1 files changed, 5 insertions, 5 deletions
diff --git a/runtime/js/11_timers.js b/runtime/js/11_timers.js
index eef1d39b2..cfd9ad72d 100644
--- a/runtime/js/11_timers.js
+++ b/runtime/js/11_timers.js
@@ -6,23 +6,23 @@
   const core = window.Deno.core;
 
   function opStopGlobalTimer() {
-    core.jsonOpSync("op_global_timer_stop");
+    core.opSync("op_global_timer_stop");
   }
 
   function opStartGlobalTimer(timeout) {
-    return core.jsonOpSync("op_global_timer_start", timeout);
+    return core.opSync("op_global_timer_start", timeout);
   }
 
   async function opWaitGlobalTimer() {
-    await core.jsonOpAsync("op_global_timer");
+    await core.opAsync("op_global_timer");
   }
 
   function opNow() {
-    return core.jsonOpSync("op_now");
+    return core.opSync("op_now");
   }
 
   function sleepSync(millis = 0) {
-    return core.jsonOpSync("op_sleep_sync", millis);
+    return core.opSync("op_sleep_sync", millis);
   }
 
   // Derived from https://github.com/vadimg/js_bintrees. MIT Licensed.