diff --git a/rules-tests/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector/Fixture/skip_by_ref_assign_on_trait.php.inc b/rules-tests/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector/Fixture/skip_by_ref_assign_on_trait.php.inc
new file mode 100644
index 0000000000..a807eae706
--- /dev/null
+++ b/rules-tests/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector/Fixture/skip_by_ref_assign_on_trait.php.inc
@@ -0,0 +1,17 @@
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\Property\TypedPropertyFromStrictConstructorRector\Fixture;
+
+use Rector\Tests\TypeDeclaration\Rector\Property\TypedPropertyFromStrictConstructorRector\Source\ByRefTrait;
+
+final class SkipByRefAssignOnTrait
+{
+    use ByRefTrait;
+
+    private $str;
+
+    public function __construct(string $str)
+    {
+        $this->str = $str;
+    }
+}
diff --git a/rules-tests/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector/Source/ByRefTrait.php b/rules-tests/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector/Source/ByRefTrait.php
new file mode 100644
index 0000000000..499a86ddef
--- /dev/null
+++ b/rules-tests/TypeDeclaration/Rector/Property/TypedPropertyFromStrictConstructorRector/Source/ByRefTrait.php
@@ -0,0 +1,13 @@
+<?php
+declare(strict_types=1);
+
+namespace Rector\Tests\TypeDeclaration\Rector\Property\TypedPropertyFromStrictConstructorRector\Source;
+
+trait ByRefTrait
+{
+    public function run()
+    {
+        $str = &$this->str;
+        $str = null;
+    }
+}
diff --git a/src/NodeAnalyzer/PropertyFetchAnalyzer.php b/src/NodeAnalyzer/PropertyFetchAnalyzer.php
index caa16cf405..771bf507ab 100644
--- a/src/NodeAnalyzer/PropertyFetchAnalyzer.php
+++ b/src/NodeAnalyzer/PropertyFetchAnalyzer.php
@@ -21,7 +21,6 @@
 use PHPStan\Reflection\ClassReflection;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\ThisType;
-use Rector\DeadCode\NodeAnalyzer\PropertyWriteonlyAnalyzer;
 use Rector\Enum\ObjectReference;
 use Rector\NodeNameResolver\NodeNameResolver;
 use Rector\NodeNestingScope\ContextAnalyzer;
@@ -44,8 +43,7 @@ public function __construct(
         private AstResolver $astResolver,
         private NodeTypeResolver $nodeTypeResolver,
         private ReflectionResolver $reflectionResolver,
-        private ContextAnalyzer $contextAnalyzer,
-        private PropertyWriteonlyAnalyzer $propertyWriteonlyAnalyzer
+        private ContextAnalyzer $contextAnalyzer
     ) {
     }
 
@@ -128,7 +126,7 @@ function (Node $node) use ($propertyName): bool {
                     return true;
                 }
 
-                return $this->propertyWriteonlyAnalyzer->arePropertyFetchesExclusivelyBeingAssignedTo([$node]);
+                return $this->contextAnalyzer->isLeftPartOfAssign($node);
             }
         );
     }
diff --git a/src/NodeManipulator/AssignManipulator.php b/src/NodeManipulator/AssignManipulator.php
index a71313d59f..7240eb46b5 100644
--- a/src/NodeManipulator/AssignManipulator.php
+++ b/src/NodeManipulator/AssignManipulator.php
@@ -14,7 +14,7 @@
 use PhpParser\Node\FunctionLike;
 use Rector\NodeAnalyzer\PropertyFetchAnalyzer;
 use Rector\NodeNameResolver\NodeNameResolver;
-use Rector\NodeTypeResolver\Node\AttributeKey;
+use Rector\NodeNestingScope\ContextAnalyzer;
 use Rector\Php72\ValueObject\ListAndEach;
 use Rector\PhpParser\Node\BetterNodeFinder;
 
@@ -23,7 +23,8 @@
     public function __construct(
         private NodeNameResolver $nodeNameResolver,
         private BetterNodeFinder $betterNodeFinder,
-        private PropertyFetchAnalyzer $propertyFetchAnalyzer
+        private PropertyFetchAnalyzer $propertyFetchAnalyzer,
+        private ContextAnalyzer $contextAnalyzer
     ) {
     }
 
@@ -61,19 +62,6 @@ public function matchListAndEach(Assign $assign): ?ListAndEach
         return new ListAndEach($assign->var, $bareExpr);
     }
 
-    public function isLeftPartOfAssign(Node $node): bool
-    {
-        if ($node->getAttribute(AttributeKey::IS_BEING_ASSIGNED) === true) {
-            return true;
-        }
-
-        if ($node->getAttribute(AttributeKey::IS_ASSIGN_REF_EXPR) === true) {
-            return true;
-        }
-
-        return $node->getAttribute(AttributeKey::IS_ASSIGN_OP_VAR) === true;
-    }
-
     /**
      * @api doctrine
      * @return array<PropertyFetch|StaticPropertyFetch>
@@ -85,7 +73,7 @@ public function resolveAssignsToLocalPropertyFetches(FunctionLike $functionLike)
                 return false;
             }
 
-            return $this->isLeftPartOfAssign($node);
+            return $this->contextAnalyzer->isLeftPartOfAssign($node);
         });
     }
 }
diff --git a/src/NodeManipulator/PropertyManipulator.php b/src/NodeManipulator/PropertyManipulator.php
index 5d640aa53e..597c5de703 100644
--- a/src/NodeManipulator/PropertyManipulator.php
+++ b/src/NodeManipulator/PropertyManipulator.php
@@ -50,7 +50,6 @@
     ];
 
     public function __construct(
-        private AssignManipulator $assignManipulator,
         private BetterNodeFinder $betterNodeFinder,
         private PhpDocInfoFactory $phpDocInfoFactory,
         private PropertyFetchFinder $propertyFetchFinder,
@@ -91,7 +90,7 @@ public function isPropertyChangeableExceptConstructor(
                 continue;
             }
 
-            if ($this->assignManipulator->isLeftPartOfAssign($propertyFetch)) {
+            if ($this->contextAnalyzer->isLeftPartOfAssign($propertyFetch)) {
                 return true;
             }
 
diff --git a/src/NodeNestingScope/ContextAnalyzer.php b/src/NodeNestingScope/ContextAnalyzer.php
index 8c0ea27893..bbc3887135 100644
--- a/src/NodeNestingScope/ContextAnalyzer.php
+++ b/src/NodeNestingScope/ContextAnalyzer.php
@@ -45,4 +45,17 @@ public function isChangeableContext(
 
         return $propertyFetch->getAttribute(AttributeKey::IS_INCREMENT_OR_DECREMENT, false) === true;
     }
+
+    public function isLeftPartOfAssign(Node $node): bool
+    {
+        if ($node->getAttribute(AttributeKey::IS_BEING_ASSIGNED) === true) {
+            return true;
+        }
+
+        if ($node->getAttribute(AttributeKey::IS_ASSIGN_REF_EXPR) === true) {
+            return true;
+        }
+
+        return $node->getAttribute(AttributeKey::IS_ASSIGN_OP_VAR) === true;
+    }
 }