diff --git a/src/components/TreeReactFlow/index.tsx b/src/components/TreeReactFlow/index.tsx
index b861e017..e2921e7c 100644
--- a/src/components/TreeReactFlow/index.tsx
+++ b/src/components/TreeReactFlow/index.tsx
@@ -1253,7 +1253,7 @@ export const ReactFlowSafe = <
         // the tree in order to perform actions on them.
         elementsSelectable: false,
         onNodeClick: (e, n) => {
-          "onNodeClick" in p &&
+          p.onNodeClick &&
             p.onNodeClick(
               e,
               // This cast is safe because `N` is also the type of elements of the `nodes` field.
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 5057c3e2..89286996 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -22,7 +22,6 @@
     "allowUnreachableCode": false,
     "allowUnusedLabels": false,
     "alwaysStrict": true,
-    "exactOptionalPropertyTypes": true,
     "noFallthroughCasesInSwitch": true,
     "noImplicitAny": true,
     "noImplicitOverride": true,