This closes #3846
diff --git a/runners/jstorm/src/main/java/org/apache/beam/runners/jstorm/translation/TranslatorRegistry.java b/runners/jstorm/src/main/java/org/apache/beam/runners/jstorm/translation/TranslatorRegistry.java
index c8ea545..f297dc3 100644
--- a/runners/jstorm/src/main/java/org/apache/beam/runners/jstorm/translation/TranslatorRegistry.java
+++ b/runners/jstorm/src/main/java/org/apache/beam/runners/jstorm/translation/TranslatorRegistry.java
@@ -48,10 +48,6 @@
   }
 
   public static TransformTranslator<?> getTranslator(PTransform<?, ?> transform) {
-    TransformTranslator<?> translator = TRANSLATORS.get(transform.getClass());
-    if (translator == null) {
-      LOG.warn("Unsupported operator={}", transform.getClass().getName());
-    }
-    return translator;
+    return TRANSLATORS.get(transform.getClass());
   }
 }