diff --git a/theodolite-benchmarks/uc2-beam/src/main/java/rocks/theodolite/benchmarks/uc2/beam/Uc2ConfigurationKeys.java b/theodolite-benchmarks/uc2-beam/src/main/java/rocks/theodolite/benchmarks/uc2/beam/Uc2ConfigurationKeys.java
index c55c7f21522fefb0dbb38e011a0f935c762f20c8..f466f31aa5a0f1c36b6a0a1fac90d3e739bf2c9d 100644
--- a/theodolite-benchmarks/uc2-beam/src/main/java/rocks/theodolite/benchmarks/uc2/beam/Uc2ConfigurationKeys.java
+++ b/theodolite-benchmarks/uc2-beam/src/main/java/rocks/theodolite/benchmarks/uc2/beam/Uc2ConfigurationKeys.java
@@ -5,11 +5,10 @@ package rocks.theodolite.benchmarks.uc2.beam;
  */
 public final class Uc2ConfigurationKeys {
 
-	public static final String KAFKA_OUTPUT_TOPIC = "kafka.output.topic";
+  public static final String KAFKA_OUTPUT_TOPIC = "kafka.output.topic";
 
-	public static final String DOWNSAMPLE_INTERVAL_MINUTES = "downsample.interval.minutes";
+  public static final String DOWNSAMPLE_INTERVAL_MINUTES = "downsample.interval.minutes";
 
-	private Uc2ConfigurationKeys() {
-	}
+  private Uc2ConfigurationKeys() {}
 
 }
diff --git a/theodolite-benchmarks/uc4-kstreams/src/main/java/rocks/theodolite/benchmarks/uc4/kstreams/Uc4ConfigurationKeys.java b/theodolite-benchmarks/uc4-kstreams/src/main/java/rocks/theodolite/benchmarks/uc4/kstreams/Uc4ConfigurationKeys.java
index 58eb80aedc842f2634362795e5dfba5ac4a43fa7..dc5a62bfccd63df6a58a53123528775a65358cc5 100644
--- a/theodolite-benchmarks/uc4-kstreams/src/main/java/rocks/theodolite/benchmarks/uc4/kstreams/Uc4ConfigurationKeys.java
+++ b/theodolite-benchmarks/uc4-kstreams/src/main/java/rocks/theodolite/benchmarks/uc4/kstreams/Uc4ConfigurationKeys.java
@@ -5,17 +5,16 @@ package rocks.theodolite.benchmarks.uc4.kstreams;
  */
 public final class Uc4ConfigurationKeys {
 
-	public static final String KAFKA_FEEDBACK_TOPIC = "kafka.feedback.topic";
+  public static final String KAFKA_FEEDBACK_TOPIC = "kafka.feedback.topic";
 
-	public static final String KAFKA_OUTPUT_TOPIC = "kafka.output.topic";
+  public static final String KAFKA_OUTPUT_TOPIC = "kafka.output.topic";
 
-	public static final String KAFKA_CONFIGURATION_TOPIC = "kafka.configuration.topic";
+  public static final String KAFKA_CONFIGURATION_TOPIC = "kafka.configuration.topic";
 
-	public static final String EMIT_PERIOD_MS = "emit.period.ms";
+  public static final String EMIT_PERIOD_MS = "emit.period.ms";
 
-	public static final String GRACE_PERIOD_MS = "grace.period.ms";
+  public static final String GRACE_PERIOD_MS = "grace.period.ms";
 
-	private Uc4ConfigurationKeys() {
-	}
+  private Uc4ConfigurationKeys() {}
 
 }