diff --git a/src/services/services.ts b/src/services/services.ts
index 6caa843553fae..82a8106d1e8e7 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -373,6 +373,7 @@ class NodeObject<TKind extends SyntaxKind> implements Node {
         this.parent = undefined!;
         this.original = undefined;
         this.emitNode = undefined;
+        this._children = undefined;
     }
 
     private assertHasRealPosition(message?: string) {