diff --git a/src/Analyser/MutatingScope.php b/src/Analyser/MutatingScope.php
index 59626e60ab..eab0c85e88 100644
--- a/src/Analyser/MutatingScope.php
+++ b/src/Analyser/MutatingScope.php
@@ -1010,11 +1010,6 @@ public function getScopeNativeType(Expr $expr): Type
 
 	public function getNodeKey(Expr $node): string
 	{
-		// perf optimize for the most common path
-		if ($node instanceof Variable && !$node->name instanceof Expr) {
-			return '$' . $node->name;
-		}
-
 		return ScopeOps::nodeKey($node, $this->exprPrinter);
 	}