diff --git a/sdk-actors/src/main/java/io/dapr/actors/runtime/AbstractActor.java b/sdk-actors/src/main/java/io/dapr/actors/runtime/AbstractActor.java
index a9662ac86..a5a7ec45f 100644
--- a/sdk-actors/src/main/java/io/dapr/actors/runtime/AbstractActor.java
+++ b/sdk-actors/src/main/java/io/dapr/actors/runtime/AbstractActor.java
@@ -72,7 +72,7 @@ public abstract class AbstractActor {
           runtimeContext.getActorTypeInformation().getName(),
           id);
     this.actorTrace = runtimeContext.getActorTrace();
-    this.timers = Collections.synchronizedMap(new HashMap<>());
+    this.timers = new HashMap<>();
     this.started = false;
   }