diff --git a/theodolite-benchmarks/uc2-flink/src/main/java/rocks/theodolite/benchmarks/uc2/flink/HistoryServiceFlinkJob.java b/theodolite-benchmarks/uc2-flink/src/main/java/rocks/theodolite/benchmarks/uc2/flink/HistoryServiceFlinkJob.java
index 3ef6ddbd56632d4e034604ff01aa3f8118233338..e44eeaea9e4d9d6d5ce6408ae337ab15f93baa10 100644
--- a/theodolite-benchmarks/uc2-flink/src/main/java/rocks/theodolite/benchmarks/uc2/flink/HistoryServiceFlinkJob.java
+++ b/theodolite-benchmarks/uc2-flink/src/main/java/rocks/theodolite/benchmarks/uc2/flink/HistoryServiceFlinkJob.java
@@ -64,7 +64,7 @@ public final class HistoryServiceFlinkJob extends AbstractFlinkService {
         .map(t -> {
           final String key = t.f0;
           final String value = t.f1.toString();
-          LOGGER.info("{}: {}", key, value); // TODO align implementations
+          // LOGGER.info("{}: {}", key, value);
           return new Tuple2<>(key, value);
         }).name("map").returns(Types.TUPLE(Types.STRING, Types.STRING))
         .addSink(kafkaSink).name("[Kafka Producer] Topic: " + outputTopic);
diff --git a/theodolite-benchmarks/uc2-hazelcastjet/src/main/java/rocks/theodolite/benchmarks/uc2/hazelcastjet/Uc2PipelineFactory.java b/theodolite-benchmarks/uc2-hazelcastjet/src/main/java/rocks/theodolite/benchmarks/uc2/hazelcastjet/Uc2PipelineFactory.java
index 209234d4bd0d3081f8d4f9f92f9db848ccc46e4f..83a1a51972b74702800595857a138ad64e98977b 100644
--- a/theodolite-benchmarks/uc2-hazelcastjet/src/main/java/rocks/theodolite/benchmarks/uc2/hazelcastjet/Uc2PipelineFactory.java
+++ b/theodolite-benchmarks/uc2-hazelcastjet/src/main/java/rocks/theodolite/benchmarks/uc2/hazelcastjet/Uc2PipelineFactory.java
@@ -3,7 +3,6 @@ package rocks.theodolite.benchmarks.uc2.hazelcastjet;
 import com.hazelcast.jet.kafka.KafkaSinks;
 import com.hazelcast.jet.kafka.KafkaSources;
 import com.hazelcast.jet.pipeline.Pipeline;
-import com.hazelcast.jet.pipeline.Sinks;
 import com.hazelcast.jet.pipeline.StreamSource;
 import com.hazelcast.jet.pipeline.StreamStage;
 import com.hazelcast.jet.pipeline.WindowDefinition;
@@ -62,7 +61,7 @@ public class Uc2PipelineFactory extends PipelineFactory {
         this.extendUc2Topology(kafkaSource);
 
     // Add Sink1: Logger
-    uc2TopologyProduct.writeTo(Sinks.logger()); // TODO align implementations
+    // uc2TopologyProduct.writeTo(Sinks.logger());
     // Add Sink2: Write back to kafka for the final benchmark
     uc2TopologyProduct.writeTo(KafkaSinks.<String, String>kafka(
         this.kafkaWritePropsForPipeline, this.kafkaOutputTopic));
diff --git a/theodolite-benchmarks/uc2-kstreams/src/main/java/rocks/theodolite/benchmarks/uc2/kstreams/TopologyBuilder.java b/theodolite-benchmarks/uc2-kstreams/src/main/java/rocks/theodolite/benchmarks/uc2/kstreams/TopologyBuilder.java
index cd1d8cd92149d368a27452fa7689f5549a9c2bc7..d21aee7c035d1b30785b274dfa81fb2b322e63c1 100644
--- a/theodolite-benchmarks/uc2-kstreams/src/main/java/rocks/theodolite/benchmarks/uc2/kstreams/TopologyBuilder.java
+++ b/theodolite-benchmarks/uc2-kstreams/src/main/java/rocks/theodolite/benchmarks/uc2/kstreams/TopologyBuilder.java
@@ -54,10 +54,6 @@ public class TopologyBuilder {
                 this.srAvroSerdeFactory.<ActivePowerRecord>forValues()))
         .groupByKey()
         .windowedBy(TimeWindows.ofSizeWithNoGrace(this.duration))
-        // .aggregate(
-        // () -> 0.0,
-        // (key, activePowerRecord, agg) -> agg + activePowerRecord.getValueInW(),
-        // Materialized.with(Serdes.String(), Serdes.Double()))
         .aggregate(
             () -> Stats.of(),
             (k, record, stats) -> StatsFactory.accumulate(stats, record.getValueInW()),
@@ -66,7 +62,7 @@ public class TopologyBuilder {
                 GenericSerde.from(Stats::toByteArray, Stats::fromByteArray)))
         .toStream()
         .map((k, s) -> KeyValue.pair(k.key(), s.toString()))
-        .peek((k, v) -> LOGGER.info(k + ": " + v))
+        // .peek((k, v) -> LOGGER.info(k + ": " + v))
         .to(this.outputTopic, Produced.with(Serdes.String(), Serdes.String()));
 
     return this.builder.build(properties);