diff --git a/temporal-testing/src/main/java/io/temporal/testing/TestActivityEnvironmentInternal.java b/temporal-testing/src/main/java/io/temporal/testing/TestActivityEnvironmentInternal.java
index a97841389..1760edf5c 100644
--- a/temporal-testing/src/main/java/io/temporal/testing/TestActivityEnvironmentInternal.java
+++ b/temporal-testing/src/main/java/io/temporal/testing/TestActivityEnvironmentInternal.java
@@ -363,17 +363,13 @@ private Result executeActivity(
                       localActivity));
 
       try {
-        // 10 seconds is just a "reasonable" wait to not make an infinite waiting
-        return activityFuture.get(10, TimeUnit.SECONDS);
+        return activityFuture.get();
       } catch (InterruptedException e) {
         Thread.currentThread().interrupt();
         throw new RuntimeException(e);
       } catch (ExecutionException e) {
         log.error("Exception during processing of activity task");
         throw new RuntimeException(e);
-      } catch (TimeoutException e) {
-        log.error("Timeout trying execute activity task {}", activityTask);
-        throw new RuntimeException(e);
       }
     }