diff --git a/src/plugin/pop.ts b/src/plugin/pop.ts
index cb5bf1c..9f7f47f 100644
--- a/src/plugin/pop.ts
+++ b/src/plugin/pop.ts
@@ -6,7 +6,7 @@ let pop: any[] = [];
 let time = 0;
 
 export function init() {
-    core.registerAnimationFrame('pop', true, popValue);
+    // Deprecated.
 }
 
 /**