diff --git a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/config/GreenbidsRealTimeDataConfiguration.java b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/config/GreenbidsRealTimeDataConfiguration.java
index daa04bed859..a19c81a76c7 100644
--- a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/config/GreenbidsRealTimeDataConfiguration.java
+++ b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/config/GreenbidsRealTimeDataConfiguration.java
@@ -35,7 +35,7 @@
 public class GreenbidsRealTimeDataConfiguration {
 
     @Bean
-    public DatabaseReader dbReader(GreenbidsRealTimeDataProperties properties) {
+    DatabaseReader dbReader(GreenbidsRealTimeDataProperties properties) {
         final File database = new File(properties.getGeoLiteCountryPath());
         try {
             return new DatabaseReader.Builder(database).build();
@@ -45,7 +45,7 @@ public DatabaseReader dbReader(GreenbidsRealTimeDataProperties properties) {
     }
 
     @Bean
-    public GreenbidsInferenceDataService greenbidsInferenceDataService(DatabaseReader dbReader) {
+    GreenbidsInferenceDataService greenbidsInferenceDataService(DatabaseReader dbReader) {
         return new GreenbidsInferenceDataService(dbReader, ObjectMapperProvider.mapper());
     }
 
@@ -66,18 +66,18 @@ GreenbidsRealTimeDataModule greenbidsRealTimeDataModule(
     }
 
     @Bean
-    public FilterService filterService() {
+    FilterService filterService() {
         return new FilterService();
     }
 
     @Bean
-    public Storage storage(GreenbidsRealTimeDataProperties properties) {
+    Storage storage(GreenbidsRealTimeDataProperties properties) {
         return StorageOptions.newBuilder()
                 .setProjectId(properties.getGoogleCloudGreenbidsProject()).build().getService();
     }
 
     @Bean
-    public ModelCache modelCache(GreenbidsRealTimeDataProperties properties, Vertx vertx, Storage storage) {
+    ModelCache modelCache(GreenbidsRealTimeDataProperties properties, Vertx vertx, Storage storage) {
         final Cache<String, OnnxModelRunner> modelCacheWithExpiration = Caffeine.newBuilder()
                 .expireAfterWrite(properties.getCacheExpirationMinutes(), TimeUnit.MINUTES)
                 .build();
@@ -91,7 +91,7 @@ public ModelCache modelCache(GreenbidsRealTimeDataProperties properties, Vertx v
     }
 
     @Bean
-    public ThresholdCache thresholdCache(
+    ThresholdCache thresholdCache(
             GreenbidsRealTimeDataProperties properties,
             Vertx vertx,
             Storage storage) {
@@ -110,7 +110,7 @@ public ThresholdCache thresholdCache(
     }
 
     @Bean
-    public OnnxModelRunnerWithThresholds onnxModelRunnerWithThresholds(
+    OnnxModelRunnerWithThresholds onnxModelRunnerWithThresholds(
             ModelCache modelCache,
             ThresholdCache thresholdCache) {
 
@@ -118,7 +118,7 @@ public OnnxModelRunnerWithThresholds onnxModelRunnerWithThresholds(
     }
 
     @Bean
-    public GreenbidsInvocationService greenbidsInvocationService() {
+    GreenbidsInvocationService greenbidsInvocationService() {
         return new GreenbidsInvocationService();
     }
 }
diff --git a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/model/predictor/FilterService.java b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/model/predictor/FilterService.java
index 36502b273b7..67a62cd05e6 100644
--- a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/model/predictor/FilterService.java
+++ b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/model/predictor/FilterService.java
@@ -8,6 +8,7 @@
 import org.prebid.server.hooks.modules.greenbids.real.time.data.model.data.ThrottlingMessage;
 import org.springframework.util.CollectionUtils;
 
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -54,33 +55,31 @@ private Map<String, Map<String, Boolean>> processModelResults(
         validateThrottlingMessages(throttlingMessages);
 
         return StreamSupport.stream(results.spliterator(), false)
-                .filter(onnxItem -> {
-                    validateOnnxTensor(onnxItem);
-                    return Objects.equals(onnxItem.getKey(), "probabilities");
-                })
-                .map(onnxItem -> (OnnxTensor) onnxItem.getValue())
-                .map(tensor -> {
-                    validateTensorSize(tensor, throttlingMessages.size());
-                    return extractAndProcessProbabilities(tensor, throttlingMessages, threshold);
-                })
-                .flatMap(map -> map.entrySet().stream())
+                .peek(FilterService::validateOnnxTensor)
+                .filter(onnxItem -> Objects.equals(onnxItem.getKey(), "probabilities"))
+                .map(Map.Entry::getValue)
+                .map(OnnxTensor.class::cast)
+                .peek(tensor -> validateTensorSize(tensor, throttlingMessages.size()))
+                .map(tensor -> extractAndProcessProbabilities(tensor, throttlingMessages, threshold))
+                .map(Map::entrySet)
+                .flatMap(Collection::stream)
                 .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
     }
 
-    private void validateThrottlingMessages(List<ThrottlingMessage> throttlingMessages) {
+    private static void validateThrottlingMessages(List<ThrottlingMessage> throttlingMessages) {
         if (throttlingMessages == null || CollectionUtils.isEmpty(throttlingMessages)) {
             throw new PreBidException("throttlingMessages cannot be null or empty");
         }
     }
 
-    private void validateOnnxTensor(Map.Entry<String, OnnxValue> onnxItem) {
+    private static void validateOnnxTensor(Map.Entry<String, OnnxValue> onnxItem) {
         if (!(onnxItem.getValue() instanceof OnnxTensor)) {
             throw new PreBidException("Expected OnnxTensor for 'probabilities', but found: "
                     + onnxItem.getValue().getClass().getName());
         }
     }
 
-    private void validateTensorSize(OnnxTensor tensor, int expectedSize) {
+    private static void validateTensorSize(OnnxTensor tensor, int expectedSize) {
         final long[] tensorShape = tensor.getInfo().getShape();
         if (tensorShape.length == 0 || tensorShape[0] != expectedSize) {
             throw new PreBidException("Mismatch between tensor size and throttlingMessages size");
diff --git a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/v1/GreenbidsRealTimeDataProcessedAuctionRequestHook.java b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/v1/GreenbidsRealTimeDataProcessedAuctionRequestHook.java
index 7156762b0c3..c6beaddc70c 100644
--- a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/v1/GreenbidsRealTimeDataProcessedAuctionRequestHook.java
+++ b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/v1/GreenbidsRealTimeDataProcessedAuctionRequestHook.java
@@ -44,7 +44,7 @@
 
 public class GreenbidsRealTimeDataProcessedAuctionRequestHook implements ProcessedAuctionRequestHook {
 
-    private static final String CODE = "greenbids-real-time-data-processed-auction-request-hook";
+    private static final String CODE = "greenbids-real-time-data-processed-auction-request";
     private static final String ACTIVITY = "greenbids-filter";
     private static final String SUCCESS_STATUS = "success";
     private static final String BID_REQUEST_ANALYTICS_EXTENSION_NAME = "greenbids-rtd";
@@ -151,7 +151,7 @@ private InvocationResult<AuctionRequestPayload> toInvocationResult(
             AnalyticsResult analyticsResult,
             InvocationAction action) {
 
-        final List<AnalyticsResult> analyticsResults = (analyticsResult != null)
+        final List<AnalyticsResult> analyticsResults = analyticsResult != null
                 ? Collections.singletonList(analyticsResult)
                 : Collections.emptyList();