
-
-class Bug8084
-{
-	/**
-	 * @param array{a?: 0} $arr
-	 * @throws Exception
-	 */
-	public function run(array $arr): void
-	{
-		assertType('0|null', array_shift($arr) ?? throw new Exception());
-	}
-}